450 crankHP on 03 hummer h2?
11-09-2016, 12:05 AM
#1
Registered User
Thread Starter
Join Date: Nov 2016
Posts: 1
Likes: 0
Received 0 Likes
on
0 Posts
450 crankHP on 03 hummer h2? I have $1200 to spend on parts (tune separate). I was wondering if just a new cam will get me to 450 crank hp on the lq4. Or will I need new heads/intake to get me there?
11-09-2016, 08:36 AM
#2
Could send your 317 castings to AI for a performance rebuild with new springs to match the camshaft. Mill them .020" and run thinner Cometic head gaskets to get the compression up to ten
Cam in the 218 range with long tube headers should get you close to your goal
Cam in the 218 range with long tube headers should get you close to your goal