Camel hump heads.

Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! In this video, Joe and Wyatt discuss the features that bring the vaunted camel hump heads into the 21st Century. 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. Step back in time with our 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. As Doug pointed out there are 3 different casting numbers that have the double hump outside identification. If you look at the casting numbers and date codes on the heads you can get a better idea of the original application. The 291 heads are later 60's and generally are high performance. The 462's were used on early to mid 60's full size …

For instance, the camel hump symbol (also called double hump) can be found on 461, 461X, 462, and 291 casting heads. The 492, 292, and 186 heads have a slightly different looking camel hump. These heads may have come with 1.94/1.5-inch valves or they might have been made with 2.02/1.6-inch valves.

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.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

Mar 31, 2015 · 67/68 Camaro's were short water pump engines that did not require accessory holes in the heads. 69 Camaro's were long water pump engines that only required one bolt hole in the passenger side head. (even though each head had 3 drilled and tapped holes on both ends of the head. Vintage Air will set you up with brackets for either style. 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 ...They actually ran very well. The 327-300 engine used the double hump heads, with larger 1.94" and 1.5" valve size, larger port intake manifold with larger Carter AFB carb, and larger dump ram's horn exhaust manifolds. The basic shortblocks of the two 327s were basically the same. More than likely your block number is 870.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-20.9Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads.

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Sep 1, 2023 · The name fuelie is somewhat of a misnomer, however; the fuelie heads were used on carbureted engines as well. The names "fuelie", "double hump", or "camel hump" comes from the shape of the casting identifier. These heads were used during the '60s and '70s on various performance engines. Casting number "462" fuelie heads

Product Line: Trick Flow® DHC™ 175 Cylinder Heads for Small Block Chevrolet. Summit Racing Part Number: TFS-30210002. UPC: 0842645120428.Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! Also known as "fuelie" heads, the …Anybody who builds hot small block Chevy engines these days will tell you not to bother modifying the old "double bump/double hump/camel hump" Chevy heads, 'cause there's dozens of new iron and aluminum replacements that work better right out of the box than any modified original... which is exactly why I want to run "real" mid '60's Chevy heads on my vintage '68 front engine dragster.Arabian or dromedary camels, which have one hump, live in Northern Africa, Southwestern Asia and Australia, while Bactrian camels, which have two humps, lives in Mongolia and China...Original Camel Hump Heads. I just finished up machining two sets of heads for a customer replicating camel hump heads for a Camaro restoration. He wanted high performance heads that looked just like the originals. I machined the logos off and then machined the inset by hand around a 3/8” thick steel guide. After the rough machining was ...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 …

There are a few things to consider. The valve sizes and chamber volume are two. If they have 1.94" intake and 1.5" exhaust valves a 383 would probably benefit from 2.02" intakes and 1.6" exhausts. A lot of these heads had 64cc chambers and a 383 with flat top pistons will put the compression over 11:1. If you're running pump gas on the …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.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.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.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 …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-20.9the 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 ...

Sep 1, 2023 · The name fuelie is somewhat of a misnomer, however; the fuelie heads were used on carbureted engines as well. The names "fuelie", "double hump", or "camel hump" comes from the shape of the casting identifier. These heads were used during the '60s and '70s on various performance engines. Casting number "462" fuelie heads

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.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 …The car was gutless with the stock 283, and I expect it to be somewhat less gutless after the rebuild. Heads #1 - Stock rebuilt 1967 283 Powerpack heads with a good valve job and upgraded springs, +/- 60 CC chambers. Heads #2 - TFS Camel hump heads 2.02/1.60 valves, 175 CC runner, 60 CC chambers. The “double hump” or “fuelie” heads have been around since the 1960’s. They are still used in a variety of applications. We have a good supply of used ‘186 & ‘492 heads available with everything from “ Undercover Porting ” to CNC Sportsman Porting. Stock “double hump” heads flow 202 cfm intake and 141 cfm on the exhaust. 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.28 posts · Joined 2008. #1 · Dec 18, 2008. I've got a bare set of camel hump heads with casting number 3782461 and 1.94 valves. They are not drilled in the front for brackets and have no cracks. I bought these heads in 1987 for a song and I've kept them for all this time planning to use them one day. I keep reading about all the great …

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3991492 Camel hump heads on 307. Found a set of #3991492 heads on a local online board which Mortec shows as being 1970 camel humps with 2.02 valves 64cc chambers with acc. holes will these work better then my current heads which are 624's 76 cc chambers and i believe 1.94 valves .

Look for last 3 numbers, example 461, Casting number 3767462 identifies Camel Back heads on 327 engines in 1962 to 1967 GM models. Number 3782461 is found on heads on the 1964 to 1967 models equipped with the 327. Number 3917291 can be found on the 302, 327 and 350 engines in 1967 to 1969 models. Number 3927186 is found in the 1969 and 1970 ...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.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 ...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. ...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.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.Jul 17, 2020 · 17921 posts · Joined 2007. #5 · Jul 17, 2020 (Edited) For the most part aftermarket heads come ready to accept both the 1955-86 head's intake bolt pattern and the 1996-2002 Vortec pattern. The real oddball is the 1987-95 pattern that looks like the 55-86 pattern but uses a different angle on the plenum bolts. The double hump or "camel hump" casting marks can be found on a variety of small-block iron heads and designate a high-performance casting. Many heads with …Learn about the new aluminum double hump cylinder heads for the small block Chevy V8 that offer improved performance and vintage look. See how they differ …

Look for last 3 numbers, example 461, Casting number 3767462 identifies Camel Back heads on 327 engines in 1962 to 1967 GM models. Number 3782461 is found on heads on the 1964 to 1967 models equipped with the 327. Number 3917291 can be found on the 302, 327 and 350 engines in 1967 to 1969 models. Number 3927186 is …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 ...stinger460. lets not scare the man. 400 sbc's can be cooled and not over heat on the street. here's how. drill steam holes in those heads if you really plan on using them. also while having the heads off time to do some plumbing. on the block between the two center bore there is a plug in the water jacket on each side. remove them, then coming ...The Rochester mechanical fuel injection option was first offered on the 283 cubic inch rated at 283 horsepower. This was the first engine to offer one horsepower per cubic inch. This is why the double hump, or camel hump heads are called fuelie heads. Today we expect 1.5 horsepower per cubic inch out of the small block; so we have …Instagram:https://instagram. 071025661 routing 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 shipping movies in topeka 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 … gypsy rose husband car GM used a different rating for power..that 151 cam in todays world is more like 290-300hp out of a 350.... Probably the same mentality that actually thinks camel hump heads are great, too. Same with buying "big" parts not for a build later on;so in the meantime you got a pigAug 30, 2009 · These heads got their nickname because of the raised identification shape on the each end. It's two half-ovals connected by a straight bar-most easily described as "two humps." Some of these... used trucks for sale cedar rapids all news. Original Camel Hump Heads. I just finished up machining two sets of heads for a customer replicating camel hump heads for a Camaro restoration. He wanted high …3782461 327, 64-66 Double humpers or Camel hump 161/62cc port 3782461X 60-63, Larger intake runners, 172/64cc port 3991492 350 LT1, 70, 64cc, straight plug, camel hump 3991492 Over counter, strt or angle plug, 64cc, 157/62cc ports ... the larger valved and pocket ported ‘Camel Hump’ style heads are just fine. ... oak springs rv park florida I'm sure you will get a more technical response for this but "camel hump" heads are named primaraly for the embossed shape in front of the head where your accessories. would bolt up too. Back in the day they were sought after hi -po hp. heads that were. closed chambered large valve small block heads.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, … momosik shrine 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 ...Learn about the new aluminum double hump cylinder heads for the small block Chevy V8 that offer improved performance and vintage look. See how they differ … convert mg to milligrams 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.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 …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 … joann fabrics rochester ny There are a lot of castings to choose from when running the Chevy Double Hump heads. In this video we discuss what is the best casting to start with for you... ua1949 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 ... china king lafayette There are a lot of castings to choose from when running the Chevy Double Hump heads. In this video we discuss what is the best casting to start with for you...Back to your original question, most people call the "camel hump" heads fuelies but as stated before, only the 461 were true fuelies. There are several closed chambered heads with different casting numbers and markings that will perform as well and a original fuelie head. You need to get the last 3 numbers from the casting numbers and look them up. prosper south bend 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.They actually ran very well. The 327-300 engine used the double hump heads, with larger 1.94" and 1.5" valve size, larger port intake manifold with larger Carter AFB carb, and larger dump ram's horn exhaust manifolds. The basic shortblocks of the two 327s were basically the same. More than likely your block number is 870.