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can some one post the part number for a ls3 corvette crank pulley

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Old 04-13-2014, 05:57 PM
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Default can some one post the part number for a ls3 corvette crank pulley

just like the title says. I picked up a 2011 ls3 out of a corvette to put in my 92 mustang coupe. I need a crank pulley bolt. tried a stock ls1 bolt but it was too short.
Old 04-13-2014, 06:28 PM
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Is your crankshaft pulley on all the way? If not Google "how to install LS crank pulley".

Last edited by 1989GTA; 04-13-2014 at 07:34 PM.
Old 04-13-2014, 08:13 PM
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What ever you do, do not reuse an oem crank bolt...they are TTY bolts which means they are torqued until the bolt begins to stretch in a non elastic way...thus if you reuse them they will break...if you need a new one go with the arp... http://www.summitracing.com/parts/ar...make/chevrolet
Old 04-13-2014, 08:53 PM
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Not all LS3s are wet sump esp in a 2011 model. Some are dry sump and have a longer crank snout. Seems like you may have the dry sump setup.
We have a few options for you, but you will def want to confirm what you have.
Old 04-13-2014, 08:55 PM
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Well I tried an ls1 crank pulley bolt just to turn the motor over and the reg ls1 stock bolt wasn't even long enough to thread in.
Old 04-13-2014, 08:57 PM
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Originally Posted by Briou
What ever you do, do not reuse an oem crank bolt...they are TTY bolts which means they are torqued until the bolt begins to stretch in a non elastic way...thus if you reuse them they will break...if you need a new one go with the arp... http://www.summitracing.com/parts/ar...make/chevrolet
LOL yea I know not to re use a stock bolt. Is the number you posted the same as a 98-2002 fbody ls1? If so it wont work for this short block.
Old 04-13-2014, 08:58 PM
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Seems like you def have a dry sump motor.
Did you put a different pan on it?
If not, the dry sump pan has 2 tubes that bolt into the pass side of the oil pan for the feed and return. If you changed the pan, you will DEF need to change the oil pump unless you want to buy the dry sump tank and lines.

That is unless someone pulled all the threads out of the crank...
Old 04-13-2014, 09:00 PM
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If you want to, please email me and maybe take some pics and we can get you squared away.
Old 04-13-2014, 10:14 PM
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I didn't realize that the corvette LS3's were dry sump...so the one I posted probably won't work....
Old 04-13-2014, 10:18 PM
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Not all LS3 vettes are dry sump. The manual trans LS3 Grand Sports are dry sump. That is all as far as LS3s go. All the dry sump engines are hand assembled also.
Old 04-13-2014, 10:24 PM
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Originally Posted by coSPEED2
Not all LS3 vettes are dry sump. The manual trans LS3 Grand Sports are dry sump. That is all as far as LS3s go. All the dry sump engines are hand assembled also.
Good to know!
Old 04-14-2014, 10:26 PM
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LOL yea looks like its a dry sump motor. came from a 6 speed and pretty sure it was a grandsport also. Hey cospeed let me know if you find the spacers. LOL can I just trim the crank snout?
Old 04-14-2014, 10:27 PM
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On another note is there any benifit to the short block being hand assembled? Sux there is a few extra things I will have to do to put this short block in my coupe mustang. I thought only the ls7s were dry sump. Im guessing the ls9s are too?
Old 04-15-2014, 01:23 AM
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You would have to have the crank professionally shortened. The only place qualified to do that is Mile High Crankshafts or Ohio Crankshaft. It will cost alot more than using the spacer. We will get back with you tomorrow hopefully.
LS3 M6 grand sports, LS9, LS7, and new LT1s and the LT4 in the new Vettes.
IMO the best performance engine is the LSA. Badass performance and alot of the better parts of the LS9 for alot less money. And wet sump too.
Old 04-15-2014, 04:12 AM
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I found the crank spacer at Scoggin Dickeys for $29.99
https://sdparts.com/details/scoggin-...nter/sdls7spcr



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