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Old 05-04-2004, 12:49 PM
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clutch disc springs hit flywheel bolts

info: 1989 wct-5, 16 lb after-market steel flywheel, 68 327, OEM replacement clutch set for a 89 camaro. 1973 datsun 240z

Tried to mount the clutch to the flywheel but the clutch disc springs hit the bolts that hold the flywheel on. I tried grinding down the bolt heads but had to get them very thin and they just cleared by a **** hair.. so #1 now i don't trust the bolts and #2 as soon as the disk wears down a little the bolts will touch the springs...hmmm

I ordered ARP flywheel bolts...get them tomorrow. A local speed shop said the APR (automotive racing products) flywheel bolts have thin heads and may clear the disc springs..we shall see.
If not I will have no choice but to buy a new disc that has the 8 smaller diameter springs. but have no idea what brand this may be...
What do u guys think about all this, I had never heard of the springs hitting the flywheel bolts before..
nope... the disc was not backwards, thanks for any info..bob

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Old 05-04-2004, 03:26 PM
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Three things come to mind:

Mis-match of parts.

Flywheel too thin. (should measure no thinner than 1.150")

Clutch disc reversed (backwards).

tom
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Old 05-04-2004, 04:03 PM
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thanks tom, the flywheel is new..and the disc was not backwards so that leaves mis-match of parts.
I did notice that the old one (could not use because it was from a 89 and not compatible with my old '68 327) has a deeper part where the bolts go.
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Old 05-04-2004, 08:11 PM
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then again i guess the flywheel could be defective..It said it was compatible with sbc 10.5 inch disc ..thats what i have. bobs getting upset
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Old 05-05-2004, 03:14 AM
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Some aftermarket flywheels don't allow the use of stock clutch discs due to interference with the flywheel bolts.
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Old 05-05-2004, 08:32 AM
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The spring hub faces the transmission side. Not the engine side.

It should be marked flywheel side. If it's marked on the flattest side "flywheel side" then it's been marked wrong.

The flyweel bolt's are thinner in the head area but you should have the black oxide bolts for thier sheer strenght.
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Old 05-05-2004, 02:21 PM
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Quote:
Some aftermarket flywheels don't allow the use of stock clutch discs due to interference with the flywheel bolts.
I called AMSRACING (this is the company that made the flywheel) and ordered a disc (10.5 inch 26 spline for my wc t-5).

Raymond at ams racing said this disk would clear the flywheel bolts...guaranteed. I hope it works. 89.99 +shipping..not bad.

Bob
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