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#11 | ||
![]() Join Date: Mar 2014
Location: Warrington PA
Posts: 1,913
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During my research, came across an interesting thread by Racinfan83 (Eric) back in March of this year. Read post #6, which is a good debate on which type of pilot bearing to use for replacement. I already have the "fluted pilot bushing" in my bin (GM P/N 10125896). There is also the "roller pilot bearing" (GM #14061685) to use or as an option. Inexpensive enough to have both and flip a coin when the time comes ![]() All kidding aside, post #6 makes good sense. The link I forgot to post......lol http://www.zr1.net/forum/showpost.ph...69&postcount=6
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Tom 1994 ZR-1 #009 "captured test fleet car" 1974 LS4 454 Vert 1982 L83 CFI...now a retired "dd"....Sold WAZOO Member Last edited by Roadster; 12-01-2016 at 09:52 AM. |
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#12 |
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Location: McLean, VA
Posts: 3,713
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#13 |
![]() Join Date: Mar 2014
Location: Warrington PA
Posts: 1,913
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That is first on my list tomorrow Yun.....
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Tom 1994 ZR-1 #009 "captured test fleet car" 1974 LS4 454 Vert 1982 L83 CFI...now a retired "dd"....Sold WAZOO Member |
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#14 | |
![]() Join Date: Apr 2013
Location: Eastern Missouri
Posts: 773
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I used the fluted bushing, sent PP to Jim for a light resurface along with my original TOB for his inspection. It was fine. Took pics and measurements of my disc and FW and sent them to him - he said they were fine to clean up and reinstall as well. So I cleaned FW with Scotchbrite pad and just cleaned disc and put it back. Jim is a stand up guy and very knowledgeable - have a bit of time when you call him because he is a talker! I can't recommend him highly enough for how nice he was... ![]()
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[LEFT][SIGPIC][/SIGPIC][/LEFT] [CENTER][COLOR=Indigo][SIZE=4][I][B] **Now Sold** 1990 ZR-1 #2093, Black on Black..[/B][/I][/SIZE][/COLOR][/CENTER] |
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#15 |
![]() ![]() Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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On another note...
My personal plan is to chunk the OE clutch instead of attempting to service it - an excuse to make the leap to RAM and their dual disc/hydraulic (push) TO bearing. Killing a fly w/ a sledge hammer? Well, maybe so. But, installing a system in current production vs. OE tailings appeals to me - not to mention the boost in performance and longevity. Make sense (to anyone besides me)?
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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#16 | ||
![]() Join Date: Mar 2014
Location: Warrington PA
Posts: 1,913
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I knew I forgot to post the link......lol ![]() will add it to the post..... Quote:
Yes, it does make sense.....but IMO there seems to be "issues" that need to be worked out (the trial & error period "issues") with some of the newer technology that is offered today. It appears that you need to get the correct combo and have a "break-in" period to achieve the desired results. Since I don't track the Z, (haven't been down the 1/4 mile yet) the stock system should be fine for me. My feeling as mentioned before is to have a back-up parts supply for later down the road. And when the newer technology is sorted out, then that will be a very viable option. It's people like you Paul, who are willing to push ahead and try something different. It will be interesting to see all of the results from more like you as time moves on. But for now, the stock setup works for me!!!
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Tom 1994 ZR-1 #009 "captured test fleet car" 1974 LS4 454 Vert 1982 L83 CFI...now a retired "dd"....Sold WAZOO Member Last edited by Roadster; 12-01-2016 at 09:50 AM. |
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#17 |
![]() Join Date: Aug 2006
Location: McLean, VA
Posts: 3,713
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My intention was to go to heavier steel flywheel (like 22 or 26 ibs) with Ram dual disc set up until I read some horror stories. Luckily I found an OEM dual mass at reasonable price - thanks Marty and Tom!
I have one brand new LT5 PP, clutch and throw out bearing also. Should be good for another 7-8 years. As for the pilot bushing/bearing, I prefer fluted namely based on fear of mess when needle bearing fails. |
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#18 | |
![]() Join Date: Mar 2014
Location: Warrington PA
Posts: 1,913
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![]() Spoke to Jim @Power Torque systems (thanks again Ted) and had an extensive conversation with him. It's always a pleasure to talk with Jim, as he has a wealth of info to offer, which is always a learning experience. On what Frank mentioned yesterday on the TOB's. Jim told me that they are NOS bearings from years ago. However, they are only for the 94-95 ZR-1. And they are only for the Blue Label ZF trans, which came into service with the 94 model. Now, there is an exception to this and that is when the 94 MY assembly started, there were not any Blue Label transmissions available, as there were still some Black Label transmissions still available from the end of the 93 MY build. So there are some early 94's that probably have the Black Label trans that was installed at the factory. If you have an early 94 with a Black Label, then these TOB's are not for you. Also to be aware of the clutch disc being offered today for our stock setups. There are issues with the "thickness" of the disc itself which is not sufficient for use. And that there is some "excessive" play with the hub, which is also not good for our application. And be aware of units on the bay that appear to be NOS, ask questions on these units if you decide to purchase as Valeo stopped making discs years ago. All I can add, is to do your homework, research, ask questions before you decide to make your purchase. That being said, I made a big purchase today. which cost me some $$$....lol Purchased a LT5 DM FW, PP, clutch fork, TOB and maybe the disc from a 40,000 mile Z. Even got Jim's approval and would be no problem to have everything cut and put back into spec. I think I got a good deal, and am happy to stay with OEM for future years. And not that I need it now, but it is known that these will disappear more so as time goes on.....JMO
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Tom 1994 ZR-1 #009 "captured test fleet car" 1974 LS4 454 Vert 1982 L83 CFI...now a retired "dd"....Sold WAZOO Member Last edited by Roadster; 12-01-2016 at 06:44 PM. |
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