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 …

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. Tracer64: …

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 …

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 :)

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 intake volume …

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 …

Aug 3, 2008 · The Edelbrock air-gap design utilizes the same race-winning technology that's been used on Edelbrock's Victor Series competition intakes for many years. The RPM Air-Gap manifold for 351 …

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 …

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 …

May 15, 2006 · Intake Runner: as cast 200cc Peak Intake Flow @ 28": 286cfm @ .700 lift Valves: 2.02" intake/1.60" exhaust Intake Manifold: Edelbrock 5021 Intake Gasket: Fel-Pro #1262 Spark Plug …