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Will Mr Gasket Co part # 983G Crankshaft key work for an LS2 Eagle forged 4" crank

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Old 05-01-2008, 05:38 PM
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Question Will Mr Gasket Co part # 983G Crankshaft key work for an LS2 Eagle forged 4" crank

Will Mr Gasket Co part # 983G Crankshaft key work for an LS2 Eagle forged 4" crank its for a forged 402cid engine , i didnt get a key for my crank gear so i was wondering if this part # would work ? or does the key have to have two **** sticking out on each end so the key cannot flip over ? let me know asap , thanks again
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Old 05-01-2008, 06:49 PM
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Anyone on this ?
Old 05-02-2008, 01:49 PM
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it should work but its nothing a little machinng couldnt cure. i would think the most importatnt thing is to makke sure it will fit the crank ggear
Old 05-02-2008, 04:17 PM
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I believe the standard width of the key is 3/16". That is what my fluid damper was cut to and it fit the compstar crank perfectly. I am not sure on the length of the key though.

Most Eagle cranks don't come machined for a key.

Last edited by Deeavi; 05-02-2008 at 04:31 PM.
Old 05-02-2008, 05:37 PM
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i have a LS2 comp cams adjustable timing chain set , part # is 3157KT its a 2 peice crank gear , and the stocker for the LS2 is a single peice Crank Gear , i would think it would be ok to reuse the Stocker crank kgear thats a one peice rather then using the Comp cams 2 peice everything seems to be the exact same sprockets and chain .. would this be ok ?

I just dont like how the Crank gear when you put the 2 peice on the crank key dont go all the way through the gear , it just dont seem safe .. thats why i was wondering

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Old 05-02-2008, 05:49 PM
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should this key kit in there real tight ? or should it goe in easy ? how are you suppose to get the Crank gear key in ? with a rubber malleT ? or is there a special tool ?
Old 05-03-2008, 10:34 AM
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Originally Posted by BadLtBlu99TA
should this key kit in there real tight ? or should it goe in easy ? how are you suppose to get the Crank gear key in ? with a rubber malleT ? or is there a special tool ?
Just get the correct GM key. It is # 1256-1513 I think but I cant remember exactly since I am at home.

I sometimes sand the sides a little if there way too much press but then I tap it in with a punch and a hammer. It should have some press but you shouldn't have to damage it to get it in.

The Eagles are made to accept the factory GM crank key.



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