Found a tool that allows you to search by spline... takes the mystery and whimsy out of the clutch disc search entirely.
https://www.centerforce.com/products/product-detail/id/CTF-DF203024/name/clutch-cover-disc-for-71-86-ford-mercury-cars
So the output splines of the 944 driveshaft and henceforth the clutch disc measure Spline count = 23; Pilot diameter = 14.9 mm; Spline diameter = 25.4 mm.
The 1.8T/Vr6 is spline count= 28; spine diameter 22.25mm. Not compatible.
Cross referencing a disc to order is pretty easy actually. The guys with the Got Wood 944 say they're using the Rx8 disc which is 235mm diameter... the 20v(G60) flywheel calls for a 228mm diameter disc so you would have to machine the G60 flywheel out to make room for the the extra size of the Rx8 disc. I would rather keep off the shelf parts when possible so I consider that not compatible due to machining required on the flywheel.
Cross reference results on the Centerforce site turn up a disc part number DF009035 which is a clutch disc for 1985-89 Mercury Merkur This disc is 228mm. This will work with the 944 output shaft and also is a perfect match for the G60 flywheel.
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“Of the value traps, the most widespread and pernicious is value rigidity. This is an inability to revalue what one sees because of commitment to previous values. In motorcycle maintenance, you MUST rediscover what you do as you go. Rigid values makes this impossible.”
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Last edited by Lapkritis; 10-26-2013 at 11:09 AM..
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