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Old 09-12-2004, 04:57 PM   #11
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94+ = teflon
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Old 09-12-2004, 06:22 PM   #12
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What year is your boss' Bonnie Bill? Cause if only 94+ has tetlon, why are those rotors looking like my stool samples?
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Old 09-12-2004, 06:33 PM   #13
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Bill, maybe I can't see it well enough in the pic, but my 92 rotors looked just like that hwen that SC came off. The 94 I put on had rotors coated in a grey substance I believe is teflon. Yours look like EGR soot to me.
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Old 09-12-2004, 07:57 PM   #14
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Hard to tell in the pic, but mine are Teflon coated. That'* how I found out about teflon in the first place. There were a couple spots on the end of one rotor where it was starting to come off. I'll remember that to the day I die, cuz a buddy of mine asked if that was to lubricate them in case they touched. I told him I certainly HOPED they would never touch!

Mine may have been replaced at some point.

Boss'* car is a 95 Buick Riviera.
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Old 09-13-2004, 02:05 AM   #15
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I'm sure 94+ got the teflon to provide a better seal and raise the VE. 92-93 = not so lucky. It was a fairly detailed explanation I was reading too, just like maybe a week ago. I'm sure I bookmarked it but I have @$$ loads of engine related links so sometimes its hard to find. I'll check more tomorrow
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Old 09-13-2004, 05:01 PM   #16
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I just had my 92 apart, and there was no teflon, just a thick thick layer of the blackest meanest carbon crap. It took forever to clean it off. I used everything in the book to get it off. But the carbon probably doesn't hurt anything. It'* just going to come back.

My throttle body was the same way. So much carbon the plate would stick, I could hardly get it open by hand, and it would open with a resounding "snap"! Once cleaned, it is perfect.

BTW I purchased some of the rheo temp 500 for the end bearings, I'd like to recoup some of that expense, anyone need a tiny bit????
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Old 09-13-2004, 09:12 PM   #17
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Quote:
Originally Posted by TelePlayer
BTW I purchased some of the rheo temp 500 for the end bearings, I'd like to recoup some of that expense, anyone need a tiny bit????
Some what for what?
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Old 09-13-2004, 10:28 PM   #18
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That'* the grease for the needle bearings on the shaft ends of the rotors.
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