Quote:
Originally Posted by Kingtal0n
yeah but the torque from a 2871 comes out 1000 rpm sooner and sits on an OEM exhaust manifold.
also, 27psi on 93 octane sounds like abuse
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You sure about that?
THIS is the highest power 2871 build I found on Evans Tuning dynosheet database and it's making 320ft-lbs at 4k rpm. The 6258 dyno I just posted is making nearly the same at 4k (310ft-lbs).
Keep in mind the 6258 is on a stock head too, this 2871 dyno has cams. And the OEM manifold is an advantage in the case that we're talking spool. It's shorter than a tubular, so it spools quicker.
I really don't think you're going to be able to find a 2871 stock SR on 93 that makes 310ft-lbs at 3k, that's ridiculously early torque.