Stroker Kits ?
Stroker Kits ? I have a 99 SS LS1 auto with minimum upgrades. What size can the LS1 be stroked out to ? And what is the performance gains between them in HP and torque ?
Thanks
Thanks
the stock LS1/LS6 aluminum block can be stroked out to a 383 by going to a 3.905 piston and a 4" stroke crank. you can go bigger IF you want to re-sleeve the block(expensive to do).
gains will have more to do with the complete setup, heads cam etc. of course just going from 346 to 383 would give more power, but you would not want to use the stock heads/cam/intake IMO
gains will have more to do with the complete setup, heads cam etc. of course just going from 346 to 383 would give more power, but you would not want to use the stock heads/cam/intake IMO
Originally Posted by staringback05
tech. it will be a 382
3.905 x 3.905 x .7854 x 4 x 8=383.25069552
now if you use
3.903 x 3.903x .7854 x 4 x 8=382.8582217152 (round up to a 383)
now if you use the stock bore of 3.898 then yes it would be a 382 (rounded up)
since I would use a Diamond piston setup at a 3.905 bore it would be a 383
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If you already have a good set of heads (ETP), a large cam (trex) and a good intake setup (90/90), how much would it cost to complete the 383 stroker setup? I don't have all these parts yet, but I will eventually. I may want more power and am just curious as to how much money it would cost to take it to the next step. Also, if doing a 383 what size head would you want to run? 245? Thanks
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Originally Posted by Demon SS
the stock LS1/LS6 aluminum block can be stroked out to a 383 by going to a 3.905 piston and a 4" stroke crank. you can go bigger IF you want to re-sleeve the block(expensive to do).
gains will have more to do with the complete setup, heads cam etc. of course just going from 346 to 383 would give more power, but you would not want to use the stock heads/cam/intake IMO
gains will have more to do with the complete setup, heads cam etc. of course just going from 346 to 383 would give more power, but you would not want to use the stock heads/cam/intake IMO
Originally Posted by Demon SS
actually it will be a 383.25069552
3.905 x 3.905 x .7854 x 4 x 8=383.25069552
now if you use
3.903 x 3.903x .7854 x 4 x 8=382.8582217152 (round up to a 383)
now if you use the stock bore of 3.898 then yes it would be a 382 (rounded up)
since I would use a Diamond piston setup at a 3.905 bore it would be a 383
3.905 x 3.905 x .7854 x 4 x 8=383.25069552
now if you use
3.903 x 3.903x .7854 x 4 x 8=382.8582217152 (round up to a 383)
now if you use the stock bore of 3.898 then yes it would be a 382 (rounded up)
since I would use a Diamond piston setup at a 3.905 bore it would be a 383
That is what you call pure OWNAGE!!!!
Originally Posted by SVT THIS
If you already have a good set of heads (ETP), a large cam (trex) and a good intake setup (90/90), how much would it cost to complete the 383 stroker setup? I don't have all these parts yet, but I will eventually. I may want more power and am just curious as to how much money it would cost to take it to the next step. Also, if doing a 383 what size head would you want to run? 245? Thanks
I went through this a couple months ago. Most people will recommend just getting a built 402/408 instead of doing a 382/383/396 because they are so close in price. I may still do a stroker eventually and will keep an eye on this post.
I believe a PROPERLY built 408 will run you close to 10k, a 402 may be slightly less. If you can get the rotating assembly for 2300 and then just have the block honed you're set. Esp. if you already have a good set of heads, a cam and a good intake. I'd rather spend around 3k for a stroker than 10k for a 408.
So far, this is what im looking at.... from Thunder Racing
93-EA035-383 Lunati LS1 383 Rotating Assembly, 3.903" Bore, -8cc Reverse Dome Piston, 4.000" Stroke, 6.125" Rod Length, 10.6:1 compression ratio ...3995.75
is this a good kit? what else would i need beside a set of good flowing heads, good intake, and a custom cam? thanks!
93-EA035-383 Lunati LS1 383 Rotating Assembly, 3.903" Bore, -8cc Reverse Dome Piston, 4.000" Stroke, 6.125" Rod Length, 10.6:1 compression ratio ...3995.75
is this a good kit? what else would i need beside a set of good flowing heads, good intake, and a custom cam? thanks!
Last edited by UnZFeat'd; May 19, 2006 at 01:25 PM.
Are those pistons you mentioned UnZFeat'd forged? Do you know how much it would cost to bump them up to forged??
So to build the stroker you just need the kit for 4k? I'll have good heads and a 90/90 setup and I'll probably use the Trex cam for a while. What size heads would be good on a 383? Would the ET215s be to small? Would the ET 245s be to large??
So to build the stroker you just need the kit for 4k? I'll have good heads and a 90/90 setup and I'll probably use the Trex cam for a while. What size heads would be good on a 383? Would the ET215s be to small? Would the ET 245s be to large??
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Joined: May 2006
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Originally Posted by UnZFeat'd
So far, this is what im looking at.... from Thunder Racing
93-EA035-383 Lunati LS1 383 Rotating Assembly, 3.903" Bore, -8cc Reverse Dome Piston, 4.000" Stroke, 6.125" Rod Length, 10.6:1 compression ratio ...3995.75
is this a good kit? what else would i need beside a set of good flowing heads, good intake, and a custom cam? thanks!
93-EA035-383 Lunati LS1 383 Rotating Assembly, 3.903" Bore, -8cc Reverse Dome Piston, 4.000" Stroke, 6.125" Rod Length, 10.6:1 compression ratio ...3995.75
is this a good kit? what else would i need beside a set of good flowing heads, good intake, and a custom cam? thanks!
http://www.lmperformance.com/5558/4.html
Last edited by REXLS1; May 20, 2006 at 12:48 AM.