differential gasket

PostPost by: milton » Sat Aug 19, 2023 4:02 pm

The mating surface of the alloy differential case has been skimmed to tidy up a repair to the alloy. About 0.005" has been removed from the face. Is it necessary to fit a thicker gasket when reassembling?
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PostPost by: promotor » Sat Aug 19, 2023 5:15 pm

milton wrote:The mating surface of the alloy differential case has been skimmed to tidy up a repair to the alloy. About 0.005" has been removed from the face. Is it necessary to fit a thicker gasket when reassembling?


Fit a thick composite type gasket like the original one, not the thin paper ones meant for live axle cars such as escorts and cortinas etc and you'll be fine.
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PostPost by: smo17003 » Sat Aug 19, 2023 6:16 pm

While you have the diff housing on the bench you might want to convert from bolts to studs and nuts. Makes locating the gasket easier for one thing. Tony Thompson does them along with the gasket.

https://www.tonythompsonracing.co.uk/parts/final-drive/
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1967 S3 FHC
1968 S4 FHC
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PostPost by: milton » Tue Aug 22, 2023 6:04 pm

Many thanks for the advice, I've found the parts.
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