Forge factory LS6 or go bigger?
Thread Starter
Instructor
Joined: Nov 2008
Posts: 234
Likes: 9
Forge factory LS6 or go bigger?
Car is a 2004 Z06 with TFS 220 heads and a stage 1 BTR Centri cam running the A&A Vortech V3 Ti blower.
I'd like to reuse those parts if at all possible. I'm either considering pulling the internals out of the LS6 and putting forged in and calling it a day, or going with a bigger CI, but then I doubt I'd be able to effectively reuse the heads/cam combo that I currently have.
What do you guys think?
Also, is there anyone in the Illinois area that you'd recommend to rebuild the shortblock with forged internals?
Thanks!
I'd like to reuse those parts if at all possible. I'm either considering pulling the internals out of the LS6 and putting forged in and calling it a day, or going with a bigger CI, but then I doubt I'd be able to effectively reuse the heads/cam combo that I currently have.
What do you guys think?
Also, is there anyone in the Illinois area that you'd recommend to rebuild the shortblock with forged internals?
Thanks!
Drifting
Joined: Jul 2004
Posts: 1,679
Likes: 692
From: Pingree Grove IL
Dan Bills at Finish Line Performance in Plainfield IL can point you in the right direction. If you don’t plan on building it yourself, Dan can build and tune it too. He would have to send the short block out to a machine shop. Keep your block, just forge the internals and put the proper pistons in for boost.
Tech Contributor
Joined: Jan 2007
Posts: 19,472
Likes: 1,171
From: Dyer, IN
Car is a 2004 Z06 with TFS 220 heads and a stage 1 BTR Centri cam running the A&A Vortech V3 Ti blower.
I'd like to reuse those parts if at all possible. I'm either considering pulling the internals out of the LS6 and putting forged in and calling it a day, or going with a bigger CI, but then I doubt I'd be able to effectively reuse the heads/cam combo that I currently have.
What do you guys think?
Also, is there anyone in the Illinois area that you'd recommend to rebuild the shortblock with forged internals?
Thanks!
I'd like to reuse those parts if at all possible. I'm either considering pulling the internals out of the LS6 and putting forged in and calling it a day, or going with a bigger CI, but then I doubt I'd be able to effectively reuse the heads/cam combo that I currently have.
What do you guys think?
Also, is there anyone in the Illinois area that you'd recommend to rebuild the shortblock with forged internals?
Thanks!
Pro
Joined: Jan 2001
Posts: 649
Likes: 348
From: San Jose CA
Stroking the LS1/6 isn't worth the trouble IMHO. Going to the 4" stroke (383) is going to put the piston ring lands well into the piston pin, which can cause problems under boost.
Unless you have to smog - I'd go to an LS2 or LS3 block for the larger bore. You'll get more with 4"+ bore by unshrouding valves.
Unless you have to smog - I'd go to an LS2 or LS3 block for the larger bore. You'll get more with 4"+ bore by unshrouding valves.
