Mike, Thanks! I've not messed with too many manual trans cars and the truck six I have had a bigger flywheel and clutch but I thought it had the same size opening in bellhousing. Maybe I should look for that. Might be that behind a 250 they didn't bother with a big housing.
Pete > > From: Michael Pell <[EMAIL PROTECTED]> > Date: 2005/05/10 Tue AM 09:15:12 EDT > To: The Chevelle Mailing List <Chevelle-list@chevelles.net> > Subject: Re: [Chevelle-list] BELLHOUSING > > > The typical pick-up truck (1/2 ton, 3/4 ton) with a 4sp behind a > typical SBC/BBC have a larger bearing retainer opening (5") compared to > the cars (4 5/8"). > > http://www.5speedtransmissions.com/GmTruckBellhousingInfo.pdf shows > more detail, including pics. These bell housings can be used, but will > require a special made adapter ring to accommodate the larger opening > which in turns requires machining to your bearing retainer to "lock" > the adapter ring in place. > > Beyond that, I'm pretty sure the truck bells are suitable for use in > our cars. > > Hope that helps a bit. > Mike