Roberto, I'm not really suggesting you "should" change to the Summit cam, I'm just saying it will be quieter. The XE/HL cams make good power up to the limiting rpm of the lifters(usually around 5500rpm). If you're happy with the performance, then you'll just have to get used to the noise.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
