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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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#71279 01/07/2007 5:43 AM | Joined: Feb 2006 Posts: 117 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2006 Posts: 117 | Now that the 265 is running...I want to get the SM420 hooked up to it. I have the bellhousing in place, but the tranny I bought didn't come with bolts. Anyone know the size/type required for this? Thanks-Dano 
my truck gets better every day...every PAYDAY  | | |
#71280 01/07/2007 6:33 AM | Joined: Feb 2004 Posts: 29,756 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,756 | If you're talking about the transmission-to-bellhousing bolts, they're 1/2" X 13. (1/2" coarse thread, 3/4" wrench size) The lower legs of the transmission will have those threads, and the bolts come through the bellhousing and screw into the transmission. If you want the strongest bolts commonly available, buy Grade 8 bolts, with 6 lines on the head. The standard bolt is a Grade 5, with 3 lines.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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#71281 01/07/2007 6:49 AM | Joined: Feb 2006 Posts: 117 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2006 Posts: 117 | Thanks Hot Rod Lincoln!! That's exactly what I needed to know!
Dano
my truck gets better every day...every PAYDAY | | |
#71282 01/07/2007 7:48 AM | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | A pair of 235 head bolts with the heads ground off of them make dandy guide pins for re-installing an SM 420, too. Those things are heavy!
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A lone amateur built the Ark. A large group of professionals built the Titanic. | | |
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