quote:Originally posted by Aus Ford:quote:.. Intake is RPM airgap Also looking for distributor and carb recommendations.
Forget the carbs....go for injection, a throttle body setup should go well on the RPM airgap. You will need at least 1000cfm throttle body.
The distributor should be set between 16 and 20 degrees of advance (initial), total timing 34 to 36 that's with the vacume disconnected, vacume advance is to allow your car to run at highway speeds with fuel economy due to high advance numbers like 42 to 46 degrees of advance, this is only at high vacume or just above idle i.e. highway cruising.Most built engines those with high performance cams don't use a vacume advance, as vacume is 18 to 20 inches in a stock cam, a street racer will only have 13 to 10, drag cars 4 to 6. a good carb for your application would be a 3310 vacume secondary carb, commonly called a 4410 ( double pumper) the 3310 does not share the secondary accelerator pump, but utilizes the venture vacume to open the secondary butterfly s, this carb is very trouble free and inexpensive ( you could buy 4 of these for the price of fuel injection)This is the carb that was on the SS 396 and other notable muscle cars of the 60's. Any of the electronic distributors will work fine, and they give you the advantage of full adjustment (timing)I like the ones with dial pots and rev limiters.The main asset of the 302 heads are flow and they need a good set of headers and a large air filter, sounds funny but these two simple thing can rob you of all the potential in your heads, a small air filter will not adequately provide 750 cubic feet per minute of air flow. You can learn alote from the mistakes of other owners who have tried just about every engine and cam cab set-up