is it okay to slap the ls throtle body on a skunk2 manifold.?whats the different between a ls throttle body and a gsr throttle body.am i gonna lose any power ?cuh i right im runnin a gsr one.. i'm havin problem with my gas pedal too. when i start it up its idles at 1000rpm.after i take it for a ride.it'll jump too 2000rpm and stay there.. wat can be my problem?