Any reason NOT to stroke my LS2 to a 408?
#1
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What say you? Any reason not to stick this kit:
http://www.lunatipower.com/Product.aspx?id=383&gid=187
in my current LS2.. I just want to pick up some more bottom end torque.
Thoughts?
http://www.lunatipower.com/Product.aspx?id=383&gid=187
in my current LS2.. I just want to pick up some more bottom end torque.
Thoughts?
#4
TECH Regular
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From what I've read most LS2 owner's go to 402 instead of 408. I think the concern is getting the cylinder walls to thin being aluminum and all. Not sure at what point you'd re-sleeve the block either? Seems to be that all stroker LS2's go to a max of 4.005" bore?
Last edited by ALL ULL C; 09-22-2008 at 09:18 PM.
#5
FormerVendor
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It all depends on how Lunati speced those pistons. You could ask Brian Nutter and he could probably let you know. The normal Wisecos work great in that app but I don't know exactly what the Lunati version is?
#7
FormerVendor
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What say you? Any reason not to stick this kit:
http://www.lunatipower.com/Product.aspx?id=383&gid=187
in my current LS2.. I just want to pick up some more bottom end torque.
Thoughts?
http://www.lunatipower.com/Product.aspx?id=383&gid=187
in my current LS2.. I just want to pick up some more bottom end torque.
Thoughts?
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#9
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So the issue is boring an LS2 to 4.030... right?
Funny that they would send me the kit knowing it's for an LS2 if there's an issue. I will call them up tomorrow to confirm. I would be just as happy with a 402. What's 6 cubes worth? lol
What's funny is that I don't even see a 402 listed on thier website...
Funny that they would send me the kit knowing it's for an LS2 if there's an issue. I will call them up tomorrow to confirm. I would be just as happy with a 402. What's 6 cubes worth? lol
What's funny is that I don't even see a 402 listed on thier website...
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I have seen a LS2 bored to 4.030 with stock sleeves and was fine down low. When opened up in just one dyno pass it hit 250 degrees very quick. And yes Lunati can give you a 4.000" piston, I have asked and recieved this for my old 6.0L application with Lunati rods and Pistons.
#17
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Lunati is sending me over some 4.005 Wiesco pistons for the swap. They thought I had an iron 6L block.
So, we're back in business.. Now I just need to get it out, built and back in by the race in November. eek! (and build a new trans.. and redo my shocks, and...)
Here's a fun video of the car now.. I wonder if it will sound different.
http://www.youtube.com/watch?v=nnaScDotkTA
So, we're back in business.. Now I just need to get it out, built and back in by the race in November. eek! (and build a new trans.. and redo my shocks, and...)
Here's a fun video of the car now.. I wonder if it will sound different.
http://www.youtube.com/watch?v=nnaScDotkTA
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I don't know if this will help, but Mahle makes a 4.005 piston kit for LS2's. I've got them in my 403. I know they work great for NA. I haven't heard anything regarding reliability for NOS or FI.