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TR4 & TR4A Forum

Line bore and new seal

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BobN Avatar
BobN Bob Nogueira
Dallas, TX, USA   USA
I’ve repeatedly read about fitting the scroll seal to the TR4 engine and the necessity of centering it with a mandrel. How much play should there be when laying the seal in the block without bolts or mandrel?
I had my block line bored and I’m assuming the machinist didn’t realize that the opening for the scroll seal would also need to be machined so it is now a tight fit with no wiggle room.
Am I correct in thinking I can open up the scroll seal opening with a die grinder since it will be set in gasket compound? Would I be better off taking material off the Aluminum seal ( it’s a Mad Marx seal)?
Bob Nogueira

Edited 1 time(s). Last edit at 2019-01-03 03:21 PM by BobN.

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