Quote:
Originally Posted by NicFromTheNorth
Also, in hindsight, I would have bought the overpipe too.
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Have you tried Wayno's tune for regular EL headers?
ACE are a bit different, in that the 'overpipe' is actually the last merge collector in the '4-2-1' series, so the 'merging' is done over a much longer pipe length overall. With the JDL, the merging is all done before the overpipe junction.
All Wayno's EL tunes have zero per cylinder compensation, but his ACE maps run quite a bit more timing than his other EL maps. Really want to see you succeed, but we may all be hoping for too much from the JDL design, to expect it to run right on an off-the-shelf ACE tune.