Original Message
RE: Opinion 390 intake maniifold
By galaxie390 - 02/10/2004 10:04:10 PM; IP 216.38.139.218
Lew,
If you had a Galaxie or Truck I would say maybe the Performer, but on a light Mustang go with the RPM, DEFINITELY. Definitely.
It will add about 10-15 hp. Where is that from? Check out the old Muscle Parts books - and the very similar 428pi intake.

So you will add about 1.5 mph or so and at least a full car length at the strip.
Oh I forgot - it's also 50 lb off the front end so on a Mustang that will be worth nearly 0.1 sec also.

The cam you have is very close to the 390gt/428cj, way bigger than stock 390.

So your 390 - uh, I mean, your "402" - should make about an honest 335 ghp set up this way.
This thread, so far...
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 Opinion 390 intake maniifold -- Lew, 02/05/2004
 RE: Opinion 390 intake maniifold -- Tim P., 02/05/2004
RE: Opinion 390 intake maniifold -- galaxie390, 02/10/2004
 RE: Opinion 390 intake maniifold -- warren, 03/13/2004
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