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URGENT! Oilleak from crankshaft to flywheel??

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Old 08-02-2015, 06:46 AM
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Default URGENT! Oilleak from crankshaft to flywheel??

Hey all,

we are running a built LS3 based stroker engine.

A couple of events ago it started leaking oil so we dissembled the gearbox and the flywheel, as we thought it might be the rear crankshaft seal. After removing the flywheel there was quite some oil in the middle of the crankshaft. We realized that there is some kind of plug.

Can anybody give us some advice on what might be the problem - the car has to be up and running in 3 days .

Thanks in advance for your help!!!
Attached Thumbnails URGENT! Oilleak from crankshaft to flywheel??-img_20150801_214909.jpg   URGENT! Oilleak from crankshaft to flywheel??-img_20150801_214914.jpg   URGENT! Oilleak from crankshaft to flywheel??-img_20150801_214933.jpg   URGENT! Oilleak from crankshaft to flywheel??-img_20150801_214937.jpg  
Old 08-02-2015, 09:10 AM
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Originally Posted by LS32GO
Hey all,

we are running a built LS3 based stroker engine.

A couple of events ago it started leaking oil so we dissembled the gearbox and the flywheel, as we thought it might be the rear crankshaft seal. After removing the flywheel there was quite some oil in the middle of the crankshaft. We realized that there is some kind of plug.

Can anybody give us some advice on what might be the problem - the car has to be up and running in 3 days .

Thanks in advance for your help!!!
Guessing this is the problem: https://ls1tech.com/forums/generatio...g-leaking.html

What kind of silicone do you recommend for this?
Old 08-04-2015, 09:58 PM
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Originally Posted by LS32GO
Guessing this is the problem: https://ls1tech.com/forums/generatio...g-leaking.html

What kind of silicone do you recommend for this?
Silicone? You've got jokes.

Green loctite.
Old 08-05-2015, 03:16 AM
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We had to tack weld the reluctor and fix that on my Callies crank. Amazing they have such a good rep.



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