Bigger cam, smaller/looser 8 inch convertor.. I go 10.70s with an 8 inch convertor with 4.30s but its a 408, 11.30s with an old 340 9 1/2 to 1 comp, 557 lift cam same convertor but 4.56s
Converter. Maybe the OP has a buddy he can borrow one from. Done that many a times. Mopar guys are typically harder to do that with however I don't know his network. But in today's market a good converter that really tweaks your combo ain't cheap. But the right one is a game changer....
