750 DP with HP main body swap.
07-11-2008, 06:44 AM
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750 DP with HP main body swap.
Hi Everyone,
I'm running #88's primary and secondary in my 750DP with HP main body swap. I'm still finding that the car has a lean bog at cruise. My power valve is a 4.5 unit, as my idle vaccum is roughly 7-10"Hg. The sparkplugs also show lean! My experience tell me to bump up the jet even further, because it seems toimprove,to smooth it out, but #88's are huge already, IMO. Any opinions, ideas, things to try. In the past, with stockHolley's I've never had to work this hard to tune it in. I'm very sure I have no air leaks. Has anyone out theredone any tuning withthe emulsion jets/air bleeds?
Thanks,
Indy
I'm running #88's primary and secondary in my 750DP with HP main body swap. I'm still finding that the car has a lean bog at cruise. My power valve is a 4.5 unit, as my idle vaccum is roughly 7-10"Hg. The sparkplugs also show lean! My experience tell me to bump up the jet even further, because it seems toimprove,to smooth it out, but #88's are huge already, IMO. Any opinions, ideas, things to try. In the past, with stockHolley's I've never had to work this hard to tune it in. I'm very sure I have no air leaks. Has anyone out theredone any tuning withthe emulsion jets/air bleeds?
Thanks,
Indy
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