Quote:
Originally Posted by BigDan
I thought the Hennessey guys were already making 600whp with the stock heads (maggie + cam) now its a few whp less with ported heads.
I dont get it 
Does it include ARP head studs? |
I'm not sure, but I think that number was achieved on a race gas mix etc ... so this is impressive with only 6psi and 92 pump gas !
Crowley