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, …

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 …

Feb 9, 2007 · Thanks for the info Jim! Are your measurements from a 351w manifold? Those runner lengths look REAL long for a 302 intake, especially for the short runners! Just curious. …

Nov 25, 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 …

Feb 2, 2008 · Anyone know where I can get cfm specs for my stock 351W? Looking for info on intake manifold, heads, exhaust manifold. I'd like to have a baseline to work...

Sep 10, 2015 · The same is true for intake volume. As a general rule, you want the smallest runner to meet the flow you need, this keeps the port responsive. Another general rule, larger …

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 :)

Aug 24, 2004 · NTMan 403 posts · Joined 2004 #4 · Aug 24, 2004 On 2004-08-24 15:49, ishelz wrote: Vacuum - Does distributor goes to carb? Tranny modulator to back of intake manifold? …

Jul 18, 2014 · Yep, that's a pre'64-style Tiger or Cobra optional manifold. Note the lettering area on runner #1 is milled. Also note the Holman-Moody lettering is missing. This tends to indicate …

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 …