I was trying to save some down time by rebuilding a Garrett off a '88 740 and dropping it in my '82 245 when I had the time. I ordered a center cartridge for the '82 assuming it would be the same as the '88. Well.. it's not, the mating surface on the intake side is different. I don't know if the supplier made a mistake or if it was me. I haven't disassembled the '82 yet as it's in my daily driver
Has anyone had their turbo apart and can remember what the mating surface from the cartridge to the intake housing looked like. My old one has an O-ring on a thick flange and the one I bought has a stepped flange with no O-ring. the flange on the new cart is also slightly too small for the housing. I've tried to attach pictures of the difference.
Thanks again,
Bob W.

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