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Old 02-14-2009, 07:51 AM
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Default stroker builds

when building a stroker, using the ls platform (ls1, ls2), is it required to grind the block, crank, or rods for clearance? On the original SBC usually you need to do some grinding in these places to gain clearance for the longer stroke.
Old 02-14-2009, 08:59 AM
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only if you plan on going larger than a 4" stroke or using the old school rods.
Old 02-14-2009, 09:18 AM
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used 4.125 stroke in a couple of lq9s with no problems at all. in a ls series engine they raised the cam location further up than in a sbc, so you dont worry about the top edge if the rods touching the cam.
Old 02-14-2009, 10:38 AM
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Thanks for the info. I was kinda sure that was the case. I'm trying to put together my budget and wanted to get a ballpark on machine work.
Old 02-14-2009, 12:45 PM
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on aluminum blocks with 2.100 rods and 4.00 and up stroke you have to notch the cylinders. The cam does not become an issue until 4.250 and bigger. The LS1 has a decent amount of room in it.
Old 02-14-2009, 02:52 PM
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I'm looking at 402, 4.005 bore, 4.00 stroke crank and std. 6.125 rods. Typical 402 stroker, so I wont have to notch.
Old 02-14-2009, 03:53 PM
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Originally Posted by camarorat
I'm looking at 402, 4.005 bore, 4.00 stroke crank and std. 6.125 rods. Typical 402 stroker, so I wont have to notch.
are you gonna sleeve a LS1? or use the LS2
Old 02-14-2009, 05:06 PM
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my 4" stroke LS3 had to be clearanced at the bottoms of the cylinders
Old 02-14-2009, 05:27 PM
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Originally Posted by jay_lt4
my 4" stroke LS3 had to be clearanced at the bottoms of the cylinders


No offense, but how many times do you need to put that you are buying a new Camaro in your sig??
Old 02-14-2009, 05:33 PM
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Originally Posted by Gen414
No offense, but how many times do you need to put that you are buying a new Camaro in your sig??



fixed it just for you, i guess someone is jealous
Old 02-14-2009, 10:29 PM
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I runa 4.100" stroke in my LS2
Old 02-14-2009, 10:48 PM
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Notched LS7 block.....
Old 02-15-2009, 12:54 AM
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lq4. eagle 4.000 crank. scat 6.125 rods. wiseco dome pistons. has phenominal clearance
Old 02-15-2009, 03:41 PM
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Originally Posted by jay_lt4
fixed it just for you, i guess someone is jealous

I was just asking you a question is all. You can take it however you want. I would more likely be jealous if you were buying a car that I wanted to buy/have. Have no desire to own a Camaro....hence my LS into a Mustang.
Old 02-15-2009, 06:10 PM
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I'm using an ls2 block, not sleeving an LS1.
Old 02-15-2009, 06:15 PM
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Make sure the rod bolts dont hit the windage tray. I had to shim mine.
Old 02-16-2009, 07:54 AM
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Originally Posted by addicted2myWS6
Make sure the rod bolts dont hit the windage tray. I had to shim mine.

Yeah, I heard alot about this. My motor is STILL at the machine shop, but when I get it back, I need to check that since I am doing teh assembly. My combo 4.060 Wiseco x 4.00 Eagle with Eagle 6.125 rods and running FBody pan and windage tray. Was told and heard that the rod bolts can hit the windage tray, and needs like 2 or 3 washers to shim the tray.
Old 02-16-2009, 08:07 AM
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.230 shim for ur windage tray,then u have to align ur pickup tube.use some clay and make sure its not bottomed out in ur pan,...biggest overlooked problem and causes starvation with a big pump. just cut the bracket off the tube and reweld it,keep the tube linned up perfect for the o-ring on the pump also.
Old 02-16-2009, 11:11 AM
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Originally Posted by NastyC6
.230 shim for ur windage tray,then u have to align ur pickup tube.use some clay and make sure its not bottomed out in ur pan,...biggest overlooked problem and causes starvation with a big pump. just cut the bracket off the tube and reweld it,keep the tube linned up perfect for the o-ring on the pump also.
Yes, that is a must. I dont know why I frogot to mention that.
Old 02-16-2009, 04:21 PM
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Originally Posted by NastyC6
.230 shim for ur windage tray,then u have to align ur pickup tube.use some clay and make sure its not bottomed out in ur pan,...biggest overlooked problem and causes starvation with a big pump. just cut the bracket off the tube and reweld it,keep the tube linned up perfect for the o-ring on the pump also.

Yeah, I also got that oil pickup tube girdle to help out on that end as well. I was at the machine shop this morning, getting closer. They did some more work to my heads and were gonna flow them today so they can pick out my cam. They were ordering lifters and my shaft rockers today or tomorrow, so.....


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