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Smart quod bastardus
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repairing the chain tensioner mounting shafts
Has anyone had the shafts that mount the chain tensioner in the housings replaced or repaired?
My shafts have some gauling and damage from where the tensioner idler arm rides on it and rather than replace the entire chain housing unit I would like to know if anyone has had success in repairing the shafts alone. They are pressed into the die cast housing, but can they be pressed out and remachined or replaced with new units and who would do this type of repair? I can send them to any good machine shop that has handled this before along with the idler arms that would need to be modified and rebushed. As a follow up question: Can anyone recommend a shop that would weld on a thick washer to the idler arm to replicate the later style arms that had additional material (a boss) added to prevent shaft gauling and premature tensioner failure. I dont want to buy newer style arms when I can get my current old style modified and rebushed. Thanks, Fred
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" Last edited by fredmeister; 09-05-2012 at 01:08 PM.. |
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Smart quod bastardus
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Anyone?
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" |
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Registered
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I can't recommend any shop as I am European, but I think I red a thread here, where Henry Schmidt from Supertec wrote something about idlers. Not sure it it was about replacing, I just can remember some pic with some spacer etc...
Hope this helps a bit. Good luck
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Roland 930 Turbo '81 Too many modifications to list |
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Smart quod bastardus
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Quote:
Fred
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" |
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Brando
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A thread a couple weeks ago a guy had hid shafts leaking from behind from the epoxy and has people tell him to reglue and others said to have new ones pressed in? Seems like a logical fix.
"I read somewhere on the internet"
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Turbo powa! 1977 911s. it's cool |
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