when i have it in any gear except 1st at a low rpm and give it throttle i hear like metal to metal nosie it almost sonds like my cams chattering but i cant tell i have tied everything down in my engine bay there for it does not move and it happens the most in 5th like at 3grand going up a hill almost like when i put a hard load on it

i have a ls/vtec jdm gsr pistons/gsr head/ gsr cams/ ls rods and crank

please help