there has to be some thing wrong with that because i have a gsr swap in my ek with type r cams and vafc, thts not even tuned and i ran an ls eg with intake headers and exhaust and a stage 3,4 puck clutch with lightened fly wheel and took that thing for a walk in the park? and ef weighs about 1500 lbs correct and the eg a bout 2500lbs some thing does not seem right