1969 Dodge Dart GT 360 out of a 78 chrysler new stock cast crank, stock rods and bolts , speed pro hyper 4 valve relief pistons, comp xe284 hyd cam, mopar ductile rockers studed with crane adjusters (dont ask why I had to upgrade), ede heads mild port, ede air gap, 750 street hp dbl pumper, carter high flow mech pump, headman bomber headers, MSD PRO BILLET dist 13 base 32 total, msd 6al box, 727 2800 midwest converter, b&m mega shifter, 8 3/4 3.91 richmond

I have only been able to get 4-6 mpg. Plugs look golden brown but while idling in gear at a stop sign it starts to load up. While cruising in town lower rpm it pops out the exhaust.

It has no hesitation or stumble at wot

I have a 600 dp laying around wondering if its worth a try and what jets I should start with.


4150hp 750 dp I curently am using has 68's and 74's with a 4.5 pv