I'm looking to find out what 4 speed options there were
attached to the 1970 Rocket 350. I'm going to be on the
lookout for a factory bellhousing in good condition ASAP.

If anyone has any ideas, please post up the info.
Thanks.

 

The M20 or M21.

 

And any Buick, Olds, Pontiac manual transmission bellhousing from the mid-1960's into 1970's will fit, if your not focused on the exact casting number matching. I've picked up a couple Poncho bellhousings off Craigslist. I think you can find a couple on ebay at any given time. The one wild card I've encountered is the late 1970's into early 1980's Omega used a different clutch fork setup. They had one that pulled with a cable. So look to see it has the fork setup. John

 

Thanks for the info gents.

I was asking to determine if I would use an adaptor plate for the Old bellhousings or go with the Mcleod Universal Bellhousing that's SFI approved.
Putting a LS1 T56 6 speed in mine from a 90's Fbody .


http://www.summitracing.com/parts/MCL-8710-10/