2024 Camel hump heads

Made from premium grade, lightweight A356-T61 aluminum, DHC™ 175 heads feature the exterior styling and straight spark plug holes that deliver the nostalgic appearance of the …. Navy federal credit union gulfport ms

Camel Hump Heads Long ago, and I mean long ago, I knew all this stuff by memory. I believe the first camel hump head was on the 250HP or 275HP 327. Those heads had the 1.94 intakes. The 2.02's must have been on the 350HP or 365HP, and of course the Fuelies. I used to read Popular Hot Rod religiously and they had a project …May 18, 2009 · 3991492. Jump to Latest Follow. 30K views 10 replies 7 participants last post by 2drpostL79 Aug 23, 2009. G. gregmontgomery Discussion starter. 203 posts · Joined 1999. #1 · May 18, 2009. can anyone give any info. on these heads .3991492 is the numbers are these good performance heads.thanks. Like. Double hump heads have the humps or "bumps" cast into the end of the heads. The early ones had two large humps connected together. They resembled the back of a double hump camel, hence the nickname. The later double hump heads (69-70) had two small humps that were not connected.Are you saying that the performance of my engine will not be as good by using 202/160 camel heads on the 283 bored 80 over. Im just looking to get about 300-350hp, that will be good enough for me. 84 Z28 Camaro Convertible 283 bored 80 over, 202/160camel hump heads, Edelbrock RPM Maniford, Holley 670 Avenger Carb, …Camel Hump heads (3817291(C 20 8(Mar 20, 1968)) – 3917291(C 21 8(Mar 21, 1968) evens) Thank you for your time! Best regards, David. Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. D. dyno jonn.Featuring the famous double hump marking on the ends of the heads, the #3782461 and #3782461X heads used 1.94/1.50 inch valves. ... •The bowl area is wide around the valve guide – much wider than the old GM cast iron ‘camel-hump’ heads. •The intake and exhaust valves and valve seats have a three-angle grind from the factory.There is a company out there that makes aluminum heads with the old double hump casting on the ends. Might be worth looking into. 1969 x-77 Z/28 orange/ white stripes, named by my daughter "Clementine ", M-22 close ratio, 4:10 12 bolt, CE 302. Hugger orange with white stripes.Hello, I have the following: 462 camel hump heads. 355 C.I. small block chevy. flat top pistons, 10:1 compresion ratio. camshaft: 106 degree LSA, 250 degree duration at .050". 165-180 cranking PSI in all cylinders. Quadrajet, stock intake, exhaust and heads, no porting (it is on a circle track street stock and those are the rules).The double hump heads were factory installed on all High Performance Fuel Injected and carbureted Chevrolet vehicles including Corvette, Camaro RS SS & Z-28, Chevelle Malibu, Chevy II Nova, Bel Air, & Impala. These heads will also interchange with other camel hump heads with casting numbers 461, 461X, 462, 291, 292, 186, 041, & 492.If you find a set that are ready to go and need no work, they are a good head. With port work, 2.02/5 & 1.60 pro flow valves they can be a great head. Now if you do this and the cost of all the machine work and parts. A STK Vortec head for under 600.00 a pair will greatly out perform these heads.041s ARE double-humps. Some of the casting numbers you see the most are 461 (no bolt holes), 462, 492, 186, 041, 041X, 291 (no bolt holes), 292 (over-the-counter GM race head) Those used to be the heads we all ran, for years and years, back before CNC casting made possible the whole aftermarket head industry as we know it.CorvetteForum - Chevrolet Corvette Forum Discussion. C3 Corvettes, 1968 - 1982. C3 Tech/Performance. 491 Camel Hump heads. C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech …Looking to upgrade my cast iron 462 camel hump heads for aluminium 461 with 2.02 & 1.60 valves will buy bare heads so I can setup valves and springs myself. Has anyone used and or had problems with the aluminium Speedway or Trick Flow camel hump heads. To go on my factory 327 275 hp sbc in my 1967 Camaro. Cheers. Like. Sort by …Chevrolet Small Block Camel Hump Heads (Small Camel Humps) In this video we get a tad bit confused over the Casting Numbers Watch me struggle to figure this ...For port matching your intake and heads, you can find your ideal intake manifold gasket to use as a template. Holley Performance/Mr Gasket offers this port gauge I use with 28 popular port sizes for small- and big-block Chevy heads. The hard plastic material makes scribing your heads easier. The Tools Basic head-porting tools will not break the ...A cracked engine head is such a serious mechanical problem that it can severely impact a car's ability to perform properly or even to run at all. In fact, it can cause you headache...Because camel humps store food, the dromedaries need other ways to cope with water scarcity. For example, camels can can drink up to 30 gallons (114 liters) of water in one sitting, they excrete ...3731 posts · Joined 2005. #12 · Aug 7, 2007. My Son's 327 ended up at 10.1-1 with flattop 2valve relief pistons in a zero decked block and 61cc 462 cammel hump heads ported to 170cc's, with an extrme energy solid lifter 268 cam, rpm airgap, 650DP, and 1 5/8 headers it pulls really strong (for being only 331CI) to 6500.Just remeber that Vortec L31 heads have 64cc chambers which actually measure slightly smaller, because of this the L31 engines use a -13cc dish piston. The Vortec L31 heads are the highest flowing GEN 1/1E head ever installed in a production vehicle. This is well known and without debate. Cliffs: Vortec 350 heads.A big block Chevy (BBC) or small block Chevy (SBC) head is readily recognized by most, as are MOPAR Hemi heads, small block Ford (SBF) heads, and …Old camel hump 461 heads wich cam? My old 327 died on my last week but I have bought a 350 now, its a standard 3970010 block from 72 with original heads, I'm thinking of taking my 461 heads from the 327 and put them on, but wich cam to choose? You'll need to talk with a rep from either COMP CAMS or Lunati to find the best cam for your combination.Step back in time with Speedway Motors’ modern reproduction of the iconic Chevy 461 double-hump cylinder heads, now cast in lightweight aluminum. Also known as “fuelie” heads, the 3782461 castings were used on many legendary Chevrolets from 1961-1967. Their all-new cylinder head casting is a modern take with all the old-school looks you ...As most kids are already back in school, my daughter is enjoying a couple weeks more of summer bliss before she heads to Pre-K with her friends. I know it... Edit Your Post Publish...Using the cam specs (specifically the intake valve closing angle) and your engine’s static compression ratio, you can determine Dynamic Compression Ratio (DCR). However, if a high static compression number, such as 10.5:1, is required to get a decent DCR number (like 7.8:1), you will more than likely end up with pre-ignition at RPMs above ...Fully ported and assembled Chevy Camel hump 461 heads. Sbc Chevy heads. Nova, Chevelle, Corvette, Camaro. Old school Iron, Muscle car cylinder heads. Bad to ... ARP 250-4202 Ford Diesel Head Stud Kit. $526.59. Trending at $549.00. Find many great new & used options and get the best deals for Camel+Double+Hump+Heads+Cylinder+GM+Casting+3917291 at the best online prices at eBay! Free shipping for many products! item 7 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie $895.00 +$88.85 shippingNov 3, 2016 · Sorry 462 camel hump casting hoarders, Trick Flow is bringing back an aluminum version of the classic camel or double hump heads for the Chevrolet small block. If you are not familiar with the ... Jul 11, 2006 · the 462 and pretty much all the following camel hump heads had the D shaped chamber, and the spark plug location was moved with a large quench pad adjacent to it....these are the heads to use if you are going to run domed pistons, the 461's usually have some interference with domes and spark plugs. 461 View attachment 204412 462 View attachment ... Mar 9, 2003 · Camel Hump Heads Long ago, and I mean long ago, I knew all this stuff by memory. I believe the first camel hump head was on the 250HP or 275HP 327. Those heads had the 1.94 intakes. The 2.02's must have been on the 350HP or 365HP, and of course the Fuelies. I used to read Popular Hot Rod religiously and they had a project called Project X, a ... How Fuelie Cylinder Heads Launched SBC Performance. By Mike Magda August 12, 2017. News that Trick Flow will re-engineer the classic small-block Chevy “double-hump” or “camel-back” cylinder heads in cast aluminum is reviving interest in the original Gen I platform, and is stirring up memories of great engines that were built with those ...the 462 and pretty much all the following camel hump heads had the D shaped chamber, and the spark plug location was moved with a large quench pad adjacent to it....these are the heads to use if you are going to run domed pistons, the 461's usually have some interference with domes and spark plugs. 461 View attachment 204412 462 View attachment ...According to my information, 461X was the best of all the camel hump heads but are very rare. Next comes the 492 castings, next the 461, then 186, then 041s which are not camel humps but have the same design. ... As already mentioned, it is generally considered that the better choice of the EARLIER double hump heads are the 61-63 …SMALL BLOCK CHEVY Camel Hump Heads 1965-1967 Part #3782461 Pair. Opens in a new window or tab. Pre-Owned. $1,200.00. penzgemz (24) 100%. Buy It Now. Free local pickup.Google expert Philipp Lenssen details how to manipulate Google Maps URLs to zoom in close enough to see an individual camel in the middle of Africa. The technique doesn't work in a...0. 2.125/1.625. Gen III LS1 "GTZ" aluminum 38cc angle plug. 12480011. SB2.2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. 12480034. 2.02/1.60. Bowtie Phase III 64cc Angle plug 184 cc intake runner. 12506450.There's going to be a storm of deals and the market will not be able to handle it without taking the whole table lower....PVH Could jeans destroy the stock market's uptrend? Co...A controversial display of “shrunken heads,” or tsantsa, made by the Shuar and Achuar people of Ecuador and South America have been removed from Oxford’s Pitt Rivers Museum. After ...202 camel hump heads. I was really leaning toward a set of aluminum heads, but my cousin called and said he had a set of 202 camel hump heads off his 327. He has roller rockers to go with them. The 327 is dead and now he has a LT-1 which he is putting into his 67 camaro. I currently have a mainly stock 350 with 882 76cc heads (i …We offer Chevy 350 heads from Speedway Motors, Flo-Tek, Dart, World Products, Edelbrock, Brodix, Blueprint Engines and Chevrolet Performance. Even our most budget friendly heads will obliterate the factory stock camel hump heads of the 60’s. Our Flo-Tek aluminum heads (part #7222000) are just a touch over 400 bucks each and are made from ...I have acquired a freshly rebuilt set of 291 double hump heads with what seems like 2.02 intake valves, and a 400ci 511 block that is allegedly 0.040 over already. All for $0.00 mind you. I'm currently building a 305/nv3500 powered 1984 Ford Ranger, just a weekend toy, probably never going to see the strip but once or twice when i get a wild hair.Made from premium grade, lightweight A356-T61 aluminum, DHC™ 175 heads feature the exterior styling and straight spark plug holes that deliver the nostalgic appearance of the …Offered in 69-71, on high performance 350's, and as a service replacement for the 64cc heads. Basically the same as the 186/041, and supposedly still available at your local chevy dealer, under different p/n's. Later castings offered 1.44" diameter spring seats, and thicker spring seats.148 posts · Joined 2009. #1 · Jan 12, 2010. I recently called a reputable machine shop in my area about having my sbc camel hump heads upgraded for unleaded fuel and to install 2.02 valves. I asked about installing hardened seats at the exhaust valve and he said not to waste my money. This isn't a daily driver, in fact I haven't put 1000 ...Rebuilding my old and tired 327 Camel Hump Heads from 1967. Cleaned, lapped and refreshed with new seals and retainers.#1967impala #chevroletimpala #chevyim...Re: camel hump vs vortec. by ProPower engines » Tue Oct 13, 2020 7:50 pm. No comparison. The vortec heads are better in every way unless you have free double bump heads and have to pay for the vortec's. If you flow the early GM heads and flow the vortec heads and compare the numbers. The big difference is in the chamber shape.Dec 8, 2005 · 041s ARE double-humps. Some of the casting numbers you see the most are 461 (no bolt holes), 462, 492, 186, 041, 041X, 291 (no bolt holes), 292 (over-the-counter GM race head) Those used to be the heads we all ran, for years and years, back before CNC casting made possible the whole aftermarket head industry as we know it. SMALL BLOCK CHEVY Camel Hump Heads 1965-1967 Part #3782461 Pair. Opens in a new window or tab. Pre-Owned. $1,200.00. penzgemz (24) 100%. Buy It Now. Free local pickup. How to identify camel hump (aka double hump) small block chevy heads. Ryan Krizan. 224 subscribers. 161K views 15 years ago. ...more. This video shows you how to identify camel hump...Made from premium grade, lightweight A356-T61 aluminum, DHC 175 heads feature the exterior styling and straight spark plug holes that deliver the nostalgic appearance of the original factory performance 186, 291, 461, 462 "double hump" or "camel back" castings that customers want. 60cc CNC-profiled combustion chambers combined with a state of ...Re: 350 block 461 camel hump heads 11-25-04 06:02 AM - Post# 560210 In response to raws67 Hi..those heads are probably closer to 64 cc. This where it gets sticky..I was doing the same thing. I ended up with over a grand into a set of 186 heads. If you have the heads surfaced,new seats,new valves and springs and keepers, you will be over 350 …I started a build of a SJ 327 block with an older aftermarket 3.48” SJ crank. I was going to run it in my 57 with ported aluminum speedway motors camel hump heads, modified to take a staggered valve cover, and a heavily worked factory intake. I was hoping to squeak into the 12s with it.known mainly by the last 3 digits of their casting number, the most common ones to be found will be the. 461. 462. 186. 291. 492. the ones I am going to cover here are the 461 and the 462 and also the 291...the 492 is not as common but still found, it was the factory replacement for the camel hump and is virtually the exact same as the 462 ...item 5 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1965-66 2.02 1.60 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1965-66 2.02 1.60. $800.00 +$110.00 shipping. item 6 Matched Pair 3890462 SMALL BLOCK CHEVY FACTORY HIPO DOUBLE HUMP CYLINDER HEADS.Every year for a few weeks in February, the city comes alive for Montréal en Lumière. Every year for a few weeks in February, the city comes alive for Montréal en Lumière, a festiv...item 7 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie $895.00 +$88.85 shippingTypical Camel humps only flow 195 CFM. There may be some castings that flow 203-205 CFM but the Vortec out flows all of them out of the box. Porting can increase the flow of either head but typically costs more than just buying better heads. You can pay around $1,200 for a good professional porting job.T. techinspector1. 18069 posts · Joined 2005. #2 · Nov 3, 2006. "492" – 3991492. Good performance head. They were found on 1970 LT-1 engines. They had 2.02/1.60" valves, 64CC combustion chambers, DO have accessory holes, intake port volume should be 161CC's, exhaust port volume should be 62CC's. These heads have …I've recently hopped over the initial hump of getting myself exercising regularly, but I'm having trouble finding a balance between pushing myself too hard and not...Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! Also …Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads.68Chevele. 6066 posts · Joined 2019. #2 · Jul 6, 2019. Well Vortec heads are better out of the box over the old camel hump heads. They can be had cheap now but you have to check them for cracks prior to doing any work on them. L-29 461 BBC 11.10@118mph 9-30-22. 10.65@125mph 406 with home ported Dart 215 heads.Flow characteristics, on double hump heads are very limited, even with drastic porting they wont flow much past .550 lift with big inch sbc. Also if you run much more than 350-360 ci your really limiting the power potential, on 283-327 they run awesome and if are in good shape can be freshened up reasonable priced.The #462 has got the normal approx. 64cc chamber and the #461 (x) has got a bit smaller one with approx. 60,5cc. Just as Scooter said. So with the same pistons you get more compression (=power or problems... with the #461 (x) heads. Bryan, you said you´ve got #292 heads there.known mainly by the last 3 digits of their casting number, the most common ones to be found will be the. 461. 462. 186. 291. 492. the ones I am going to cover here are the 461 and the 462 and also the 291...the 492 is not as common but still found, it was the factory replacement for the camel hump and is virtually the exact same as the 462 ...We’ve come a long way from the Joe Camel commercials I remember watching as a kid on TV. As a culture, we’ve become a lot less tobacco friendly. Indoor smoking bans, stricter adver...Flow characteristics, on double hump heads are very limited, even with drastic porting they wont flow much past .550 lift with big inch sbc. Also if you run much more than 350-360 ci your really limiting the power potential, on 283-327 they run awesome and if are in good shape can be freshened up reasonable priced.SBC camel hump heads. Jump to Latest Follow ... I wanted to sell the heads sperate . The casting numbers are 327186 and 3782461. Mortec says the first is 69/70 302/350 64cc and the other is 64-66 327 with 62cc These heads have Manley 2.02/1.60 valve and guides, new springs, and seals, but don't know what they are. ...The "041" head was a 1969-1970 high performance head, with the same exact performance characteristics as both the "186" and "187" Camel (double) Hump heads. It also is a 64 cc combustion chamber. It was available from the factor with both 1.94/1.5 and 2.02/1.6 valves, just depended upon which vehicle GM put them in.Camel back, double hump,fuelie heads, are all names for 461,462 & 291 head castings, and I think they WILL work on a 305. If I'm not mistaken, they would lower your compression ratio, though. I think 305 heads have 58CC combustion chambers, and the above named heads have 62-65 CC combustion chambers. I woud imagine that the intake runners on ...Just remeber that Vortec L31 heads have 64cc chambers which actually measure slightly smaller, because of this the L31 engines use a -13cc dish piston. The Vortec L31 heads are the highest flowing GEN 1/1E head ever installed in a production vehicle. This is well known and without debate. Cliffs: Vortec 350 heads.The most common heads sought by engine builders are ones identified variously as the "Camel Back," "Double Hump" or "Humper" heads used on a range of passenger cars and performance vehicles. Background. The small-block engine was manufactured by General Motors for Chevrolet and other GM vehicles from 1955 to 2002. It featured the following ...Dec 23, 2017 · Based on the iconic “double-hump” or “camel-back” (fuelie) cylinder heads of the ‘60s and early ‘70s—including the famed 461 Fuelie heads—the DHC 175 castings are modern aluminum versions with straight spark-plug locations and improved 60cc combustion chambers. I know it sounds hypocritical to run a camel humps and an alternator but it will be under the hood of '55 chevy so the non traditional sins will be hidden along with the Mallory Dist. I have set of 291 casting heads with no holes 2.02/ 1.60 valves to wake up the old 350. I don't have room for the low mount so need some ideas for other options ...Rather, the culprit is the improper selection of a combination of parts. Last month, we said we'd swap cylinder heads to see if the stock GM camel hump castings were keeping DM from making more power.biggest cam for 327 and double hump heads, flat top pistons. so i got a fresh 327 with flat top pistons and 462 camel hump heads all good, just need a cam. Im thinking around 282-286 degrees of advertised duration and around 470-500 lift, if i can go more duration i will. Ive read other threads of people recommending somewhere around 268 ...Oct 7, 2013 · This week, we add new valvetrain components to old “camel hump” cylinder heads. R.B. Las Vegas, NV. Q: I recently acquired a set of Chevy “camel hump” small block heads. I am putting in screw-in studs so I can use Harland Sharp roller rocker arms. Other than fitting the studs, do I need to do any machine work to the heads to use the ... Do you know what a Phillips head screwdriver looks like? Find out what a Phillips head screwdriver looks like in this article from HowStuffWorks. Advertisement The Phillips head sc...Here's what you need to know if you want to hike Diamond Head on Oahu in the Hawaiian Islands. Update: Some offers mentioned below are no longer available. View the current offers ...UPGRADED SBC Camel Hump Cylinder Heads 461 STAINLESS VALVES HARDENED SEATS. Opens in a new window or tab. New (Other) $1,199.99. streetrodshq (6) 100%. or Best Offer +$199.99 shipping. New Listing SBC Double Hump Camelback Head 1966 Corvette Chevy 461 Casting 1.94 62cc. Opens in a new window or tab.962 posts · Joined 2004. #2 · Mar 22, 2009 (Edited) 383 with camel hump heads. You're going to be up there on the compression ratio, and Hi-Test fuel will be a requirement. Be sure and get your "quench" set right from the start, somewhere in the area of .035 to .045. 7.Aug 19, 2007. 43. hamilton, ontario. hi i picked up a set a double hump heads the casting number is 3890462 for free but need to be reconditioned. are these any good and could i get somke help with info like what they were on and sizes also are they worth anything? thanks for any help, chad_48. Oct 17, 2007. #2.Colleges and new high school graduates have what I think is a strange idea. They think every freshman is an ad Colleges and new high school graduates have what I think is a strange...Mar 2008. Posts. 952. i think a lot of people that think that the camel humps are better simply because they flow more air or make more peak horsepower need to look at the bigger picture. the vortecs are more efficient over a broader rpm range, and require less timing and octane to get the job done.962 posts · Joined 2004. #2 · Mar 22, 2009 (Edited) 383 with camel hump heads. You're going to be up there on the compression ratio, and Hi-Test fuel will be a requirement. Be sure and get your "quench" set right from the start, somewhere in the area of .035 to .045. 7.T. techinspector1. 18069 posts · Joined 2005. #2 · Nov 3, 2006. "492" – 3991492. Good performance head. They were found on 1970 LT-1 engines. They had 2.02/1.60" valves, 64CC combustion chambers, DO have accessory holes, intake port volume should be 161CC's, exhaust port volume should be 62CC's. These heads have …Nov 25, 2001 · The actual CFM flow numbers would depend on if any work was done to the heads, and the quality of the valve job I did read one test on flow #'s for a 461 (stock, untouched), the #'s were as follows: .050" 1-38.9, E-20.9

JimKramer said: YES, I had my double hump heads drilled about 8 years ago. It worked great and they still do. However the machine shop will not guarantee it. So get a good machine shop that has done it before and knows the approximate location. Also the hole will be drilled into the inside of the head so after you install the alt and it's ready .... Abc dish dispute

Nov 30, 2021 · I started a build of a SJ 327 block with an older aftermarket 3.48” SJ crank. I was going to run it in my 57 with ported aluminum speedway motors camel hump heads, modified to take a staggered valve cover, and a heavily worked factory intake. I was hoping to squeak into the 12s with it. Features like fast-burn combustion chambers, high-velocity ports, large diameter valve springs, and positive stop valve seals bring the vaunted camel hump heads into the 21st Century. Save yourself the hassles of hunting down original GM 3782461, 3782461X or 3890462 castings, only to find out they can't be saved.DHC 175 heads are made from premium grade A356-T61 aluminum and have the exterior styling and straight spark plug holes that deliver the nostalgic appearance customers want. On the inside, 60cc CNC-profiled combustion chambers with blended bowl machining under the valves and small cross-section intake runners promote low-RPM torque increases ...Camel hump heads are way over rated in this day and age. You could gain a little more power from them by porting and cleanup. I ported my Sportsman IIs using a high speed steel cutter on a Dremel tool. It took forever, but it worked. I guess it depends on how confident you are with a Dremel.-You could take the sharp edges off of the short turn ...Re: 350 block 461 camel hump heads 11-25-04 06:02 AM - Post# 560210 In response to raws67 Hi..those heads are probably closer to 64 cc. This where it gets sticky..I was doing the same thing. I ended up with over a grand into a set of 186 heads. If you have the heads surfaced,new seats,new valves and springs and keepers, you will be over 350 …Re: camel hump vs vortec. by ProPower engines » Tue Oct 13, 2020 7:50 pm. No comparison. The vortec heads are better in every way unless you have free double bump heads and have to pay for the vortec's. If you flow the early GM heads and flow the vortec heads and compare the numbers. The big difference is in the chamber shape.SMALL BLOCK CHEVY Camel Hump Heads 1965-1967 Part #3782461 Pair. Opens in a new window or tab. Pre-Owned. $1,200.00. penzgemz (24) 100%. Buy It Now. Free local pickup.Re: camel hump vs vortec. by ProPower engines » Tue Oct 13, 2020 7:50 pm. No comparison. The vortec heads are better in every way unless you have free double bump heads and have to pay for the vortec's. If you flow the early GM heads and flow the vortec heads and compare the numbers. The big difference is in the chamber shape.Made from premium grade, lightweight A356-T61 aluminum, DHC 175 heads feature the exterior styling and straight spark plug holes that deliver the nostalgic appearance of the original factory performance 186, 291, 461, 462 "double hump" or "camel back" castings that customers want. 60cc CNC-profiled combustion chambers combined with a state of ...Chevy 3917291 Heads 302 327 350 Double Hump Pair Camel Hump SBC Heads 291 D 10 7. Opens in a new window or tab. Pre-Owned. $700.00. delcoenginesandcomponents (230) 100%.I can get a set of those “camel back” or “double-hump” heads—I think the cast number is 462. This is going to be a very mild 292 in my street rod and I might even add …The "right angle" (triangle 041) heads are just as good as "double hump" heads. If I'm not mistaken, they are the factory replacement heads for the "double hump". As was mentioned already, the original double hump heads didn't have accessory holes, but the right angle heads do. Outside of that, they are pretty much the same.Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads.steve70malibu. According to my information, 461X was the best of all the camel hump heads but are very rare. Next comes the 492 castings, next the 461, then 186, then 041s which are not camel humps but have the same design. I have a print out from a website that lists all sb heads and information on all of them.May 18, 2009 · 3991492. Jump to Latest Follow. 30K views 10 replies 7 participants last post by 2drpostL79 Aug 23, 2009. G. gregmontgomery Discussion starter. 203 posts · Joined 1999. #1 · May 18, 2009. can anyone give any info. on these heads .3991492 is the numbers are these good performance heads.thanks. Like. item 8 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1964 2.02 1.60 Fuelie $895.00 +$88.85 shippingRe: camel hump vs vortec. by ProPower engines » Tue Oct 13, 2020 7:50 pm. No comparison. The vortec heads are better in every way unless you have free double bump heads and have to pay for the vortec's. If you flow the early GM heads and flow the vortec heads and compare the numbers. The big difference is in the chamber shape..

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