My 72 clutch replacement begins...

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Old June 3rd, 2020, 04:21 PM
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If you go through in a couple small spots, you'll be fine. When you get it "thinned out", you can hit the edge with a sharp chisel and a good sized hammer. It may crack it and pop out.
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Old June 3rd, 2020, 04:38 PM
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Originally Posted by OLDSter Ralph
If you go through in a couple small spots, you'll be fine. When you get it "thinned out", you can hit the edge with a sharp chisel and a good sized hammer. It may crack it and pop out.
I was just looking up die grinders - are they pneumatic only? If so ... know anything else that might do the job?
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Old June 3rd, 2020, 05:03 PM
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Home Depot sells 110v small grinders, that would work.
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Old June 3rd, 2020, 05:11 PM
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Originally Posted by dc2x4drvr
Home Depot sells 110v small grinders, that would work.
thank you
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Old June 3rd, 2020, 05:31 PM
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Your excuse to buy a Dremel kit...
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Old June 3rd, 2020, 05:39 PM
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Originally Posted by dc2x4drvr
your excuse to buy a dremel kit...
😜
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Old June 4th, 2020, 05:06 AM
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Thoughts on this kit? Or is there a better route then summit? https://www.summitracing.com/parts/c...***-supreme%2F
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Old June 4th, 2020, 05:08 AM
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Also ... just out of curiosity - why the long throw out bearing for two barrel and short for four barrel? Did the two barrel carb manuals use a different style pressure plate or something? Doesn’t make sense to me?...
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Old June 4th, 2020, 05:52 AM
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Originally Posted by 72442455
Thoughts on this kit? Or is there a better route then summit? https://www.summitracing.com/parts/c...***-supreme%2F
kit comes with TO bearing..
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Old June 4th, 2020, 06:11 AM
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Originally Posted by dc2x4drvr
kit comes with TO bearing..
i couldn’t find anywhere in our forums that recommended any certain to bearing? I searched throw out bearing - is there a better way to search our forums? Or use the one In the kit?
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Old June 4th, 2020, 06:44 AM
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This thread might have the info you need

https://classicoldsmobile.com/forums...uestion-30667/

I used a Dremel to cut a bearing race out of an aluminum MC rim it worked perfect and quick small enough to get in there and powerful enough to make quick work of it
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Old June 4th, 2020, 07:08 AM
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Originally Posted by RetroRanger
This thread might have the info you need

https://classicoldsmobile.com/forums...uestion-30667/

I used a Dremel to cut a bearing race out of an aluminum MC rim it worked perfect and quick small enough to get in there and powerful enough to make quick work of it
thanks Retro Ranger - yes I read that completely several times now - I know the correct way to do it (I’d have to pull the motor and or crank to have it machined - I’d also have to get a new input shaft for my M-20 as I already circumcised it) I’m removing the failed bearing and doing it the bushing route

My new question is - I know to use the short throw out bearing - but I assume it’s like suspension kits - I buy the centerforce for X money and they throw in a junk throw out bearing to increase profits - I piece bought my front end (rock auto makes it easy) but I don’t know how to do that with clutch kits - I know which pilot bushing I’m going to use - and the centerforce 2 Clutch and pressure plate - what throw out bearing should I look for and from whom can I get it? Thank in advance!
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Old June 4th, 2020, 08:16 AM
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I used the CF to bearing for years, no issues, quality part.
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Old June 4th, 2020, 12:07 PM
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National & Timken to bearings for Oldsmobile, don’t know why I saved used bearings..
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Old June 4th, 2020, 12:17 PM
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Originally Posted by dc2x4drvr
National & Timken to bearings for Oldsmobile, don’t know why I saved used bearings..
thanks - I used timken everywhere else - I’ll look for it
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Old June 4th, 2020, 12:21 PM
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well the pilot bearing pulling failed miserably - time to buy a die grinder - I know squat about buying a corded die grinder 😩 I’m here at Home Depot staring slack jawed at numbers lol - wish me luck



Well poop - this tool was a joke - I’d have had more satisfaction had I used the $20 to wipe with
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Old June 4th, 2020, 12:26 PM
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1/8" shank with "christmas tree" shaped rotary file will get you close to the back of the bearing diameter
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Old June 4th, 2020, 12:29 PM
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Dremel is good, but not much good to port heads and such work. It would be good for your job at hand.
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Old June 4th, 2020, 12:47 PM
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Originally Posted by OLDSter Ralph
Dremel is good, but not much good to port heads and such work. It would be good for your job at hand.


?
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Old June 4th, 2020, 12:54 PM
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Thats a bit bigger in the hand. Something that size should have a collet for 1/4" shanked tools ?
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Old June 4th, 2020, 12:57 PM
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you need a CARBIDE tipped tool for a bearing race. Those look like HSS (High speed Steel) and they won't last
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Old June 4th, 2020, 12:58 PM
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Originally Posted by OLDSter Ralph
Thats a bit bigger in the hand. Something that size should have a collet for 1/4" shanked tools ?
your going above and beyond Ralph! Shouldn’t have to teach me how to buy tools but I sure appreciate it! It actually looks like a comfortable size and weight - I see it’s a 1/8th shank - to be honest - that could say 17 jigawatts - googling what ya just said - be right back
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Old June 4th, 2020, 12:59 PM
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HOW does it feel in your hand ? Is it comfortable ? Will you be able to guide it where you have the bearing race ?
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Old June 4th, 2020, 01:09 PM
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Originally Posted by OLDSter Ralph
HOW does it feel in your hand ? Is it comfortable ? Will you be able to guide it where you have the bearing race ?
it’s in the case but it’s a small case - I believe it will work better than anything else I’ve seen - but will that smal grinding disc be able to get through all the bearing that I need it to in that hole to weaken it enough to get it out? Is a disc attachment the way to go?
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Old June 4th, 2020, 01:16 PM
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I’m gonna get it and chew at that bearing for a bit - hopefully I can get it out if not ... I’ll be back with more questions - thanks tons for your help!
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Old June 4th, 2020, 01:18 PM
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And yes I did figure out what “shank” meant - something new everyday ...
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Old June 4th, 2020, 01:32 PM
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Originally Posted by OLDSter Ralph
you need a CARBIDE tipped tool for a bearing race. Those look like HSS (High speed Steel) and they won't last
bah! I just saw this and jumped out of line - trying to research and see if there is even a small 1/8 carbide cutting wheel available before I buy this - If I buy it first - the carbide won’t be available for it - that’s how things work for me ... more researching ...
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Old June 4th, 2020, 02:44 PM
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Thanks tons for your help today Ralph - I was getting frustrated at the store - I ended up buying the 1/8 shank Dremel and diamond steel disks - I will be on the look out for carbide disks and Christmas trees - give me something to chew at that bearing for a bit - it’s the only thing holding me up on getting it back on the road - again I tip my hat to you sir - have a good day. And thank you as well DC - appreciate it!
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Old June 4th, 2020, 05:30 PM
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https://www.mscdirect.com/browse/tn/...vid=4287924206

This will getyou started
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Old June 4th, 2020, 05:49 PM
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Originally Posted by OLDSter Ralph
I’ll get some - thanks again!
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Old June 5th, 2020, 08:37 AM
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Originally Posted by Sugar Bear

TCS switch...I learned something there. Anybody explain how it functions??? Only allows advance in high gear???
!
Some applications have a wiring harness that runs from this switch to a solenoid mounted on the carburetor. There is ball bearing activated detent switch on the backside TCS switch that is pressed in when the shift lever is put in 4th gear. The solenoid on the carb then changes the vacuum advance in the distributor.

Last edited by Tri-Carb; June 7th, 2020 at 02:49 AM.
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Old June 6th, 2020, 07:40 AM
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Originally Posted by 72442455
I’ll get some - thanks again!

Slow going ...
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Old June 6th, 2020, 10:45 AM
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Originally Posted by OLDSter Ralph




thanks Ralph! That did the trick! So pumped! Now if only I had ordered the parts ahead of time I wouldn’t be waiting to reassemble it 😩 lol - still soooo relieved I got that done! Thanks again for your help!
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Old June 6th, 2020, 12:05 PM
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Originally Posted by 72442455



thanks Ralph! That did the trick! So pumped! Now if only I had ordered the parts ahead of time I wouldn’t be waiting to reassemble it 😩 lol - still soooo relieved I got that done! Thanks again for your help!
You did good !!!!!!!!! I think you are better prepared for "next time". Pat yourself on the back for a job well done. Glad I could help !
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Old June 6th, 2020, 01:25 PM
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Now I’m ordering all the stuff I need - one question... can I reuse the flywheel bolts or do I need to replace them? Thought I read somewhere that they were one use - but can’t find where I saw that again? If so ... any recommendations on whom to use?
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Old June 6th, 2020, 02:29 PM
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Originally Posted by 72442455
Now I’m ordering all the stuff I need - one question... can I reuse the flywheel bolts or do I need to replace them? Thought I read somewhere that they were one use - but can’t find where I saw that again? If so ... any recommendations on whom to use?
Flywheel bolts should be re-usable for your year. I think stuff from later years was different, JoeP has the answer. I think that may have been for head bolts that you recall and then it wouldn't apply to yours.
While I am thinking, try to get an 1/8" and 1/4" carbide ball end, in case you have remove a hardened spacer. The ball allows you to cut on the end.

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Old June 6th, 2020, 02:32 PM
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I went to summit and then centerforce directly - Summit doesn’t list olds as compatible - and Centerforce has “no matches” when searching 72 olds cutlass under centerforce 2 - anyone here that uses centerforce 2 that can help me out with a link or model # or a better site? Thanks in advance!
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Old June 6th, 2020, 02:39 PM
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Originally Posted by OLDSter Ralph
Flywheel bolts should be re-usable for your year. I think stuff from later years was different, JoeP has the answer. I think that may have been for head bolts that you recall and then it wouldn't apply to yours.
While I am thinking, try to get an 1/8" and 1/4" carbide ball end, in case you have remove a hardened spacer. The ball allows you to cut on the end.
i will keep my eyes out for the carbide ball and count on using some locktite on the existing fly Wheel bolts unless I hear something other - thanks again
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Old June 6th, 2020, 02:47 PM
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www.mscdirect.com has everything. You'll get dizzy from all the choices. They have grinding stones, cutting wheels, etc for your grinder. You could probably get anything in a couple days. They have way more stuff, if you have time to browse. Hardened washers, bolts, on and on.
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Old June 6th, 2020, 03:36 PM
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Originally Posted by OLDSter Ralph
www.mscdirect.com has everything. You'll get dizzy from all the choices. They have grinding stones, cutting wheels, etc for your grinder. You could probably get anything in a couple days. They have way more stuff, if you have time to browse. Hardened washers, bolts, on and on.
thank you
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