What holes to use for trans brace. (402 T400) - The 1947 - Present Chevrolet & GMC Truck Message Board Network

REPO1 · 03-07-2005, 12:51 AM

I am just bolting together my frame and was wondering if anyone could tell me what holes I would be using for the turbo 400 trans behind a BB??

Also, while we are at it, which holes do the motor mount brackets bolt into? (front or rear)

thanks!

**67sss** · 03-07-2005, 01:42 AM

whats nice about these trucks is you can figure out which holes to use when you're putting the engine tranny in. what I've allways done was to put the motor as far forward as I can, leaves room for the dist/firewall, and just slide the tranny crossmember as far back as you can until the engine tranny is put in, then put the crossmember in. I also only use the bottom 4 bolts to attach it to the frame. All this was done with a small block, don't know if BB are diff.

REPO1 · 03-07-2005, 09:58 AM

That is what I may end up doing. I was just hoping someone knew for sure so I could have it all ready. I don't want to scratch it all up, moving it around.

03-07-2005, 12:51 AM	#1
REPO1 Shortbox wanna-be. Join Date: Mar 2002 Location: Fort St.John, British Columbia, Canada Posts: 773	What holes to use for trans brace. (402 T400) I am just bolting together my frame and was wondering if anyone could tell me what holes I would be using for the turbo 400 trans behind a BB?? Also, while we are at it, which holes do the motor mount brackets bolt into? (front or rear) thanks! __________________ 1970 Chevy C20 Custom Camper 402BB Turbo 400 trans. (Slowly becoming a '70 shortbox 1/2 ton) '71 Camaro SS 402/T400 resto '97 Z28 (11.41@127MPH)

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03-07-2005, 01:42 AM	#2
67sss Registered User Join Date: Nov 2002 Location: Mt. Vernon, WA.. Posts: 2,324	whats nice about these trucks is you can figure out which holes to use when you're putting the engine tranny in. what I've allways done was to put the motor as far forward as I can, leaves room for the dist/firewall, and just slide the tranny crossmember as far back as you can until the engine tranny is put in, then put the crossmember in. I also only use the bottom 4 bolts to attach it to the frame. All this was done with a small block, don't know if BB are diff.

03-07-2005, 09:58 AM	#3
REPO1 Shortbox wanna-be. Join Date: Mar 2002 Location: Fort St.John, British Columbia, Canada Posts: 773	That is what I may end up doing. I was just hoping someone knew for sure so I could have it all ready. I don't want to scratch it all up, moving it around.



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