World Warhawk LS1X Heads
Staging Lane
Joined: Mar 2008
Posts: 80
Likes: 0
From: ballarat.vic.australia
if it is of some use just been down this track,used brand new 6.0lt cast block,sonic tested it,1 bore down near bottom was 7.6mm thick,everywhere else 9.0mm.we bored it
straight to 4.125",fitted 4.00" crank,427 cubes.....l92 heads all ports standard,psi springs,
255/264@.050,114,.635"/.635",rollmaster,25% under powerbond pulley,90mm holley on std large port gm manifold,60lb siemans injectors,1.875" extractors,3500 conv,3.70 9".
10.5:1 comp,runs great pulls like a train,330rwkw with safe tune.
cheers dave.....
_______________________________________
vn commodore, iron 427,daily driver,330rwkws...
straight to 4.125",fitted 4.00" crank,427 cubes.....l92 heads all ports standard,psi springs,
255/264@.050,114,.635"/.635",rollmaster,25% under powerbond pulley,90mm holley on std large port gm manifold,60lb siemans injectors,1.875" extractors,3500 conv,3.70 9".
10.5:1 comp,runs great pulls like a train,330rwkw with safe tune.
cheers dave.....
_______________________________________
vn commodore, iron 427,daily driver,330rwkws...
I may be trying another head besides the LSX1. Thinking of bolting on the Livernoise Stg 3R head and see how that plans out. Any insight on that particular head orthe regular Stg 3?
