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Original Message
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| RE: head cast # |
| By McQ - 10/30/2003 10:59:45 PM; IP 65.176.65.177 |
Hey giacamo, you don't mean a '64-'65 matching cast iron 390-4V intake do you?
Really, they're a piece! Sure they have the large matching runners but in reality the '66 & later -S- intake is better. I know the runner exits to ports are smaller on the C6AE, C8AE, etc. but there was a reason for that - bottom end torque/power due to better velocity. It's a mismatch that works. A '66 & later iron intake will provide sharper-crisper away from the stop sign than the old style, very low & flat '65 back to '58. The '66-later intakes are a great bolt on for tall or short port heads, i.e., C6-U, C7AE, C8AE-H, D2TE.
However the reverse is not good, that is a '65 & back cast iron or aluminum tall runner exit port to the short port heads mentioned above. That's a mismatch that is not a good thing.
I've got a complete '65 390 4V w/C4AE-G heads and one of those flatty-takes. It was all I had when I screwed that thing togethermany years ago for the '68 F100. It's stock with the exception of a C6OZ-B camshaft and Hedman F100 headers. It runs very nicely for haulin' stuff but I need to muster the gumption to lift that hunk-o-flat iron off this winter and install one of my couple of -S- intakes or better yet maybe I should just bolt on the C8OE iron CJ..... probably not. Nothing leaks and it starts and runs just great. |
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