350 With Double Hump Heads Horsepower Ict Billet Sbc Alternator Power Steering Pump Accessory
The x heads were the first design fi heads in 61. A 1961 corvette fi 283 / 315 hp had the famous “double hump” or “fuelie” heads, casting #3782461. Your heads are the 350hp heads with the larger valves.
1970 Chevrolet C10 Stepside Pickup For SaleRebuilt 350 / Double Hump
350 hp double hump head are high compression ,if you are building it ,then you will have to make sure that squish/quench area is around.040 ,if not ,you will have detonation. I plan on doing some porting and polishing on them. If the heads have the little x near the front or rear underneath, they are generally worth more than the non x heads.
Those 327 heads will more than likely raise the compression ratio of the motor and add some power as they are smaller cc than the stock 190hp 350 head of 71.
The double humps 461's an 462's are where the 062 vortecs are now. To double hump heads are thinking the 300 hp smaller valve heads, or at least i do. Well with a set of 291 camel hump heads, no intake runner porting, no chamber porting, bowl ported, 2.02/1.6 valves installed, exhaust runners ported smooth then polished. I'm shootng for 450 hp, so i hope the 64cc.
Check out the details, modifications, and tests we run on. With more aggressive cam, and a little head work and improved headers, 400 hp was obtainable. On the 67 and 68 350's, the camel hump heads were standard, the true fueler heads were not used after the 65 corvette, but the same castings were used on the 66 and 67. I have 72cc heads on my 350 right now, and it dyno'd at a little over 400 hp.
S10 350 492 double hump heads YouTube
On my low compression 350 i'm running bone stock gm votec heads ( with.050 cheater keepers) and self locating rockers, steel shim gaskets for proper quench, gm.
That said, while a stock 350 chevy may only have 200 or so hp, you can easily make 300 horsepower with a 350 chevy budget build and upwards of 600 horsepower with a.
Technical SBC Double hump heads The H.A.M.B.
1970 Chevrolet C10 Stepside Pickup For SaleRebuilt 350 / Double Hump
ICT Billet SBC Alternator/Power Steering Pump Accessory
Rebuilt 1975 Chevy 350 4 Barrel, Double Hump Heads, Engine Motor w
