291 camel hump heads

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With a 327 and 3. They either had 1. 882 heads. Just as well I as I had Delta Camshaft grind this little HR jewel up Chevy 3917291 Heads 302 327 350 Double Camel Hump SBC Heads 291 small block. 02 1. 9 Jul 26, 2009 · Those heads are -291 camel humps, there are many that refer to them now days as double hump but they are camel hump heads . #17 · Oct 9, 2013. All 400ci small-blocks utilize Siamese cylinder walls. The 291 or 292 Turbo Flow will get a SBC 302 or 327 to 8G's = Late 67-Preliminary 69 Castings. The stock 283 used a 58cc chamber. Cliffs: Vortec 350 heads. Dec 23, 2014 · Build your engine and use your double humps and preferred cam. 050" 1-38. Cast #291. 6-inch valves. 00 +$44. I turned the heads over to a Stock/Super stock racer for some work. . off the nose of your car vs. This design caused the cooling system to develop hot spots and that is why the 400 heads have steam holes. 94 heads were opened to 2. I think the heads on my 327 in my elky are 291`s. 02/1. I can text pics. Last edited: Nov 29, 2020 Sep 3, 2021 · The car was gutless with the stock 283, and I expect it to be somewhat less gutless after the rebuild. 469 lift, 670 Holley on a Performer RPM intake, stock exhaust manifolds with a transverse muffler, 4 speed and an 8. 02" heads due to a crack that has developed. Heads #1 - Stock rebuilt 1967 283 Powerpack heads with a good valve job and upgraded springs, +/- 60 CC chambers. Gen III LS1 "GTZ" aluminum 38cc angle plug. 5in exhaust valves or 2. Cleaned, lapped and refreshed with new seals and retainers. They came with either 1. ARP 247‑4202 Head Stud Kit for 1998-18 Dodge Cummins 24v Diesel 5. Canfield 3. 6in valves. 94 valve sizes, proper porting with 2. 33 Jun 11, 2023 · Camel Hump head porting and setup. They were used between 1962-1968 on various HP versions of the 302, 327 and 350. #1967impala #chevroletimpala #chevyim Dec 5, 2001 · Aluminum heads $700 - $1000 assembled to look at: 1. 1%. Jan 3, 2000 · As Doug pointed out there are 3 different casting numbers that have the double hump outside identification. The big difference is in the chamber shape. 00 +$110. Bowtie Phase III 64cc Angle plug 184 cc intake runner. Stock “double hump” heads flow 202 cfm intake and 141 cfm on the exhaust. or Best Offer Apr 5, 2024 · W. #1 · Jun 11, 2019. Features 180cc intake runner, 62cc exhaust runner, valve seats machined for 2. 60 valves, had 64CC combustion chambers, intake port volume should be 161CC's, exhaust port volume should be 65CC's. 9L 6. If its not what you want you can always change the heads and cam to something else. According to my information, 461X was the best of all the camel hump heads but are very rare. by ProPower engines » Tue Oct 13, 2020 7:50 pm. In this video we discuss what is the best casting to start with for you Jul 29, 2002 · The 291s aren't like the earlier 461s they made the chamber work better with more lift. was gonna run the L79 cam. 34 These heads will also interchange with other camel hump heads with casting numbers 461, 461X, 462, 291, 292, 186, 041, & 492. small block chevy. Dec 12, 2018 · Originally sold bare, so valve sizes are dependent on machining. If you flow the early GM heads and flow the vortec heads and compare the numbers. Like. And they will make more power than those 461's ever will. Not even W/Products seems to have numbers on their 1. my 68 Camaro build. 60 $800. 72/1. They are still used in a variety of applications. 67 Camaro 4-spd, 350 with cam, headers, HEI, and double hump heads. $520. I have set of 291 casting heads with no holes 2. Both heads are 64cc. Save Share. 030” over 327, flat top pistons, “462” double hump heads with 1. The roller cam and AFRs went Feb 5, 2009 · 461 and 462 camel humps are good heads for the time. 5-inch valves or they might have been made with 2. Other than one being iron and the other aluminum, what is Jul 11, 2006 · )camel hump hp small block heads. The best thing ive found aftermarket cams and springs are good for is wiping out cam lobes and circulating ground up metal through the engine. But really 2. or Best Offer. This is well known and without debate. 94 what kind of performance difference would I see if I bought them and put 2. 5 76cc heads, except at . Text is best. Product Summary. For instance, the camel hump symbol (also called double hump) can be found on 461, 461X, 462, and 291 casting heads. Trick Flow Specialties DHC 200 Aluminum Cylinder Heads combine the classic looks of 1960s-era ‘camel hump’ cylinder heads with CNC-ported airflow capabilities to give a small block Chevy a big dose of horsepower. 60 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1965-66 2. 12480034. Both versions were the exact same casting with the differences only being in machining and valve sizes. And I'm not going to get into the "sparkplug trough" -306 type head that came out back when the SB was first out. No comparison. Add vehicle. 00 item 6 Chevy Camaro Cylinder Head #291 SBC 302 Z28 327 2. 60 or 2. 77 at Famoso. V8 Discussion Apr 21, 2010 · Even a set of mildly worked vortec heads are better than camel humps. Dec 6, 2023 · The 67 engines used casting number 3890462 until about March or April of 1967. They were one of the last, true good casting heads chevy made, besides the 487 and 487X heads. Last, the 492. Basically the same as the 186/041, and supposedly still available at your local chevy dealer, under different p/n's. The 462's were used on early to mid 60's full size and Jan 15, 2009 · 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, and 492. 00. 36 gear, 700R4 with a 1800-2200 converter, shifter left in D shifting btween 5300-5400 RPM, with the camel humps it went 12. It's out in my 283 block now. #18 · Jun 30, 2010. Basically, there were two versions of the 461 and 462 double hump heads. Cast 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: . 60 intake and exhaust valve sizes. 500" lift Intake and 202 CFM Exhaust With a 3. Aug 3, 2007 · Typical Camel humps only flow 195 CFM. Oct 26, 2023 · By Engine Builder. Feb 1, 2016 · The "true" camel hump heads (through 1968) were used on 302's, 327's and 350's, commonly known as "461", "462" and "291" depending on year, some carried over also. Put the humps on--they are better heads, if you can deal with no holes in them. After numerous cam changes, the OP found that the -140 cam was the best for his 302. The 291 was Std Equipment on a 67/68 Z28 290Hp 302 and 295/370Hp 327's. 55 291 Heads. joel, Jan 25, 2020. Vintage Air will set you up with brackets for either style. 7L. Jun 11, 2019 · 561 posts · Joined 2017. 94in intake valves/1. #1 · Apr 5, 2024. For example, in the mid sixtys, there were heads with the same casting numbers ( ending in 462) but had either 1. 00 mind you. These heads will fit all 265, 283, 302, 305, 307, 327, 350, & 400 small block Chevy engines from 1955 to 1986 with no modifications (steam holes will need to be drilled for a 400) and 1987-1999 with correct intake Oct 8, 2013 · 10849 posts · Joined 2006. Get the last 3 digits of the casting number and post them up for us, it'll tell alot about the head. The "462" heads have the double hump or "camel hump" casting symbol on the end of the head. 05 1. Chevy 3917291 Heads 302 327 350 Double Hump Pair Camel Hump Sbc Heads 291 D 10 7. Year Make Model Trim Engine. 02/ 1. Aug 29, 2006 · Engine and Drivetrain Tech. Chevy SBC Assembled Aluminum Camel Double Hump 461 Cylinder Head (speedwaymotors. 500 lift. If you are not familiar with the Jul 9, 2022 · These heads will also interchange with other camel hump heads with casting numbers 461, 461X, 462, 291, 292, 186, 041, & 492. Sep 17, 2012 · TJS69 said: Part of the problem will be finding a cam that will work with 1) Double Hump heads 2) 383 cubic inches. 60" big valve double-hump heads on a 283 is to NOT go over the about . 08s. You'll be much happier. 50 or 2. 1970 Chevelle, 331cid. If you building a period specific engine or restoration such as a 350hp/327 they do the trick. 42 gears. Heads have advanced incredibly since the 60's. I think 305 heads have 58CC combustion chambers, and the above named heads have 62-65 CC combustion chambers. 050 and . The 461x heads though desirable for their bigger ports are basically all gone, used up and expensive. I. Offered in 69-71, on high performance 350's, and as a service replacement for the 64cc heads. 440" to . one last thing they will support370-400 horse power even in 1. $145. In 1967, two different cylinder head castings were used on the 302, 3917291 Jan 23, 2005 · Camel back, double hump,fuelie heads, are all names for 461,462 & 291 head castings, and I think they WILL work on a 305. 05 valves in them? Nov 1, 2008 · Heads, not a fan of the sportsman II's, Dart Iron Eagle Platinums better imho. 1 has been drilled for alt bracket. I am basically on a no-string budget, so I am looking at the "cheaper" assembled head options: Brodix IK 180 & Dart IE 180. 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. item 5 OEM GM 3782461 Cylinder Heads Small Block Chevy Camel Hump 1965-66 2. There is no discernible difference between a 291 and a 462 head. Jun 21, 2012 · The 327 is getting 30 over flattop hypers. I was under the impression that closed chamber heads too the XLS style plug. Jul 6, 2018 · The problem with adding bigger fuelie style cylinder heads like the 461 or 462 is that, while these heads increase airflow over a stock 283 head, this also increases the combustion chamber volume. I put on old power pack 283 60cc chamber, small valve heads, and man, wow!!! The 882 heads were low compression, smog heads, heavy duty castings. Porting can increase the flow of either head but typically costs more than just buying better heads. 94 intakes or 2. I have a steel small journal crank 10/10 under. 60 exhaust valves. 9, E-20. Camel back heads 194/150 valves. The 461 head had no chamber below the spark plug, it was machined flat when the head was made. anthnjack (1,091) 98. Aug 30, 2019 · There are a lot of castings to choose from when running the Chevy Double Hump heads. 60. (I asked a W/Products tech guy on this) Jul 7, 2009 · Advance lists R43T for 360 and 390hp which would be 290 heads. 447"/114. All for $0. Had a local vet Stock/Super Stock racer work them a bit for extra flow. 42 low ST10 they work well with 3. 65 ( absofrigginlutly the max ). Nov 2, 1998 · Offered in 69-70, on 350's. Quadrajet, stock intake, exhaust and heads, no porting (it is on a circle track street stock and those are the rules). com/Chevy-SBC-V8-Bare-Aluminum-Camel-Double-Hump-461-Cylinder-Hea 0. SBC 327-350 pair of matching "291" Camel hump heads (têtes bosse de chameau) 1967 casting # 3917291 dated : November 15 1967 came off of a working engine / moteur roulait avant le démontage SBC Camel Hump "291" heads - Car Engines & Engine Parts - Boisbriand, Quebec | Facebook Marketplace Sep 20, 2015 · C3 Tech/Performance - Camel hump heads to vortec heads? - So currently I'm running a set of 291 camel hump heads with 1. The double hump (camel backs or fuelie heads) were great in the 60's and 70's, but there are much better heads on the market now. 02" intake valve size. 433" lift hy-cam here that I mentioned earlier. 71 Nova - LQ4/4L80E, 12 bolt posi 4. I have a print out from a website that lists all sb heads and information on all of them. 600 is the norm. $700. 02 valves. 94 valves I have a friend who offered me some 062 vortec heads for $250 with 1. Nov 5, 2016 · I have acquired a freshly rebuilt set of 291 double hump heads with what seems like 2. The S/R Heads and the S/R Torquers are exactly the same casting. Opens in a new window or tab. If you look at the casting numbers and date codes on the heads you can get a better idea of the original application. Trick Flow 23* heads 2. Jan 8, 2005 · Look for the distinct double hump casting on the ends of the head. The ones I am going to cover here are the 461 and the 462 and also the 291the 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 Mar 19, 2006 · And not the later -462, -186, -291 or -041 big valve heads used on the newer stuff. "Double-hump" heads were found on many of its high-performance engines in the 1960s and early 1970s. Flat top 4-eyebrow pistons, HFT cam measured 252/262, 202/214 109 ICL and 114 LSA. I woud imagine that the intake runners on 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. 55-inch valves. Aluminum GM vortech's Unless you get a real steal on a set of lightly used camel hump heads or equivalent, you may wind up putting a lot of money into rebuilding old heads. Jan 14, 2013 · I used to run 89 octane with the camel hump heads, but I can now run 87 octane with the AFR heads. 60" exhaust valves, 1. 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 Aug 23, 2006 · I had my 67 on a dyno on Monday. 42 richmond gears. Jun 28, 2010 · hhott71. 4:1CR with #187 camel hump heads, weiand intake and a new Holley 750 DP, forged pistons, a fairly radical cam (well we were told, I've heard it run for about 1min till next weekend) mini gear reduction starter, hooker headers, 3" exhaust, 4 core radiator, lakewood scatter shield , dual center force clutch, and the M21 and 91 WHITE LEFT DRIVER SIDE MIRROR FOR MERCEDES GLS450 GLS500 WITH BLIND SPOT. 125/1. 050". Significant improvement in the flow. Cast from premium quality aluminum that shaves 40 lbs. Jul 5, 2011 · Hello, I have the following: 462 camel hump heads. 12bolt 3. The R43XLS or R44XLS plugs are gasket style plugs that won item 6 OEM GM 3917291 Cylinder Head Small Block Chevy Camel Hump June 67 No Porting 291 OEM GM 3917291 Cylinder Head Small Block Chevy Camel Hump June 67 No Porting 291 $295. 327 got 291 camel hump heads, factory 2. It has a . to un shrouding) will support 450+ and maxed out welding by a few elite porting gurus have gotten 600+ out of these suckers and if you think i am wrong check out some of the NHRA records that still stand Mar 5, 2009 · These are commonly called "Camel Hump" heads :yes: This refers to the two 'humps' on the front pad of the head These came in both 1. heavy iron heads. Has a triangle, instead of double hump. 02 depending on application. Both the 290 castings and 291's for 70 are tapered seat spark plug castings which was designed for the short reach tapered seat peanut style plugs. You can see the heads for yourself at the Trick Flow Specialties booth #23011 in the Jan 8, 2008 · Or you could just buy a set of brand new Dart or similer heads for 5 or 600 bucks and bolt them right on. Oct 13, 2020 · Re: camel hump vs vortec. 02"/1. " "Cylinder heads used on the 302s can be a bit confusing. Wooderson Discussion starter. You could use a 3. 040 over already. Gents, I'm just a hobbyist and this is my 2nd thread here and 2nd attempt at head porting. I am trying to decide whether I should build the engine similar to an L79 with domed pistons and 10. Jun 14, 2008 · These heads have double hump casting marks. Also I know from experience that many 1. See More. Shim heads gaskets by FelPro. 60 valves, 175 CC runner, 60 CC chambers. If I'm not mistaken, they would lower your compression ratio, though. 02. Find many great new & used options and get the best deals for Set of 327 Chevy Camel Double Hump Heads 8782461 at the best online prices at eBay! Free shipping for many products! These heads are easily identified by the last three digits of the casting number: 461, 462, 186, 291 and 492. In 1964, when the solid lifter 327s were increased to 365hp (Holley) and 375hp (FI), the double hump heads got the 2. 69 Camaro's were long water pump engines that only required one bolt hole in the passenger side head. The 291 heads are later 60's and generally are high performance. 560" max spring pocket diameter. 450" valve lift b/c you can hurt it at rpm AND the little sucker CAN go above 8,000 rpm EASY!!!!! Notice the 308/246, 108/108, . Our new cylinder heads have a similar external look to the GM 3782461 heads, but are item 5 GM Chevy 3917291 Heads Camaro Corvette Double Hump 1967 1968 In Michigan GM Chevy 3917291 Heads Camaro Corvette Double Hump 1967 1968 In Michigan $800. 6 valves and the 300hp/327s retained the 1. Old wolf, Dec 24, 2014. Darren. Jan 25, 2020 · There were many castings that ended in 462, but had different overall numbers. Jul 5, 2019 · Nobody except resto guys are really using them anymore because a machine shop bill to properly re-do and update a set of camel hump heads is close to what a set of aftermarket heads cost. 12480011. Oct 19, 2009 · steve70malibu. 02s(attn. 73s. 462/. com) I had to wait almost three months last year to get my factory heads done, and it was not cheap. Nov 21, 2003 · Re: 462 double hump heads (Vetterodder) 462's were one of the best flowing production heads. There were some slight chamber shape differences in the 63-66/67,68 castings but as an example the 327/350 hp engines through their four year run were basically the same. 50 & 2. Vortecs measure in at 170cc also. The Vortec L31 heads are the highest flowing GEN 1/1E head ever installed in a production vehicle. Mar 30, 2013 · 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 Cast Crank limits you to 6800rpm (I would not push over 7000rpm mated with Hyper-Tek Pistons and Roller Rockers with a cast crank). You need to run a factory designed cam to go well with those heads. We have a good supply of used ‘186 & ‘492 heads available with everything from “ Undercover Porting ” to CNC Sportsman Porting. Only the valve size is changed on them. flat top pistons, 10:1 compresion ratio. Jun 27, 2008 · The key to running 2. Here is a quick 'cheater' list of common head CC and valve size(s): Feb 20, 2010 · 68 210 Hp 327 - More then likely a 2BBL, Cast Medium Journal Crank, Cast Flat Top Pistons with 9:1 Compression and 1. 02 intake and 1. (even though each head had 3 drilled and tapped holes on both ends of the head. 08s and an M20 lift is not your problem unless you change the rear axle ratio it will be a stone no matter what you do. Remanufactured. delcoenginesandcomponents (226) 100%. These heads may have come with 1. 60 valve versions available; 327’s through ‘68; have temp sender hole. 25534351C: 2004 Bow Tie, cast-iron, Vortec, 175cc intake ports, 65cc exhaust ports, 2. For the record- the largest intake runner of any small block chevy production camel hump heads were 172cc 461X castings, most 462's, 461's, and 291's were 160cc-167cc. Z28 engines used the same casting number, but with larger 2. Edelbrock Performer RPM 4. Pre-Owned. Next comes the 492 castings, next the 461, then 186, then 041s which are not camel humps but have the same design. Factory L79 221*/. Aug 12, 2017 · How Fuelie Cylinder Heads Launched SBC Performance. The 'factory' heads have a "fly-cut" relief machined around the chamber intake valve area to unshroud the valve. Max valve size (for an expert ) is 2. 1968 Small Block Chevy Sbc 302 327 Hump Heads 3917291 291 L-1-7 K-24-7 1. Heads #2 - TFS Camel hump heads 2. each. 50 valves, Comp Cams XE262 with 218/224 duration @. Thank you. speedwaymotors. iron heads Improved port/chamber Feb 16, 2011 · Then 1970 Happened. The camel humps flowed 253 CFM @ . The vortec heads are better in every way unless you have free double bump heads and have to pay for the vortec's. There may be some castings that flow 203-205 CFM but the Vortec out flows all of them out of the box. " "Original hi-perf or “fuelie” heads; chamber sizes are 62-64cc; both 1. 6 Camel Hump 3917291 This video shows you how to identify camel hump heads. But I agree for the money you can get a nice set of vortecs or a good set of alums. 5 ten bolt with 3. 60 valves to wake up the old 350. 355 C. I am looking to replace my 462 camel hump, 64cc, 2. Feb 21, 2024 · Rebuilding my old and tired 327 Camel Hump Heads from 1967. And the only "double-quench" head out there except for the old -461 is the -601 type head if I recall right. Oct 12, 2006 · They are basically a camel hump head. These heads will fit all 265, 283, 302, 305, 307, 327, 350, & 400 small block Chevy engines from 1955 to 1986 with no modifications (steam holes will need to be drilled for a 400) and 1987-1999 with correct intake Mar 23, 2008 · the 400 has about 10. 6 Camel Hump 3917291 Chevy Camaro Cylinder Head #291 SBC 302 Z28 327 2. SB2. Free shipping. 1376 posts · Joined 2006. 2. I'd love to see the two compared, so as to see at what point in lift, the 2. by postal123 » Sun Jun 11, 2023 5:24 pm. 94/1. 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. 165-180 cranking PSI in all cylinders. 549 posts · Joined 2001. You can get the 186 castings, they are 64 cc heads with accessory holes used on 69 302 and 70 350 LT-1 engines. These are garage sale priced because they are blemished heads from the factory. Aluminum double hump head cast from premium quality aluminum that shaves 40 lbs. 12506450. Dates E24 7 and E28 7. 00 shipping Apr 28, 2007 · 291vs. These first "fuelie" heads were 3782461 castings and some 461s got an X added. 6 heads gained flow. Feb 28, 2020 · Chevy SBC V8 Bare Aluminum Camel Double Hump 461 Cylinder Head - https://www. General Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. Clean runners. 11 rear - SOLD. Then I had a hyd roller cam cut by DELTA. $609. May 23, 2009 · The 461, 462, and 291 casting numbered heads are commonly referred to as "camel hump", "double hump", or "fuelie" heads, and have either 1. Camel back double hump heads been sitting on shelf for years so could use some cleaning, some have valves and springs and some don’t. I sourced some 291 67/68 Camel hump heads 2. You can pay around $1,200 for a good professional porting job. Chevy 3917291 Heads 302 327 350 Double Hump Pair Camel Hump SBC Heads 291 D 10 7. 5-11/1 compression and use an l79 style "151" grind camshaft or should I just use 9-1 flat top pistons and use a slightly more modern . Oct 1, 2006 · 461 and 461X (double hump)-These were the original double-hump castings and feature 64cc combustion chambers and a 2. Also have some other engines and parts cheap just need gone Mar 13, 2009 · There are no accessory bolt holes in the ends of those heads. 02" intake/1. Let me preface this by saying I feel pretty silly just noticing this tonight after owning the car a few months. 85 shipping Nov 10, 2022 · A few points to consider if your planning on using a pair of double hump GM heads. 94" intake valves. The largest SBC prodcution head runner is the LT4 195cc. 99. Published: Oct 26, 2023. The Camel Backs are often confused with the "fuelie" heads found on fuel-injected Corvettes, but measurements of the intake and exhaust ports will reveal the Camel Backs are installed in the carbureted 302, 327 and 350 engines. I would go with the Dart heads. Trending at $207. 2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. 283, 302, 307, 327, 350, 383, Bare Cylinder Head Style. Oct 19, 2010 · The heads you have (462) came along in 66. Aug 3, 2005 · Double hump heads spark plug Q. 00 shipping Dec 8, 2005 · 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. 02 intake valves, and a 400ci 511 block that is allegedly 0. Comments welcome. Those heads only have 160 cc intake ports. 5 valves, no good!). No Warranty, No Returns on Garage Sale Items Visually similar to the 461 heads (GM # 3782461) which first appeared on the 1961 Corvette “fuelie” No accessory bolt holes, just like the original heads Heads are sold EACH Aluminum heads shave 40 lbs. I don't have room for the low mount so need some ideas for other options The “double hump” or “fuelie” heads have been around since the 1960’s. They were manufactured with larger intake and exhaust port volumes and valves for the period, and engines equipped with them had output Nov 7, 2019 · Today in the shop we’re learning about our new aluminum double hump cylinder heads for the small block Chevy V8. 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 Sep 6, 2005 · Period. Dec 6, 2012 · 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. 5 valves (the 250hp base engine got the pyramid heads with 1. By Mike Magda August 12, 2017. The 492, 292, and 186 heads have a slightly different looking camel hump. 60-inch valve combination, but have slightly larger intake ports; 461 Mar 31, 2015 · 67/68 Camaro's were short water pump engines that did not require accessory holes in the heads. If your car is a '67 or '68 then you do not need accessory holes, unless your car is not original. We need more information about your vehicle to confirm fit. 60s. Corvette mill in 1960. 062 and 291 castings. In Stock. Not square, not triangle, but 2 humps kinda the outline shape of the stud side of a pushrod guideplate. Those double-hump heads generally have 64cc chambers. 492 angle plug heads, performer intake with 600 May 23, 2013 · I am using "461" camel hump heads with the 1. 00 +$120. 94 1. The "fuelie" moniker came from the fact that the first engine to get them was the 315hp 283 F. Find many great new & used options and get the best deals for Small Block Chevrolet Double Hump Cylinder Heads 3927186 at the best online prices at eBay! Free shipping for many products! item 7 Chevy 3917291 Heads 302 327 350 Double Camel Hump SBC Heads 291 small block Chevy 3917291 Heads 302 327 350 Double Camel Hump SBC Heads 291 small block $700. Then 1970 Happened with the Higher flowing over counter Angle Plug 292 and 414 Casting designed for the 350 . I'm putting a new carb on the car, and in so doing changing plugs, fuel lines, filter, etc. 94 V. 66 Chevy II 2 door sedan - under construction - LQ4/T56, IFS clip. Comes completely assembled with no accessory bolt holes, just like the original Chevy 461 heads. 327, 2004R and 3. 625. I bought a '65 K10 with 8k "rebuilt" 357 SBC. posi. Wyatt and Joe compare them with the original GM 461 casting or "fuelie heads" that debuted on the 1961 Corvette with Rochester fuel injection. camshaft: 106 degree LSA, 250 degree duration at . 94" and 2. qx zw wq wz pa jq kv au kr fp