Throwout bearing Long or short ?
07-08-2009, 09:55 PM
#1
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Throwout bearing Long or short ?
I have a 72 small block vette and am having clutch adjustment problems.What is the correct throwout bearing long or short for the oem setup?
Thanks
Thanks
07-09-2009, 05:08 PM
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Hi TG,
It's part # 907963, 1 7/32" O. L..
There's only one part # from 64-72.
Regards,
Alan
It's part # 907963, 1 7/32" O. L..
There's only one part # from 64-72.
Regards,
Alan
07-09-2009, 10:45 PM
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St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15
Boy Alan, we got to get you a newer parts book. . . . 
.
GM p/n 907963 and p/n 907403 were both replaced by 908244, which was then replaced in the mid to early 90's by 15680264. This is still a good part number and it is the correct short bearing.
Willcox
. GM p/n 907963 and p/n 907403 were both replaced by 908244, which was then replaced in the mid to early 90's by 15680264. This is still a good part number and it is the correct short bearing.
Willcox
07-10-2009, 01:48 AM
#5
Le Mans Master
If your Vette has a bent cone diaphram spring on the clutch pressure plate as it should, you should use the short throw-out bearing. There are flat spring pressure plates out there and if your parts guy screwed up you may have one (used mainly for trucks and low performance applications.)
07-10-2009, 04:36 PM
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Hi Ernie,
I guess I should have said WAS....
I'm looking at a 1971 parts book!!!!
Sorry.
Regards
Alan
I guess I should have said WAS....
I'm looking at a 1971 parts book!!!!
Sorry.
Regards
Alan
07-10-2009, 08:31 PM
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St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15
Alan,
Email me your direct email address. . . WillcoxCustomerService@Willcoxcorvette.c om I may have a copy of this book! I'll have to check.
E
Email me your direct email address. . . WillcoxCustomerService@Willcoxcorvette.c om I may have a copy of this book! I'll have to check.
E
Last edited by Willcox Corvette; 07-10-2009 at 08:38 PM.
07-10-2009, 08:33 PM
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St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15
Willcox
07-11-2009, 02:03 PM
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I did have the flywheel cut twice but they didn't cut much on the second cut. The mechanic picked up the clutch kit for me.
A Valeo kit that was suposed to be a stock replacement.
A Valeo kit that was suposed to be a stock replacement.
07-13-2009, 12:22 PM
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St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16
Linkage worn?
When I restored my 72 LT-1, I found that the linkage itself had worn.
The pin on the clutch pedal was a half moon instead of being round, the rod from the clutch pedal pin to the Z bar was oblong instead of round as was the rod from the Z bar to the clutch fork.
That explained my problems in not being able to adjust the clutch properly.
You may want to look at those pieces. I wound up installing a new pin (shoulder bolt welded to the clutch pedal) and filled the oblong holes with weld material and redrilled the holes. That was the cheapest way out.
The pin on the clutch pedal was a half moon instead of being round, the rod from the clutch pedal pin to the Z bar was oblong instead of round as was the rod from the Z bar to the clutch fork.
That explained my problems in not being able to adjust the clutch properly.
You may want to look at those pieces. I wound up installing a new pin (shoulder bolt welded to the clutch pedal) and filled the oblong holes with weld material and redrilled the holes. That was the cheapest way out.
