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914World.com _ 914World Garage _ Flywheel question

Posted by: jmargush Jul 22 2012, 05:00 PM

I have a flywheel off of the 2.0 that I am rebuilding and it has been machined down approx. 3.2mm from what I measure on other flywheels I have off of 1.8 engines.

The step down to the clutch surface was machined the same amount but I was curious if there are any concerns with using a flywheel that has been machined this much?

One issue I did experience when I was dismantling the engine is you can't get a socket around the bolts that hold the clutch on, so i was considerinf using a cap (allen) bolt.
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Posted by: McMark Jul 22 2012, 05:09 PM

There should be a significant step down here. It looks completely gone. If so, that flywheel is long past dead. You would have a hard time getting the clutch to release because the throwout arm will hit the transmission case before the clutch fully disengages. They flywheels are all the same (aside from balance) so use one of the other flywheels you have.


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Posted by: jmargush Jul 22 2012, 05:25 PM

Thanks

I appreciate the response.

Jeff

Posted by: mrbubblehead Jul 22 2012, 08:56 PM

if you decide to use it, remember to put a shim under the ball that the clutch arm pivots on. i put my trans in and forgot to add a washer. had to pull the trans back out.

Posted by: arty914 Jul 22 2012, 10:10 PM

Thanks for the info. All very useful.

Posted by: somd914 Jul 23 2012, 04:02 AM

I just fought the same battle. A resurfaced flywheel I had measured 8.5 mm on the step down from tooth ring to pressure plate surface, old was 7mm. New has recessed bolt heads when attaching the pressure plate, the old did not. When installed the fork travelled approx 1.5" or so before contact and the clutch would not disengage with the fork hitting the tranny case. The resurfaced flywheel is headed to the scrap pile...

Posted by: mrbubblehead Jul 23 2012, 06:23 AM

QUOTE(somd914 @ Jul 23 2012, 03:02 AM) *

I just fought the same battle. A resurfaced flywheel I had measured 8.5 mm on the step down from tooth ring to pressure plate surface, old was 7mm. New has recessed bolt heads when attaching the pressure plate, the old did not. When installed the fork travelled approx 1.5" or so before contact and the clutch would not disengage with the fork hitting the tranny case. The resurfaced flywheel is headed to the scrap pile...

i'll take it.... if i pay for shipping????

Posted by: somd914 Jul 23 2012, 05:35 PM

QUOTE(mrbubblehead @ Jul 23 2012, 08:23 AM) *

QUOTE(somd914 @ Jul 23 2012, 03:02 AM) *

I just fought the same battle. A resurfaced flywheel I had measured 8.5 mm on the step down from tooth ring to pressure plate surface, old was 7mm. New has recessed bolt heads when attaching the pressure plate, the old did not. When installed the fork travelled approx 1.5" or so before contact and the clutch would not disengage with the fork hitting the tranny case. The resurfaced flywheel is headed to the scrap pile...

i'll take it.... if i pay for shipping????


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