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LS1 crank question urgent

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Old 02-25-2010, 07:39 AM
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Default LS1 crank question urgent

i bought a 98 ls1, when i got it home i tore it down. Now cylinder #5 the rod bearings had spun, i bought a crank that is NOS. now on my crank that is bad there is the 24x i think that gear that is on the cranks tale. Now here is a pic of the crank



now the new crank



the timing gear on the crank, can i swap it to the new crank? cause the new one doesnt have one
Old 02-25-2010, 08:48 AM
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I think you should re-write whatever you are trying to say because it is hard to understand. As for your question yes, you can change it from one crank to the other. If I remember correctly they are not too expensive and you might want to get a new one. You will have to have a machine shop change it though so save the cost from removing the old one and buy a new one.
Old 02-25-2010, 09:06 AM
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Yes, the old reluctor can be swapped from one crank to the other. You'll have to have a machine shop or other specialized place that has the right tool do it, because it must be aligned and oriented properly to send the right signal to your PCM.
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Old 02-25-2010, 05:20 PM
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is it just me or does that new crank look like a 180 degree crank? Have you put them side by side to make sure they are the same?
Old 02-25-2010, 08:51 PM
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it sure does, from the pic it doesnt even look like an ls1 crank. Are you sure the new crank you have is correct?
Old 02-25-2010, 08:56 PM
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Timing gear can be pulled off with a generic 3 jaw puller.
Old 02-25-2010, 08:58 PM
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Looks like a 4 cyl crank.

Kurt
Old 02-25-2010, 09:14 PM
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That is definitely a 4-cylinder crank - only one oil passage on the rod journals. An LS1 Crank picture is attached.
Attached Thumbnails LS1 crank question urgent-ls1-crankshaft.jpg  

Last edited by Hector; 02-25-2010 at 09:21 PM.
Old 02-25-2010, 10:27 PM
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Damn thing looks like a VW Bug crank. 4 cylinder and 180 degree.
Old 02-25-2010, 10:29 PM
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Where did you buy this NOS crank??
Old 02-27-2010, 03:42 AM
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wel i found the crank on ebay and the listing stated it was a ls1 crank he had and it was newnever used. Befor i bought it i emailed him and asked that if i bought it and it ended up being the wrong one if he would pay shipping to get it back to him and refund my money and he said yes so we will see thanks you guys
Old 02-27-2010, 03:49 AM
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you might want to bring it to a builder or a dealer an compare them because that does not look right. i also just noticed that i think your talking about the oil pump drive on the nose that is not on the new crank. what about the big *** reluctor ring on the tail and the counter waits are totally different from the one you have. you might want to contact this guy you bought from
Old 02-27-2010, 07:35 AM
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What kinda feedback does the seller have on Ebay?
Old 02-27-2010, 07:45 AM
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def a 4 cyl crank, and the gear can be pulled with the generic 3 jaw puller and put back on the new crank at the same location on the keyway, make sure the keyway cutout on the gear it was lined up with then press that bitch back on




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