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Mod | | | Forums66 Topics128,125 Posts1,056,336 Members48,439 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#71939 01/19/2007 7:29 AM | Joined: Jul 2006 Posts: 34 Shop Shark | | Shop Shark Joined: Jul 2006 Posts: 34 | do i need to replace the original crossmember on my 59 apache 3100 since i am going with a 700r4 automatic transmission. i would like to hear from members who have done this conversion to see what i am getting into. thanks,jimbo
FOR EVERY PURCHASE MADE BY A BOLTER I CONTRIBUTE BACK TO THE STOVEBOLT SITE.KEEP ME IN MIND FOR YOUR 47-59 ORIGINAL CHEVY TRUCK PARTS NEEDS. THANKS,JIMBO MY CELL NO. 817-648-3249 "SOME OLD CHEVY TRUCKS MUST DIE SO THAT OTHERS CAN LIVE"
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#71940 01/19/2007 7:53 AM | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | yes you need a trans support crossmember for any automatic, they can't hang off the engine the way the manual trans did - there is none under either original manual trans - they're available from vendors, or fab yer own
Bill | | |
#71941 01/19/2007 6:40 PM | Joined: Sep 2006 Posts: 1,276 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 1,276 | Hey Bill What about Motor mounts? You don't want to mount the hole drive train from the ends. Don't you also have to change to side motor mounts? | | |
#71942 01/19/2007 7:05 PM | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | if you have the original 283V8 front peg style mounts, then yes, you need to change to the side mounts, but most folks do that anyway on non-stock V8 installs - also you hafta actually notch or remove the original rear crossmember for a modern auto trans to fit without problems I looked at putting a NP A833 4spd with the heavy iron case in a TF with the front mounts, and figured it would work to fab up a thin sheet steel piece to put between the bellhouse and block that had ears to replace the mounts on the old bellhouse ... might work with an auto too, but I'm not sure how adding that 1/4" space would affect things  Bill | | |
#71943 01/19/2007 11:40 PM | Joined: Sep 2006 Posts: 1,276 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 1,276 | Thanx Bill
"I looked at putting a NP A833 4spd with the heavy iron case in a TF with the front mounts, and figured it would work to fab up a thin sheet steel piece to put between the bellhouse and block that had ears to replace the mounts on the old bellhouse ... might work with an auto too, but I'm not sure how adding that 1/4" space would affect things" Bill
I see no problem with that if a guy put the same size spacers between the flexplate and the torque converter
Grant | | |
#71944 01/20/2007 10:03 AM | Joined: Jul 2006 Posts: 34 Shop Shark | | Shop Shark Joined: Jul 2006 Posts: 34 | so any chevy automatic transmission crossmember will work??? will one from a 67-72 chevy work.i am putting a 68 430 buick big block in it. i know i will have to change to side mounts on the motor. thanks for the helpful info.
FOR EVERY PURCHASE MADE BY A BOLTER I CONTRIBUTE BACK TO THE STOVEBOLT SITE.KEEP ME IN MIND FOR YOUR 47-59 ORIGINAL CHEVY TRUCK PARTS NEEDS. THANKS,JIMBO MY CELL NO. 817-648-3249 "SOME OLD CHEVY TRUCKS MUST DIE SO THAT OTHERS CAN LIVE"
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#71945 01/20/2007 6:36 PM | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | Jim - the 55-50 and 67-72 frames are very different, but you could prolly adapt it ... more common is the universal style tube piece available from the vendors
Bill | | |
#71946 01/20/2007 8:49 PM | Joined: Jul 2006 Posts: 34 Shop Shark | | Shop Shark Joined: Jul 2006 Posts: 34 |
FOR EVERY PURCHASE MADE BY A BOLTER I CONTRIBUTE BACK TO THE STOVEBOLT SITE.KEEP ME IN MIND FOR YOUR 47-59 ORIGINAL CHEVY TRUCK PARTS NEEDS. THANKS,JIMBO MY CELL NO. 817-648-3249 "SOME OLD CHEVY TRUCKS MUST DIE SO THAT OTHERS CAN LIVE"
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#71947 01/22/2007 3:13 AM | Joined: Jul 2006 Posts: 34 Shop Shark | | Shop Shark Joined: Jul 2006 Posts: 34 | GOT ONE TODAY FROM LMC TRUCK. 60.00 NOT A BAD PRICE. THANKS GUYS FOR ALL YOUR HELP.
FOR EVERY PURCHASE MADE BY A BOLTER I CONTRIBUTE BACK TO THE STOVEBOLT SITE.KEEP ME IN MIND FOR YOUR 47-59 ORIGINAL CHEVY TRUCK PARTS NEEDS. THANKS,JIMBO MY CELL NO. 817-648-3249 "SOME OLD CHEVY TRUCKS MUST DIE SO THAT OTHERS CAN LIVE"
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