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-   -   Metric 200 - What do I need to make one last (https://classracer.com/classforum/showthread.php?t=76365)

nhramnl 06-02-2020 09:19 AM
Re: Metric 200 - What do I need to make one last
 
I recently had the rear end of my car apart to change the ring and pinion, and when I was re-installing the driveshaft, I noticed that the output shaft of the McClay THM200 in the car seemed to be free to move around an awful lot. I immediately checked my spare McClay THM200, and the output shaft was exactly the same. With the driveshaft installed, the movement was all but gone. Never noticed that degree of movement with Powerglides or THM350s. Does the driveshaft slip yoke stabilize the output shaft that much, in a THM200?

MR DERBY CITY 06-02-2020 09:36 AM
Re: Metric 200 - What do I need to make one last
 
Quote:
Originally Posted by nhramnl (Post 615720)
I recently had the rear end of my car apart to change the ring and pinion, and when I was re-installing the driveshaft, I noticed that the output shaft of the McClay THM200 in the car seemed to be free to move around an awful lot. I immediately checked my spare McClay THM200, and the output shaft was exactly the same. With the driveshaft installed, the movement was all but gone. Never noticed that degree of movement with Powerglides or THM350s. Does the driveshaft slip yoke stabilize the output shaft that much, in a THM200?
Yes, my first experience with the output shaft alarmed me too......

Jack Matyas 06-02-2020 01:45 PM
Re: Metric 200 - What do I need to make one last
 
I've had units from both Turbo Action and Jack Sepanek and both companies will build you one that will last and get you into the winners circle .

Mark Yacavone 06-02-2020 06:23 PM
Re: Metric 200 - What do I need to make one last
 
Quote:
Originally Posted by nhramnl (Post 615720)
I recently had the rear end of my car apart to change the ring and pinion, and when I was re-installing the driveshaft, I noticed that the output shaft of the McClay THM200 in the car seemed to be free to move around an awful lot. I immediately checked my spare McClay THM200, and the output shaft was exactly the same. With the driveshaft installed, the movement was all but gone. Never noticed that degree of movement with Powerglides or THM350s. Does the driveshaft slip yoke stabilize the output shaft that much, in a THM200?
Mike, Yes, with no removable tailhousing , there's no support bushing in the rear, besides the very end one . Cost-cutting, no doubt.

Mark Yacavone 06-02-2020 06:29 PM
Re: Metric 200 - What do I need to make one last
 
All good options, so far ..
At least one missing... Think West...Way West ;-)

SDT1DYI 06-02-2020 08:39 PM
Re: Metric 200 - What do I need to make one last
 
X 2. Scott McClay. Worth every penny and very dependable.

Steve Teeter STK 620.

MEXJOE 06-04-2020 10:17 AM
Re: Metric 200 - What do I need to make one last
 
X3. Scott McClay.!
I use one in my AA/SA ZL1 427
it 60'S 1.28 at 3540 lbs!
Scott is a great guy to deal with and knows how to build a 200 metric to last!

Mark Yacavone 06-04-2020 05:40 PM
Re: Metric 200 - What do I need to make one last
 
I guess Tehachapi IS farther west than San Dimas , a little bit ;-)

I happen to know most all on these guys mentioned, so it's hard to recommend one over the other..Besides, that wasn't the o/p's question.

There's a racer in Kansas that's a pretty good builder too..

Joe Schweigert 06-04-2020 08:17 PM
Re: Metric 200 - What do I need to make one last
 
Quote:
Originally Posted by KennyAnderson (Post 615712)
Thanks guys and keep em coming! I've been told the Metric 200 is about a tenth faster than a TH350. Hoping this is true??? I would hate to leave that on the table but I'm wrestling with the durability of the 350.
it's not, unless its a stocker or a generic 350 you get some weight savings a nickel on a Super Stock at least a dime on a Stocker But .005 is a lot we spend a lot of time and money looking for a tenth

Joe Schweigert 06-04-2020 08:21 PM
Re: Metric 200 - What do I need to make one last
 
Quote:
Originally Posted by Mark Yacavone (Post 615915)
I guess Tehachapi IS farther west than San Dimas , a little bit ;-)

I happen to know most all on these guys mentioned, so it's hard to recommend one over the other..Besides, that wasn't the o/p's question.

There's a racer in Kansas that's a pretty good builder too..
Leo builds a great unit


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