DiscoClax Posted September 11, 2012 Share Posted September 11, 2012 G'day all, Has anyone got the standard factory advance curves (spec or measured) for a 3.9 serp interim? I am going to drop in a high comp stroker in the next couple of months and am trying to work out if a standard dizzy will do the job (retimed) or a re-graph is mandatory. So I'd like a baseline to work from. By current dizzy needs a rebuild - so i can't just work out the standard curve from it. I have spare dizzys that are either 2 or 3-pin, single or dual stage (mech advance). It seems that any new dizzy on the market is a one-spec-suits-all and that doesn't ring true given the vast myriad variations of Rover V8s (3.5, 3.9, 4.2, 4.6, high-comp, low-comp, with cats, without, etc, etc.) Cheers in advance Quote Link to comment Share on other sites More sharing options...
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