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what is IMO ? where i can find it ?
Generally if your motor spends the most of it's time (say 85-90%) on the street between 2500 and 4000 rpm a good dual plane like the Edelbrock Performer RPM or The old LD340. If you run a lot of gear, a 4 speed or a lot of stall 3200+ Generally a good single plane like the Holley Strip Dominator or the Eddie Victor 340 will work better.....by better I mean will produce the highest average torque throughout the powerband you run the most. The compromise is how much low end torque are you will ing to lose to gain how much above say 4000rpm where a single plane will start to show an advantage....every combination is different but with a mild 340 in an A body the performer RPM (or it's air gap alternative) is a pretty good choice unless you have really good heads becuase the intake alone doesn't make the big top end power pay off interms of ET...it's the combination of compression, head flow induction (intake and carb), exhaust flow and gearing.
Last edited by Streetwize; 12/29/08 07:08 PM.
