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| | | | Joined: Sep 2009 Posts: 5,974 Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT | | Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT Joined: Sep 2009 Posts: 5,974 | Mark,
I think in this case the OP is looking to upgrade his "crash box" transmission with a later SM420 that at least has synchro's in 2nd - 4th gears, instead of changing to a T-5 5 speed.
I am pretty sure there have been a number of conversations about doing just that. Going to let others with more knowledge than I have chime in here and offer some help.
Dan
~ Dan 1951 Chevy 3 window 3100Follow this story in the DITY Gallery"My Grandpa Carl's Truck and How it Became Mine"1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
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