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Old 04-21-2010, 07:13 AM
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Steve1968LS2 Steve1968LS2 is offline
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Quote:
Originally Posted by GregWeld View Post
Stupid statement cause I know nothing about LSx motors... (Or anything else for that matter) but are any of the pan bolts into the case all the way thru? Maybe some oil is getting thru the threads... and weeping.

Also - what about the seal (if any) at the crankshaft?

I remember doing a 440 block with a nice billet rear seal - and I didn't offset the seal and the spit of the seal/block mating surface -- it leaked... Once I rotated the seal so it was offset - dry as a bone..

Sorry to hear of your hassles.
The Canton pan is a bit tricier since it has a thin upper flange unlike the THICK GM flange.. My last one never leaked, no so this time.

We thought about the bolt holes, but they are blind. We also though that the oil pan was nice and flat, guess we missed a spot or maybe something else. Typically the GM oil pan gasket is hard to screw up. Feels like the leak is coming from above the pan where is meets the block. So we fixed the first leak but developed another one.

Oh well, it's parts of the building experience.. pretty sure I could do this now with my eyes closed.

Anyways, like they say, "third times a charm" -- on a positive note we keep fixing little things along the way.
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1971 Chevelle Wagon - Roadster Shop Chassis ProCharged Shafiroff LS and lots of yada yada

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