car is takin so long to get up to revs 6800 at 330 foot engine isn't in power band yet that's why I'm thinking lower gear. W2 race heads[closed chamber] and 640/640 lift at 272/280 . got to get those revs up or am I wrong
I'm not sure. If it is slow building engine speed it could be a tune up issue. You sure the converter isn't junk? That short tire should need a 4.88 but without the math I use I wouldn't trust that. A 5.13 isn't out of the question.
Most guys don't run near enough gear. I'd rather have a bit more gear and cross at 7500 then to enough and cross at 6800.
