Put 1/2"-13 studs in the block and machine the heads for them. The 11mm-2pitch thread is .0769 and the 1/2-13 is .0787 spaced. This is a very common mod engine builders are doing to secure the heads on really HP engines.
Put 1/2"-13 studs in the block and machine the heads for them. The 11mm-2pitch thread is .0769 and the 1/2-13 is .0787 spaced. This is a very common mod engine builders are doing to secure the heads on really HP engines.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
funny that this is supposly needed when you have ppl using stock size hardware making big power without over sized studs. Fire rings are a better mod then oversized head distorting studsOriginally Posted by RedHeartbeat
2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
2002 Silverado - 427Lsx w/ Twin gt4202s
2010 Silverado crewcab Z71 - 5.3litre w/ procharger
2000 Wrangler - 5.3litre with some stance
2014 Xsport- 3.5 Eco boost
412 Motorsports
it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference
Posting Permissions
Reply With Quote