car problem(s)

i have a 1972 motor with a 40mm kadron and i think its a piece of shit but but my car keeps back firing and its starting to piss me off and i dont my full pedal like when i step on the gas pedal my friend can go on the carb. and push it down more. can some one help me with this damn problem:banghead: .. thanx

Kenny

your carb might be giving out too much gas so lean it up alittle and what kind of pedal are u using? i have the roller pedal and u can adjust it to give alot more throddle. theyre cheap too.

also check your timing advance it as see if it still backfires.