I wouldn't mind it so much if my vacuum didn't fluctuate. WHatever the problem is it's causing me to fluctuate 2 inches of vacuum, from around 11.5 to 13-14 simultaneous with the whistle from underneath the upper manifold. This is all about 30 seconds after the engine runs.
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Red 1993 GT Street Machine
Best E.T. - 12.41/Best MPH = 108
Engine is a 1969 351 block w/393 stroker kit. Dynamic Roller Myte C4, 8 pt cage. Edlebrock Performer heads and Victor Jr. EFI, FRPP 30lb injectors & Cartech fuel system. MSD ignition. Sothside Machine bars & Sub-frames, adj. upper's, 3.73's, Koni rear shocks, much more
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