Nov 29, 2004 · The IMRC'S (intake manifold runner control) are what make an intake both a long runner and short runner intake. For upper rpm power or wide open throttle the butterflies open, for just …

Dec 31, 2004 · All stock manifolds have runner imbalance, which can be fixed with PROPER porting. As an example, a 302 Victor Jr. manifold has average runner flow numbers ranging from 265 to 290 …

Apr 20, 2012 · Did you retighten the intake bolts a couple of times after running the motor? It shouldn't be done repeatedly, only a few times or else you will crush the gasket so much that it will no longer …

Nov 24, 2003 · Could someone enlighten me to a good road race intake manifold for a BOSS 302 engine utilizing 12:1 compression? The reason I ask is because I am pricing one of these for a client …

May 11, 2008 · Has anybody tried using a box type upper intake manifold running n/a or have any info I can read? 383 w/ GT40 Mass Air :)

Feb 18, 2004 · The manifold dilemma Using a single-plane intake manifold as an example, you must first realize how a single-plane intake manifold functions. Generally, a single-plane intake includes a …

Sep 25, 2007 · This engine has had a sealing issue since day one over 3 years ago. Oil would get sucked into the intake ports from the bottom of the intake gasket. When I built the engine originally, I …

Jul 18, 2014 · That manifold is not the same as the ones that were on the Cobras! I had a 1966 289 ho po with a cobra kit and the manifold was a lot higher than that! That Manifold is a Aluminum stock 4v …

Aug 26, 2012 · I'm a UK member and am currently building a 347 stroker based on a 1986 302W block. I have been recommended to use a Holley 670cfm "Street Avenger" carb with this set up, but am not …

Mar 27, 2009 · I am assuming that you have drilled and tapped an inlet for a fitting in the side (or rear) of the intake manifold carburetor plenum (above runner separation). This is correct if you haven't the …