I also use the holley but I don't have any engine bay pics and it's on a 302. I have not had the chance to use the RPMII yet but I like the looks of it and Ebrock has good quality intakes IMO. The Holley will move enough air with a 331 to go extremely quick and I would suggest using it over the RPMII based on your 331. With a 302/306 motor I'd give the RPMII a try because it has a bit smaller cross section.
RPMII vs Holley SysteMAX vs Trickflow R
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Check my post on hardcore50.com I'm debating about the same thing, but im trying to decide on the TFS R or the victor 5.0. http://bbs.hardcore50.com/vbulletin/showthread.php?t=19634
Whats your combo gonna be? Your car is a Lot heavier than mine, so keep that in mind. I personally think the holley or the rpm 2 is fine for what you plan considering the heavy weight. I want a bit more and im doing crazy homework on this. I was deciding between the rpm 2 and the holley and now its the R or the victor 5.0. The guy doing my cam says these 2 should work awesome with what I want AND i'll still have awesome low end torque which is a MUST to me!! I'm leaning towards the TFS R.
Whats your combo gonna be? Your car is a Lot heavier than mine, so keep that in mind. I personally think the holley or the rpm 2 is fine for what you plan considering the heavy weight. I want a bit more and im doing crazy homework on this. I was deciding between the rpm 2 and the holley and now its the R or the victor 5.0. The guy doing my cam says these 2 should work awesome with what I want AND i'll still have awesome low end torque which is a MUST to me!! I'm leaning towards the TFS R.
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