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post #1 of 4 (permalink) Old May 15th, 00, 12:16 PM Thread Starter
Join Date: May 2000
Location: PC, FL
Posts: 1
Can anyone tell me about camel back or Double humps heads? Was told my 327 had'em and it was a good thing. Could this be what determines a 275 v 210 Hp 327 engine? Thanx
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post #2 of 4 (permalink) Old May 15th, 00, 03:46 PM
David Pozzi
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Join Date: Nov 1999
Location: Central California, USA
Posts: 10,061
The "double hump" heads were used on 4V engines, they had 2.94" intakes, and 1.50" exhaust valves. The 302 had the same castings with larger valves, 2.02", and 1.60".
The 2V had smaller valves, and a different casting with smaller ports, and larger combustion chambers to lower the compression for regular gas.
I believe chevy used the same short block for the Camaro 327 engines and the only difference between the 2V and 4V engines was the heads, intake and carb.
The 302 was a "Special High Performance engine with better crank, bearings, rings, heads, block, valves, intake and carb.

The older I get, the faster I was!
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post #3 of 4 (permalink) Old May 16th, 00, 03:24 AM
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Join Date: Apr 1999
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Typo in David's post, it should say 1.94" not 2.94" intakes...

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post #4 of 4 (permalink) Old May 16th, 00, 03:58 PM
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Join Date: Feb 2000
Location: Southern, MN, USA
Posts: 226
These heads really are nice. They are original with the engine. And it is a 327/275 HP. The manifold and block is the same as a z28. same casting numbers. The only real difference I think between my engine and a z28. Is me not having a 283 crank.

[This message has been edited by Baby68RS (edited 05-16-2000).]
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