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Home » Public Forums » GMCnet » [GMCnet] Reviving the Cad 500  () 1 Vote
Re: [GMCnet] Reviving the Cad 500 [message #164425 is a reply to message #162802] Wed, 28 March 2012 01:48 Go to previous messageGo to previous message
Richard Brown is currently offline  Richard Brown   United States
Messages: 281
Registered: May 2009
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A question; If I remember correctly, wasn't the bushing that the torque converter snout rides in replaced because of uneven wear? I remember reading that some dowel pin holes were drilled slightly offset from the factory. Could a mis-aligned transmission mounting cause thrust bearing problems? This may have already been discussed, but if so I missed it. I've heard that some engines are more tolerant than others in this regard. I do remember a discussion about a possible overpressure of the torque converter because of a restricted cooler. I'm asking because I know someone who just had to replace his torque converter & bushing on his GM car. The mechanic used a standard bellhousing & a dial indicator to check the alignment & install offset dowel pins. I didn't see how it was done but just know what was done. After the alignment, a rebuilt transmission was installed & so far it's doing OK. While the trans & motor was out, he rebuilt the motor and noticed
that the thrust bearing clearance was pretty loose. If the solution is found, I'd like to pass the info on. It's possible that since Cadillac engines were never fitted with manual transmissions, they are less tolerant of excessive thrust to the crank. Some earlier Olds 455s were fitted with manual transmissions, so perhaps they are more able to stand the stress.

Richard & Carol Brown

1974 Eleganza SE

"DILLIGAF"

Lindale, Tx. 75771

903-881-0192
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Richard & Carol Brown 1974 Eleganza SE 1174 Hickory Hills Dr. Murchison, TX. 75778
 
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