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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: May 2009 Posts: 134 Wrench Fetcher | | Wrench Fetcher Joined: May 2009 Posts: 134 | looking for a harmonic balancer sleeve for a 1941 gmc 248... anyone make that sucker . thanks kat
I like fixing stuff.
| | | | | Joined: Oct 2006 Posts: 1,847 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 1,847 | What I have gathered from the bearing house we use at work is CR (Chicago rawhide) and National seal are the two main suppliers of speedi sleeve type devices. You will probably be able to find them from one of the common vendors, listed by the engine, but you can just go by the measurements and use the bearing house as well. You can just take the piece to the bearing house and they will measure it for you, if you don't have micrometers/calipers. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | This might be one that will work - check the dimensions. Maybe someone knows if the crank was the same in 1941 and 1948? | | | | | Joined: Jan 2000 Posts: 2,074 'Bolter | | 'Bolter Joined: Jan 2000 Posts: 2,074 | For the Chevy motors I've always used the sleeve for the small block V8, fits my 235s. | | | | | Joined: Dec 2010 Posts: 97 'Bolter | | 'Bolter Joined: Dec 2010 Posts: 97 | I have used the CR 99176 sleeve on my 261 but that doesn't answer to your exact question. The link to Rockauto above does give some dimensions. | | |
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