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Original Message
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| I'm thinking you're lucky. |
| By Dave Shoe - 07/01/2003 4:14:44 PM; IP 12.2.11.131 |
Many 1966-later heads did not have all that great a mismatch between the head and the Performer intake. I suspect you are one of the lucky ones who scored large runner C6AE-R heads (found on about 1/3 of all FEs in 1966-67 only), instead of the smaller runner C6AE-J, C6AE-L, C6AE-U, or C6AE-Y head castings also available in 1966.
The plain Performer (a.k.a.: Performer 390)manifold will perform better than your stock intake, but not a whole lot better. A better intake is the "Performer RPM", if waking up the engine is what you want to do. The RPM is a versatile intake, capable of running mild to wild, small to large displacements.
If you do have the small runner variety of heads and still note the discrepancy, this is material which can be ported from the intake, though I still wouldn't expect the Performer to ever really liven up. It may have a hot name, but it's a mild intake.
Shoe. |
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