looking at a .640 lift cam..... have a feeling it will not clear... anyone know for sure how big you can go???

 

99-TR-TRAK Thunder Racing Custom "TRAK" Camshaft - 231/234 .640/.590 112 LSA 2400-6800 RPM Power Band. Excellent mid-range & high RPM power. 3200+ stall, 3.42+ gear, computer tuning required. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended. Comp 921 Valve Springs are highly recommended. (Special Ends 11/03/2005) Sale! $366.59