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82 GT · 09-09-2006, 04:14 PM

As most of you know, my car has run a best of 12.85@102mph and that MPH is a little low.

I discovered that my 750dp, that I bought on Ebay has a blocked secondary PV. Doesn't rear jetting need to be increased 8 sizes to compensate?
If I'm running 72/80 jets now, shouldn't I have 88's in the rear?
If all this is true, would that be a major reason why my MPH is low?
That would be GREAT if a simple jet change would increase my MPH and E.T!......but I'm not getting my hopes up though...LOL

09-09-2006, 04:14 PM	#1
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	Could it be THIS simple? As most of you know, my car has run a best of 12.85@102mph and that MPH is a little low. I discovered that my 750dp, that I bought on Ebay has a blocked secondary PV. Doesn't rear jetting need to be increased 8 sizes to compensate? If I'm running 72/80 jets now, shouldn't I have 88's in the rear? If all this is true, would that be a major reason why my MPH is low? That would be GREAT if a simple jet change would increase my MPH and E.T!......but I'm not getting my hopes up though...LOL __________________ '82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator.