Well, I bought a Hayes billet steel flywheel and new Centerforce dual friction clutch. I have everything bolted up and the throwout bearing is maybe 1/16 of an inch off of the fingers of the pressure plate. The paperwork that came with the flywheel say that when installing the clutch to be sure that the throwout bearing is 1/4" off of the press plate.

I didn't think hydraulic clutches were adjustable.

I know alot of the guys on here have installed the same clutch in their cars. Was there 1/4" of space between the bearing and press plate?

Sturtzy

 

(I tried to cut & paste the CF specs, but it didn't happen)

Anyway, the specs suggest "approximately" 1/4", and further state that the bearing is self-aligning.


[Modified by Oldman, 2:02 AM 4/12/2003]

 

Come on you day timers.

Sturtzy

 

Everyone must be tired of my clutch questions.?.?.

Sturtzy
:banghead: :banghead: :banghead:

 

I'm not familiar with that specification on that model veh. is this something specific to the aftermarket clutch? how would one maintain that clearance??? the objective is to keep the TO bearing off the PP fingers?? are you sure your reading the info correctly?
What was wrong with the clutch unit you recently replaced? you had a noise??

 

There was a severe howl coming from the trans. in all gears, clutch in or out it did not matter. I pulled the tranny and the driven disk was completely glazed. It had 450 miles on it. This was with the stock resurfaced flywheel, a Cenetrforce dual friction clutch disk, press plate and their self-aligning bearing. I talked to Centerforce and they reccomended replacing the flywheel saying that the resurfaced flywheel could have hot spots that would not allow the disk to seat to the flywheel???

They do not sell the DF disk seperately, so I ordered the same DF clutch kit and a new Hayes billet steel flywheel. The instructions with both say to provide 1/4" spacing between the fingers and throwout bearing. I am aware there is no way to adjust a hydraulic clutch, but I am confused about these instructions.

I wonder if the instructions are all the same (generic) for all of their clutch kits and this only applies to a linkage type clutch and not the hydraulic. The reason for this spacing is that with the centrifigal assist clutch the weights on the fingers cause them to move outward as the RPMs increase, thus increasing the holding power. When this happens if the throwout bearing is right there the fingers will press on it possibly unloading the clutch.

My assumption is that the force of the fingers will push the throwout bearing back on a hydraulic set-up. This would not be true in a manual set-up as the linkage would not give, requiring the spacing.

I am just looking for someone who has installed a hydraulic clutch and can verify that this does not apply to my set-up before I bolt the tranny back in.

I see no way to maintain the clearance since the throwout bearing only goes back as far as the fingers press it back.

Thanks


http://www.haysclutches.com/haysfaq.html

Sturtzy


[Modified by sturtzy85L98, 11:24 PM 4/13/2003]

 

If you look at the Hays product catalog PDF, page 33, they mention that the TO bearing should lightly rest on the fingers for a hydraulic setup. This is how the clutch was on my Dad's 86 with a Hays FW and clutch with a Borg&Beck PP. His setup appears to be OK but we haven't put many miles on it yet.

Dale

 

Hey professor, thanks alot. Now all I have to do is bolt in the tranny. The papers they send with the clutch kit must be for a manual linkage clutch.

Kind of confusing if you have no experience with a hydraulic clutch.

Sturtzy