i have a 1500 H motor it has the distributer in backwards. i think well i can get it it run good but has a back fire in the high to low idel. no leaks or any thing like that has a vacume distributer. and stock carb and new fuel pump. but this is the other had changed the fuel pump gaskets as it had a leak and now i am finding gas in the oil and it is leaking but oil is good on stick. any help
