What did the 461X heads come on?
Beginning in 1962, “461X” heads are used on SHP and FI engines (340 and 360 HP). This same year the 3782461 (no “X”) shows up on 300 HP medium performance engine; 461 has slightly smaller port volume (160 vs. 175cc), which is more compatible with the lower operating speed range of medium performance engines.
How do I know if my Chevy has double hump heads?
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 are also nicknamed “Fuelie” heads because a version appeared on fuel-injected 327-powered Chevy Corvettes.
What is a 23 degree small block Chevy?
New for 2012 is the CHI range of Chevy heads, our 23 degree Small Block head is a 215cc intake head designed for circle track or drag racers who want to benefit from significant horsepower increases and less weight of traditional performance chevy heads.
What are 462 double hump heads?
462’s were one of the best flowing production heads. They were used between 1962-1968 on various HP versions of the 302, 327 and 350. They came with either 1.94/1.50 or 2.02/1.60 valves, had 64CC combustion chambers, intake port volume should be 161CC’s, exhaust port volume should be 65CC’s.
What are 461X heads?
The 461X heads are 61-63 ONLY. They ONLY came with 1.94/1.5 valves, and as mentioned, they had about 170cc intakes. PERIOD. The 461 heads were 64-66 ONLY. They could have EITHER 1.94/1.5, or, 2.02/1.6 valves, depending on engine application (350, 365, 375hp/327).
How good are 882 Chevy heads?
The 441 has a reputation as a good-flowing head among the production 76cc chamber heads. In this particular case, it lost out to the 882 head, but overall it’s a decent head that responds well to pocket port work and larger 2.02/1.94 valves….
| GM 882 IRON | |
|---|---|
| Port: | 151 cc |
| Valves Sizes: | 1.94/1.50 |
| I Flow @ 0.400: | 203 cfm |
What is the difference between 18 and 23 degree heads?
The 18 degree heads are also taller than their 23 degree cousins, and require longer valves and special head studs. Eighteen degree pistons with domes and valve reliefs matched to the combustion chamber shape and valve locations are needed.
What are 23 degree cylinder heads?
How good are 462 heads?
They’re not a bad head, probably comparable to the L98 heads used on ZZ3’s & 4’s, but not as good as what’s available now. 462’s were one of the best flowing production heads. They were used between 1962-1968 on various HP versions of the 302, 327 and 350.
How much are camel hump heads?
Compare with similar items
| This item Chevy SBC Assembled Aluminum Camel Double Hump 461 Cylinder Head | |
|---|---|
| Price | $64999 |
| Sold By | Speedway Motors |
| Item Dimensions | 22 x 10 x 7 inches |
| Item Weight | 27.00 lbs |
What is a 882 head?
The 882 heads are smog heads from ’74 to ’80 and not very well regarded, but neither are stock ’85 heads – if you can find out more about the 882’s they may be better than your stock ’85 heads – ie not only polished & ported but if milled so they will give higher compression and if valves were changed to 2.02 etc they …