bellhousing question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

57larry · 10-25-2009, 04:07 PM

was the bellhousing for a 71-72 V8 alum. or metal? can't find a search

LONGHAIR · 10-25-2009, 04:45 PM

Uh,....yes?

**LockDoc** · 10-25-2009, 04:52 PM

Quote:

Originally Posted by LONGHAIR

Uh,....yes?

He's a little vague but I guess what LONGHAIR is referring to is that aluminum is metal...

To the best of my knowlege all of the truck ones were cast iron.

LockDoc

57larry · 10-25-2009, 04:58 PM

yea, I should have said cast or alum. didn't think I had to say the difference, gosh!!

Myself · 10-27-2009, 09:07 PM

So, is it hard to find an aluminum one then?? Or just not on 67-72 models? My buddy and I bought an '82 truck for parts. He kept the SM465 cause he uses them in his pulling trucks. I kept the 12 bolt rear, and the front crossmember. This truck had a 305 and an aluminum bellhousing. I kept it thinking I might actually use it someday.

Tx Firefighter · 10-27-2009, 09:52 PM

The aluminum ones are quite common. Like you found, later trucks used them. The difference though, is that the early cast iron units had provisions for mounts to the crossmember on the bottom of them that the later ones lack.

sweet70beast · 10-27-2009, 11:10 PM

The Center hole on the newer truck aluminum bells is bigger than the older cast iron ones. The older truck iron bellhousings and the car aluminum bells had the smaller holes because the bearing retainer on those trans were smaller.

10-25-2009, 04:07 PM	#1
57larry Registered User Join Date: Nov 2007 Location: Indianapolis Posts: 1,161	bellhousing question was the bellhousing for a 71-72 V8 alum. or metal? can't find a search

10-25-2009, 04:58 PM	#4
57larry Registered User Join Date: Nov 2007 Location: Indianapolis Posts: 1,161	Re: bellhousing question yea, I should have said cast or alum. didn't think I had to say the difference, gosh!!

10-27-2009, 09:07 PM	#5
Myself Registered User Join Date: Oct 2005 Location: Northern Arkansas Posts: 1,142	Re: bellhousing question So, is it hard to find an aluminum one then?? Or just not on 67-72 models? My buddy and I bought an '82 truck for parts. He kept the SM465 cause he uses them in his pulling trucks. I kept the 12 bolt rear, and the front crossmember. This truck had a 305 and an aluminum bellhousing. I kept it thinking I might actually use it someday.

10-27-2009, 09:52 PM	#6
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: bellhousing question The aluminum ones are quite common. Like you found, later trucks used them. The difference though, is that the early cast iron units had provisions for mounts to the crossmember on the bottom of them that the later ones lack. __________________ I'm on the Instagram- @Gearhead_Kevin

10-27-2009, 11:10 PM	#7
sweet70beast Registered User Join Date: Sep 2006 Location: Shelley Idaho Posts: 876	Re: bellhousing question The Center hole on the newer truck aluminum bells is bigger than the older cast iron ones. The older truck iron bellhousings and the car aluminum bells had the smaller holes because the bearing retainer on those trans were smaller. __________________ 1970 Nova 327/T5 (my 1st car) 1971 K-20 350/350/205 (winter DD) 1953 GMC Suburban 1968 Chevy Bel Air 1976 Chev C-10 1972 Skylark (suncoupe) 1 of 3943 made

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