Nearly all traditional heads for a mid-70s and later 350 c. 02 Camel Humps. And a build code of B266. Aluminum double hump heads would be like adding 10 horsepower due to the weight savings. Product Identifiers. 4130 posts &183; Joined 2011. And a build code of B266. 72in valves. The bigger heads to follow were the double-hump heads championed by the mid-60s 327 engines. In the very, VERY beginning (61), the double hump heads FIRST appeared on the 315hp-283 Fuel Injected Corvette engine-----ONLY From 61-63, THE ONLY valve sizes were 1. Depending on your age and where you went to school, you may have learned keyboard skills on a typewriter rather than a computer. You will get a few different answers but if you get 500HP NA from them you have done well. Those match a 350 better. Set of double humps on craigslist dfw 300. Small Business. View Details. 99 Trick Flow DHC 175 Cylinder Heads for Small Block Chevrolet Cylinder Head, DHC 175, Fast As Cast, Assembled, 1. Oct 3, 2021 &0183; Location brisbane AUSTRALIA. 75 to 1 CR. 02 intake valves, and a 400ci 511 block that is allegedly 0. They are larger chamber,better ports,& having the larger chambers,, it unshrouds the valves better promoting better airflow. The Trick Flows are no better than the Brodex. Knowing the. Comes out to 10. Casting symbol on exterior face of head is single centered pyramid on square block. Learn More. 6 valves. They were not installed on any factory vehicle. 60" will get you up around 206cfm155cfm. 50's with a 906 stock set and 10. You would need a standard type roller rocker. Small Block Chevy with Factory GM 3-Bolt Heads. There was also an angle plug version of this head but Chevy never did angle plug double hump heads for. 94 intake valves. ICT Billet SBC AlternatorPower Steering Pump Accessory Drive Bracket Kit for Double Hump Heads 305 327 350 383 5. ICT Billet SBC LWP Alternator Bracket Double Hump Heads Adjustable Billet Kit Small Chevy 305 327 350 5. The double hump Chevy heads first appeared between the 1960s and 1970s; they were manufactured with large intakes, exhaust valves, and port volumes and recorded output ratings of around 350 horsepower. What diameter springs A 350 with flat tops and 64cc double humps should make around 101 cr. I have a 355 sbc with double hump heads with roller rockers and hypereutectic flat pistons from speed pro with a Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 278288, Lift. 480 horsepower potential naturally-aspirated. from chicago IL. Did GM put the old "hump" casting mark on the heads just for nostalgia or trying to fake people into thinking they. The 461 and 462 were the most famous of the double hump head. The Camel hump are also smaller chamber. by steve cowan &187; Sun Oct 03, 2021 1017 am. After doing a little research it looks like in &39;68 they did reduce back to a 250 HP engine, as well as having the 275. they will increase the Web. This double-hump PTLVC is firstly observed in the mixed flow pump. (3) Estimated to ship direct from manufacturer on 121223, pending manufacturer availability. Given the amount of money I would find a friend thats took a set of heads apart , and give them a home grown port job focusing in the area under the valves. Because they are not worth putting money into. They usually need over 500. Jun 8, 2021 To determine what type of heads are on your small block Chevy, take a look at the illustrations below for &39;Early&39; or &39;Late&39; Style, Aftermarket Aluminum SBC heads, Aftermarket Cast Iron heads, and other SBC cylinder heads. 92" intake valves and I believe some machining. Double hump, vortec 906 or aftermarket. The bigger ports are worth 15-30 hp depending on engine configuration, disregard what Chevy rated them. The best you could hope for were double-hump iron heads or perhaps the classic 283 Power Pack castings everyone wanted. Read on to learn where to get tools and glass, and how to handle it with care. i put a set of z28 302 heads on my 283 in high school. A single-hung window is where only the bottom frame is operational. The stock 283 used a 58cc chamber. 750" intake plate, without exhaust tube, and 28" of water. Feb 16, 2007 &0183; 292" 3917292, or 340292. dyno jonn. When smartwatches first came onto the tech scene, many users were excited about the idea of wearing the James Bond-worthy, high-tech devices that could take calls, respond to text messages, organize schedules and browse the web. "Double-hump" heads were found on many of its high-performance. Both versions were the exact same casting with the differences only being in machining and valve sizes. My new springs are the same diameter of stock, so 1. This double-hump PTLVC is firstly observed in the mixed flow pump. 00 work to get them compatible to modern gasoline. Are basic 327 heads available for a replacement for the double hump heads What would the most cost effective head setup be to put the 327 back together. 94 intake 1. Apr 4, 2022 &0183; Speedways double-hump heads (PN 910-3782461) come packed with a ton of value. Are basic 327 heads available for a replacement for the double hump heads What would the most cost effective head setup be to put the 327 back together. Jeff found a standard-bore 1963 327 block (casting number 3782870) and. 99 Summit Racing Cast Iron Cylinder Heads for Small Chevy Cylinder Head, Cast Iron, Assembled, 72cc Chamber, 165cc Intake Runner, Chevy, 302, 327, 350, 400, Each See More Specifications Check the Fit Estimated Ship Date Today Would you rather pick it up Select Location Free Shipping Prop 65 Warning Add To Cart Beat A Price Guarantee. Oct 8, 2012 &0183; Power pac heads used little 1. I am thinking about running a street demon 650 cfm annular carb with vacuum secondaries, I have heard they work great but I have also read horror stories on the demon carbs. 02 1. The intake was designed for the AFB carburetor and the exhaust manifolds were 2 12". Apr 3, 2013 These heads had 62cc chambers. And they will make more power than those 461's ever will. 94 heads were opened to 2. 60 valves and how good the valve seats are. OEM Chevrolet Nova said The heat range for Autolite plugs is easy to remember. What are double hump heads worth RIP 2162019. 462 camel hump heads 355 C. 291&39;s have a boss for the temp sending unit - some are not drilled , most are. The 461 and 462 were slightly different, as mentioned above a few times. 300hp 327s and the 350 hp anglestraight plug heads are different. 02 valves, machined chamber on Web. 50 valves. Any machine work upgrades you would have done on a factory set of heads have been taken care of already. I have used 0437-Shortys in the past but haven&39;t been happy with them. May 25, 2016 &0183; Designed to fit 1955 and newer engines, this Vortech head (PN 12558060) is a great mild-performance cylinder head. 84 4 barrel heads with 1. Joined Jan 11, 2007 Posts 594. The differance is outside mounting boss. I&39;m currently building a 305nv3500 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. Get the best deals for 350 double hump heads at eBay. By far, the most iconic Chevy 327 engines were the L76, L79, and L84 versions, the latter of which had primitive fuel injection. 60" valved -461&39;s in my garage now. FSR stock is heading north as today's traders catch wind of two exciting developments, including the long-awaited first Ocean EV rollout. Trick Flow&174; DHC 175 Cylinder Heads for Small Block Chevrolet. Not quite. For my Dollar I would go for a set of AFR or the Edelbrock e heads. The 292 castings replaced the camel hump heads then Bowtie head replaced 292 head then the Vortec heads replaced the old phase 2 bowtie 034 castings. The reason i asked was at the very top of the rpm range i did notice a difference in different plugs when i ran the double humps. 14 Mar 5, 2011. If that&39;s 10. An Authentic Aluminum Reproduction of Chevys Camel Hump Fuelie Heads. We have a great online selection at the lowest prices with Fast & Free shipping on many items. 60-inch valve sizes. If torque is the OP main objective,. But I did put together a decent 327 combo with a bunch of help for one of the HAMB experts. As you age, you may begin to notice changes in your vision. 94- and 1. 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. 50 1960-63 Double hump heads, no accessory holes 172 intake runners 283327. The bigger heads to follow were the double-hump heads championed by the mid-60s 327 engines. Although i have no immediate. Comments welcome. The DHC are 175 cc and the new ones are 200cc. but are better heads for the cost of vortecs. i put a set of z28 302 heads on my 283 in high school. Text descriptions of the heads can also find text descriptions for each head type under the respective headings. Apr 3, 2013 The &39;87-&39;95 cast-iron 350 heads returned to 64-66cc combustion chambers. 6 valves installed, the chamber wall NEXT to the intake valve was relieved as below. May 30, 2015 &0183; I'm putting on the valve springs that came with my cam. I have a 355 sbc with fuelie camel hump heads in my 62 vert. 300hp 327s and the 350 hp anglestraight plug heads are different. I hear your advice to not drill. And a build code of B266. 20 Front Check out my walk around video FinancingDelivery available We are NOW OPEN to the PUBLIC. 461, 461x, 462, 8890462, block, casting, chevy, difference, double, heads, hump, number, sbc, small, vs. This is what I gathered from info researched on the old school double-hump heads. 040 over already. The valve size in those heads was 1. Spark plug questions. If I&39;m not mistaken, they are the factory replacement heads for the "double hump". Web. 7 pa 2013. Basically, there were two versions of the 461 and 462 double hump heads. non acc. If you flow the early GM heads and flow the vortec heads and compare the numbers. Another factor that contributed to the term fuelie heads was the fact that those heads also got GIANT (at least in that day and time) 1. 5 10 bolt with 3. ICT Billet SBC LWP Alternator Bracket Double Hump Heads Adjustable Billet Kit Small Chevy 305 327 350 5. These casting identifiers have even created nicknames for certain performance heads like the famed double-hump cylinder heads. Double hump heads are an iconic symbol of muscle car culture, with their distinctive, double-hump shape. What diameter springs A 350 with flat tops and 64cc double humps should make around 101 cr. The head casting number, 3991493, is. Aug 14, 2017 &0183; CHEV FUELIE 186 HEADS - 64cc - 1. The bigger ports are worth 15-30 hp depending on engine configuration, disregard what Chevy rated them. The 461's have the smallest chamber and will help the 307 the most. couldnt pass up on a set of double hump 461 heads with sequential 64 casting dates. I think they are tempting esp given the 1300 or so all-included price. 461 double hump heads were used on 1962 to 1964 300HP 327s from the factory along with larger exhaust and a carter AFB carb and used into 65 to 67 as I recall. Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum In this. I think they are tempting esp given the 1300 or so all-included price. The smog heads typically run about 155cc also (maybe some are even less). Our Flo-Tek aluminum heads (part 7222000) are just a touch over 400 bucks each and are made from. The TrickFlow head flows quite a bit better, the Speedway head would need to be ported to equal the Trickflow. wout headers pushed 324HP. 60" exhaust valves, 1. Get the last 3 digits of the casting number and post them up for us, it&39;ll tell alot about the head. Comments welcome. Categories; Contact Us; Help Center; Dealers;. I have acquired a freshly rebuilt set of 291 double hump heads with what seems like 2. From the limited specs on hand and what I remember, FWIW, it has 10. i ported the intake runners, smoothed the short side, blended the bowl, pocket ported and resurfaced the heads. Are any of these worth a performance rebuild. Our Flo-Tek aluminum heads (part 7222000) are just a touch over 400 bucks each and are made from. 550 higher lift and increased duration adds little to flow, mild port work and a multi angle valve job by a skilled & experienced port work job can generally increase. 040" over small journal 327 in it with -041 double hump heads with 1. 1 KB Views 713. 1-330-630-1555 1-888-841-6556. The most famous heads are the 461 and 462 heads that offer 160-cc intake ports, 64-cc chambers, and 2. THINK these things are 55 years old. Then in 1964, depending on the option level of the engine, the double hump heads could have EITHER 1. The double hump heads get sold off. They have the 1. The heads required for many racing applications such as Vortec, Dart SS, Engine Quest 350I, Engine Quest Vortec, Double Hump and Open chamber heads were designed for street applications, or as street replacement heads, where the engine doesnt see much over 4,000 rpm. Before the 292s were sold to the public, Chevy sold a "492" head over the counter with angled plugs but was otherwise the same as a "186" or similar double hump head. I&39;ve run the 3030 cam and the 140 cam. Jeff found a standard-bore 1963 327 block (casting number 3782870) and. Call 800. Most Gen one SBC's only have one bolt hole in the passengers side head so the AC bracket is unusable Read more. Le Mans Master. 460-inch to. The size of the intake port on a 461X casting compares almost exactly to the late 90s Vortec head. Hot Rodz R Us, Mar 20, 2008. i bought the heads for 150, put all new valves and valve train components in for 100 and had a valve job done for 130. And they will make more power than those 461's ever will. Most all 350 heads were the large chamber type. 94 int and 1. Plus, the decks and walls are cast extra thick to increase casting strength and provide plenty of material for future porting. Headers andor extra exhaust duration helps out. &0183; return of the "double hump" General engine tech -- Drag Racing to Circle Track. The term . A few points to consider if your planning on using a pair of double hump GM 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. 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. I currently have a. They are designed to appeal to the classic-car enthusiasts who prefer the appearance of the original SBC heads, but can&x27;t find them that are still in good condition. I would still opt for a set of WP&39;s SR 2. 030 over, Comp xe250h, 461 Double Hump heads, Performer RPM Intake, 650 Holley, Summit headers, 2. The intake ports are 50. Flow numbers are without intake manifold. Outside of that, they are pretty much the same. Jeff found a standard-bore 1963 327 block (casting number 3782870) and. My new springs are the same diameter of stock, so 1. " Some of these are also nicknamed "Fuelie" heads because a version appeared on fuel-injected 327-powered Chevy. Worn out heads with deep valve seats will have more combustion chamber volume. Number 3917291 can be found on the 302, 327 and 350 engines in 1967 to 1969 models. Just changed my intake from a victor jr with a 1" spacer under the demon 650 double pumper carb to an rpm air gap dual plane without a spacer. The cylinder heads on top of that engine were the now-famous double-hump heads. With all the choices in new motors and heads these do not have the interest they once had. All my dirt track buddies use the 882 or 461 and x heads. A good running 327 with double hump heads gets pulled out and replaced by an "upgrade" 350. Smarter people throw away stock heads and even double hump heads. IF the heads were machined for the larger 2. Depending on the vehicle, the Chevy 327 could make anywhere from 210-375 horsepower and 320-360 lb-ft of torque (SAE Gross). But really 2. Those of us who learned on a typewriter were usually told to double space after a period. Web. lowes dothan al, iwillcum
Higher HP versions of the the 327 had 461 heads machined for 2. . Double hump heads
Thus, the term "Fuelie Heads" just didn&39;t stick until the double hump symbol heads appeared in 61. I really would like to raise it up to around the 101. Chevy SBC Assembled Aluminum Camel Double Hump 461 Cylinder Head made by Speedway Motors, for as low as 419. 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. The double hump or "camel hump. I have used 0437-Shortys in the past but haven&39;t been happy with them. 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. You can measure double-hump heads combustion chamber volume and get anything from 64 cc to 70 cc volume. 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. The most famous heads are the 461 and 462 heads that offer 160-cc intake ports, 64-cc chambers, and 2. Depending on the vehicle, the Chevy 327 could make anywhere from 210-375 horsepower and 320-360 lb-ft of torque (SAE Gross). Or you could just buy a set of brand new Dart or similer heads for 5 or 600 bucks and bolt them right on. Rated at 375 hp, the fuel-injected 327 was a high-winding screamer, as satisfying to drive as any big-block. 291 heads were used in 67 to 69 on 302, 327 and 350 engines. Both versions were the exact same casting with the differences only being in machining and valve sizes. Looked at my plugs and they are a little carboned up so I wanted to go to a hotter plug. 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. The 292 castings replaced the camel hump heads then Bowtie head replaced 292 head then the Vortec heads replaced the old phase 2 bowtie 034 castings. Most double hump heads were the 461 (last 3 digits of the casting number) they came on 300 Hp 327's I have a set of double hump 462's off of a 1966 350 HP 327 L79 engine. 60" valves. These heads had 62cc chambers. They are designed to appeal to the classic-car enthusiasts who prefer the appearance of the original SBC heads, but can&39;t find them that are still in good condition. Most two-headed coins are manufactured by novelty vendors for magicians to u. 94 Intake valves on them (Ive heard you can do this) and a little porting cam 480 480 (this one). Any machine work upgrades you would have done on a factory set of heads have. 1 2. 450" of valve lift). Mar 11, 2010 &0183; C6 Corvette General Discussion - 461 and 462 heads. Aluminum double hump heads would be like adding 10 horsepower due to the weight savings. The reason i asked was at the very top of the rpm range i did notice a difference in different plugs when i ran the double humps. I think 305 heads have 58CC combustion chambers, and the above named heads have 62-65 CC combustion chambers. The big valve double-hump heads have a plunge-cut done to them around each intake valve that you can see and feel This opens up the chambers anywhere from 6264 to 66. Trick Flow DHC 175 Cylinder Heads for Small Block Chevrolet TFS-30210002. A good three angle valve job, backcutting the valves and increasing valve size to 2. 94in intake valves. A few points to consider if your planning on using a pair of double hump GM heads. 60 inch (up from the 1. Le Mans Master. You wouldn't want to use the old 327210 heads, the double humps as mentioned above are a great improvement, even without port work, the bump in compression and. These had the 1. The 300HP version, as stated above, had the 1. Yes, Chevy did make a factory angle plug &39;492 heads. Those double-hump heads generally have 64cc chambers. also I have an msd 6al box on a stock distributer wa points conversion kit in it. A good running 327 with double hump heads gets pulled out and replaced by an "upgrade" 350. 355 C. 99 Summit Racing Cast Iron Cylinder Heads for Small Chevy Cylinder Head, Cast Iron, Assembled, 72cc Chamber, 165cc Intake Runner, Chevy, 302, 327, 350, 400, Each See More Specifications Check the Fit Estimated Ship Date Today Would you rather pick it up Select Location Free Shipping Prop 65 Warning Add To Cart Beat A Price Guarantee. Check out these Chevrolet double-hump cylinder heads and you&39;ll find out why most are the same but NOT equal Check out the details, modifications, and tests we run on various types of heads,. 60-inch valve sizes. Headers andor extra exhaust duration helps out. 6 intakeexhaust valve job, they were at least as effective as the expensive and illegal double hump heads. dyno jonn. 7L V8 Designed & Manufactured in the USA 551576. He had stock double hump heads and used Elgin RV943X valve springs and ER-3976K retainers. joel, Jan 25, 2020. The 3917292 was found on 1968 327 and 350 engines, had 1. 60" valved -461's in my garage now. SHARE POST 7. An Authentic Aluminum Reproduction of Chevys Camel Hump Fuelie Heads. I plan to change cams , put a high rise aluminum intake (not sure what brand yet , suggestions welcomed). Years ago i ran the double hump heads. If its not what you want you can always change the heads and cam to something else. Out of the box, Vortec heads are capable of handling up to 480 HP on a 350 CI engine, whereas the 3890462 double hump heads with 2. (7) Estimated Ship Date Feb 14, 2024 (if ordered today) Free Shipping. plan to run a tunnel ram (cool). Double hump heads were good years ago but have very small ports (160cc) and flow 30 to 50 less cfm than any aftermarket head. Any machine work upgrades you would have done on a factory set of heads have. Web. The stock 283 used a 58cc chamber. Just changed my intake from a victor jr with a 1" spacer under the demon 650 double pumper carb to an rpm air gap dual plane without a spacer. 55-inch valves, a 64 cc chamber, and a high-velocity port. Please impress me with your old school. custom ground into that blade. 00 work to get them compatible to modern gasoline. Talk to the experts. The Citadel, "Chaaston" South Carolina 67 Chevelle Crew Cab. Look for the distinct double hump casting on the ends of the head. 15 maj 2020. Find cast numbers. Wickenburg New aluminum SBC Chevy heads pair. May 29, 2019 Re Trick Flow 175cc "Double hump" heads. The 461 heads were the first heads to use the 1. 165-180 cranking PSI in all cylinders. Double hump heads were good years ago but have very small ports (160cc) and flow 30 to 50 less cfm than any aftermarket head. 480" or less with a factory spring shimmed up to 100ish pounds at the seat. 5 or 2. 60" valves. Sold individually. Jul 17, 2022 &0183; The top image is the original double hump casting identifier and even though some do not consider the bottom one a double hump it is, but was modified because Chevrolet changed the heads to include accessory bolt holes. None had headers,I beleive all had the rams horn. 283, 302, 307, 327, 350, 383, Bare Cylinder Head Style. In 1961 Chev offered the 461462 camel double hump heads on the 283 as found in the the 315HP Corvette. Most Gen one SBC's only have one bolt hole in the passengers side head so the AC bracket is unusable Read more. Find out how to improve the air flow and performance of your cylinder. How Fuelie Cylinder Heads Launched SBC Performance. When smartwatches first came onto the tech scene, many users were excited about the idea of wearing the James Bond-worthy, high-tech devices that could take calls, respond to text messages, organize schedules and browse the web. pad on the ends. 75 to 1 CR. eBay Product ID. The extended tip does not foul out as easy as the std. Then in 1964, depending on the option level of the engine, the double hump heads could have EITHER 1. 060" thick Shim on the seat. Nov 7, 2019 Today in the shop were learning about our new aluminum double hump cylinder heads for the small block Chevy V8. Mesa 1962 Chevrolet Chevy Corvette 327 Matching Heads 3782461 E-10-2. And cc them regardless so you know exactly how big their chambers are They both should have about 160 cc intake ports. All for 0. Oct 16, 2014 A real shocker to me. . event planning jobs nyc