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79vette 05-29-2025 02:34 AM

Bellhousing Help?
 
1 Attachment(s)
I am trying to find a replacement bellhousing to connect an SM465 to a GM 6.2L diesel. My current bellhousing is GM 6263756 but it is bent an I am having a really hard time dialing in the runout.

I tried buying one from Novak, but the unit they sent me had a totally different starter opening that will not fit my starter. See the photo below. I'm hesitant to buy a used bellhousing out of fear it might be just as bent as the one I have currently.

Does anyone know of a reproduction unit that has the starter cutout shaped like my current 6263756 bellhousing?

Accelo 05-29-2025 12:29 PM

Re: Bellhousing Help?
 
GM cast literally millions of the 460 486 bellhousings to cover the larger flywheel and clutch in 1970's light trucks, both 6 and 8 cylinder. The problem is the Muncie SM 465 truck transmissions had a 5 1/8" (5.125") front bearing retainer, so you can't use it with the smaller car transmissions.

Several on Ebay;
https://www.ebay.com/p/1917810242

79vette 05-29-2025 04:01 PM

Re: Bellhousing Help?
 
Have you seen anyone who is producing that bellhousing design new?

I have not had good luck with used bellhousings in the past. I guess I could just keep buying them used until I get one that isn't bent but I'd prefer to start with a known good own if possible

v30crewcab 05-30-2025 12:09 PM

Re: Bellhousing Help?
 
never seen a bent aluminum bellhousing, they usually just crack. I probably have several of those laying around in good shape.

kwmech 06-03-2025 10:45 AM

Re: Bellhousing Help?
 
Real easy to tell if they're cracked or not by the ring tone in them

russgt 06-18-2025 01:10 PM

Re: Bellhousing Help?
 
Quote:

Originally Posted by Accelo (Post 9387490)
GM cast literally millions of the 460 486 bellhousings to cover the larger flywheel and clutch in 1970's light trucks, both 6 and 8 cylinder. The problem is the Muncie SM 465 truck transmissions had a 5 1/8" (5.125") front bearing retainer, so you can't use it with the smaller car transmissions.

Several on Ebay;
https://www.ebay.com/p/1917810242

You can buy spacers for this application. i ran a Super T10 with a truck bellhousing.


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