I've trying to get my choke set properly. 70 RR 440 six barrell. When I start it up cold. I set the choke & get a small backfire thru the carb when i start it. Is the choke set to tight or is it open too much ??
it's closing all but 3/16".When you pump the gas is the choke plate closing all the way?
Stock cam. 36 total all in, 10 initial. I believe it's choke & fast idle start up setting.Where's the timing set ? Every Mopar I've owned liked more initial timing, though not more than 36 total (mechanical).
And the "bigger" the cam, the more initial they liked. Dead stock, 10-12 degrees initial wakes 'em up.