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Who is actually using Clark's High-stall torque convertor?
Posted by: Paulsgt ()
Date: September 22, 2020 10:07AM

Hello Corvair folks,

I installed the Clark's high-stall torque converter early this spring. From the first time I started it, it sounded like the starter was having trouble like the gears weren't meshing. Once in a while I'd get a BANG when hitting the starter. Well, last week, I went to start the car and I got the BANG followed by nothing. Just a click like the solenoid was kicking but not turning the starter. Tried to jump the battery thinking it might be weak (even though it's new) it didn't help. Next I tried turning the engine by hand. Thought that might free up the starter. I could not turn the engine with a wrench (or by hand for that matter). So out came the starter and now the engine turns effortlessly. I took the starter to Mike Dawson who has an engine set up to test starters. We tested it and it works fine. Pulls about 104 amps and sounds good! Mike said I should count the teeth on the ring gear of the high-stall torque converter and compare to the old one. I will do this when time permits. Anyone else having issues with this part?

Thanks very much!

Enjoy the Corvair!

Paul Sergeant
CORSA Central Division Director / CORSA Treasurer
Lee's Summit, MO
CORSA since 1975
Member – HACOA, Corvair Minnesota, CORSA, Little Indians, POCI


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Re: Who is actually using Clark's High-stall torque convertor?
Posted by: isucorvair ()
Date: September 22, 2020 10:31AM

Paul -

I was using one - I installed it in the spring of 2019. I too had 'banging' issues, like you describe - but I had also put in a Hi-torque mini starter. I thought it was starter related, and put the stock starter back in, and had zero issues after that.

I only removed it because it didn't mate up with the 4 speed very well smiling smiley


Eric P.,
DeWitt, IA

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Re: Who is actually using Clark's High-stall torque convertor?
Posted by: The Stig ()
Date: September 22, 2020 10:40AM

Sorry to hear about your issues. I have installed one in my wagon. No problems or complaints.
My previous wagon came with one installed. No issues with it either.

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Re: Who is actually using Clark's High-stall torque convertor?
Posted by: TIBCO ()
Date: September 22, 2020 11:45AM

Add me to the list. I installed one in my 61 Rampside that has a 64-95HP PG engine installed. When the carburetors are warmed up, it idles at 800 in neutral and about 600 in drive/reverse. I swear by it. It's a little pricey, but well worth it to me.

Cliff Tibbitts
Nicholasville, KY
CORSA, CKCE, Derby City Corvairs
66 Monza, 140/4sp

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Re: Who is actually using Clark's High-stall torque convertor?
Posted by: tboltkc ()
Date: September 22, 2020 11:58AM

I didn't have any issues like that with the one I had installed either.

-Travis


'65 Corsa; '63 Convertible; '62 Wagon; '65 4 Door
Heart of America Corvair Owners Assocation (Kansas City, MO)
[www.hacoa.org]

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Re: Who is actually using Clark's High-stall torque convertor?
Posted by: RKF ()
Date: September 22, 2020 01:39PM

The first high-stall Torque converter I installed gave me starter issues. It turned out that the ring gear was not centered correctly on the torque converter.

It would cause the starter to bog down when it came to the high spot on the ring gear. I once even got the "bang" your described.

I pulled the torque converter back out and took it to a machinist friend to check the run-out on the ring gear. It was off by nearly a millimeter.

The replacement torque converter works perfectly.

Knoxville TN

1962 Corvair Rampside
1963 Corvair Spyder Convertible (project)
1966 Corvair Monza Convertible

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Re: Who is actually using Clark's High-stall torque convertor?
Posted by: Paulsgt ()
Date: September 22, 2020 03:32PM

Ugh! I guess it's coming out. Roger, what you describe sounds just like mine.

Any other thoughts/suggestions welcome.

Enjoy the Corvair!

Paul Sergeant
CORSA Central Division Director / CORSA Treasurer
Lee's Summit, MO
CORSA since 1975
Member – HACOA, Corvair Minnesota, CORSA, Little Indians, POCI


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