wat are the benefits of a stroker?
More torque which usually equates to more power. There isn't a formula for it. It all depends on the whole package.
From my experience: On a bone stock CT525 LS3 with a 3.620 stroke going to a 4.000 stroke and changing nothing else it gained almost 100ftlbs
From my experience: On a bone stock CT525 LS3 with a 3.620 stroke going to a 4.000 stroke and changing nothing else it gained almost 100ftlbs
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6.0 Lq9 based 408..
The gains for that are nice in both HP and tq as well as opening up nice options for heads etc.. I would use the same combo on a 408 that you have on an ls1 however.
You need to read some stickies. You are asking some very vague questions that have a very broad answer.
The gains for that are nice in both HP and tq as well as opening up nice options for heads etc.. I would use the same combo on a 408 that you have on an ls1 however.
You need to read some stickies. You are asking some very vague questions that have a very broad answer.
TECH Enthusiast
Joined: Apr 2010
Posts: 513
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You can get 408 from an LS1 and at that point I know that you're pushing the CI limit for that motor (as in the cylinder walls can't be expanded any further without sleeving). That's all I know-and this is from me only observing. Like someone else said, someone with first hand experience needs to chime in. A friend of mine, KILLER-LS1 is running a forged 408 with I think an LQ4...
I would only recomend taking a stock ls1 block .010 over max. Which is basically a hone/cleanup. If you are doing a rebuild I would also stay away from the 98 blocks. It has been said to have poor oil circulation towards the back of the block.
The benefit of a 383 (using an ls1 block) as compared to using an LQ9 block is the 100 lb. weight savings. Then again the larger bore of the 408 helps in that area. LME made a pretty beastly 383 turbo car in a C6, but I think that was a large bore build. Don't quote me on it.
The benefit of a 383 (using an ls1 block) as compared to using an LQ9 block is the 100 lb. weight savings. Then again the larger bore of the 408 helps in that area. LME made a pretty beastly 383 turbo car in a C6, but I think that was a large bore build. Don't quote me on it.
Staging Lane
Joined: May 2011
Posts: 85
Likes: 0
I have a 6.7L 408 Iron block storker. Its made from a 6.0L Lq4 truck motor. It is then taken .030 over and stroked to make the extra CI.
Its a beast and all but it seems the 6.0L in stock form would still be plenty. I have read about people that have changed the rod bolts and made gobs of power spinning them to 7k. That would be much cheaper to do.
Its a beast and all but it seems the 6.0L in stock form would still be plenty. I have read about people that have changed the rod bolts and made gobs of power spinning them to 7k. That would be much cheaper to do.
Im missing the point of keeping the original block...
This isn't a 1st gen Z28, where removing a matching numbers block would destroy the cars value.
money? LQ9 blocks are only a couple hundred bucks...
Cuique suum
This isn't a 1st gen Z28, where removing a matching numbers block would destroy the cars value.
money? LQ9 blocks are only a couple hundred bucks...
Cuique suum
Thread Starter
Joined: Mar 2011
Posts: 3,699
Likes: 168
From: Wilmington, DE
Idk i just waNna keep the original block.....doing a 500 hp build with a 98 isnt goona b bad......sure the newer blocks have better oiling, but the 98 blocks oiling is good enough
