Re: 90 ZR-1 #2273 - To be rescued
Expert opinion received from Bill Boudreau,
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Re: 90 ZR-1 #2273 - To be rescued
Your 6.5mm disc thickness translates to .255 inches. As Bill notes .320 is the standard for a new disc. As I understand it minimum thickness is .230. So your disc is about done.
Will you simply replace the disc or will you take the opportunity to install a light weight flywheel and sprung hub disc? H :cheers: |
Re: 90 ZR-1 #2273 - To be rescued
The disc seems to be due for replacement, yes. It seems Bill has faith in the pressure plate and TO bearing, but he dares not give an estimate on the remaining life span of the DM flywheel.
Light flywheel is not an option for me. I've gone that way before on another project, and I regretted it ever since. The rattle and loss of driveability is just not worth it. I see Jerry's has a couple DM flywheels left, and I must say it's tempting, but it's not a cheap option. Right now I'm just looking to see if I can find all the right parts and their price, to estimate a total cost. The OEM clutch disc also seems hard to find. |
Re: 90 ZR-1 #2273 - To be rescued
Got the TB back from Haibeck this week, and it's obvious that there is just so much one can do when the blades are getting worn. You can still see right past the blades close to the shafts. Maybe I'll have to attack it with the Molycote D321-R as well, to Band-Aid the lost DAG. TPS had also gotten damaged during shipping back to me, so I'll need to replace and calibrate that one as well.
Too bad, really, as I was hoping for some kind of magical repair resulting in a perfect seal. Maybe one has to go for the 63mm blades? |
Re: 90 ZR-1 #2273 - To be rescued
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Re: 90 ZR-1 #2273 - To be rescued
I am rather upset with myself for not knowing of this gentlemen you mention, before I spent over $600 (incl. $150 in shipping) to repair the TB. What a waste..
How can I get in touch with Mr. VanDeventer? |
Re: 90 ZR-1 #2273 - To be rescued
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Re: 90 ZR-1 #2273 - To be rescued
There is absolutely nothing wrong with the work Marc did on the TB, and it may very well be that the blades seal enough for the IAC to control the idle, if no other leaks are present. I'm sure he would've told me if he actually thought further work was necessary.
I probably failed to inform him of the extent of repair I was looking for. He has been vastly helpful throughout my restoration project, and I don't really wish to bother him any more with it. |
Re: 90 ZR-1 #2273 - To be rescued
I doubt Marc considers it a bother.
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Re: 90 ZR-1 #2273 - To be rescued
I have some original throttle plates
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