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I dont know were the rumor started that vacume advance vac source is Ported . BUT its wrong. You always set initial with the vac hose disconnected because if you didnt the distributor would be adding extra timing. And thats with vac hose to manifold vacume. If it were ported vac it wouldnt...

Realy all you need is a 440 or 413 crank and rods then Diamond or Ross pistons. Flat tops are ussualy on the shelf but pop ups are custom. Check with the piston manufactuer before you bore. I belive they will be a .035 overbore rather than std..020 or .030, .040. The crank would then have to be...

If you have a buddy that does good machine work thats worth a bunch.For the heads some people dont like the Edelbrock heads. But on my 451 they make 550 hp and are out of the box except the springs. I went with a dual spring set up because I'm using a Racer Brown cam. It has fast ramp speeds to...

The 383 will make a nice motor as a 431. It would cost the same to make a 451 out of a 400. You can still get those blocks pretty cheap.The real cost comes after the kit. Boring which is .035 over bore. I wouldnt go the max as you wont have anything to work with later. Line honing milling the...

Hey. 40 degrees is to much the problem is your motor needs more initial timing to bring the vacume up to were the carb can be adjusted. with stock curve you set the total at 40 that allows the initial to be were the motor wants to be or close. Shortren up the total advance so you are in the 34...