Author Topic: 67 T400 Transmission Mount  (Read 4318 times)

big iron

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67 T400 Transmission Mount
« on: November 15, 2014, 08:07:33 PM »
The T400 mount was changed from 3872247 to 3895831 sometime between Jan. 67 and end of production. Reference 69 P&A, REV. 10-1-69, Gr. 4.081. Only reference in 67 AIM is for non BB T400 mounts.
Anyone know when this may have happened?
I am venturing a guess that the 2nd design 3895831 would be correct for my 67 05E build.
Bob

vtfb68

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Re: 67 T400 Transmission Mount
« Reply #1 on: November 15, 2014, 08:46:36 PM »
Big Iron,
   Non BB T400 mounts? What small block came with a T 400?  Would a new part number coincide with the introduction of the 396 ? ( the BB transmission cross members are also off-set)
    Victor
68 05C LA RS/SS U2 712 L34 M21 BR
68 08E LA RS Y2 749 L30 M35
67 11B LA  RS/SS M-1 797-Z L48 M21  Convertible

big iron

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Re: 67 T400 Transmission Mount
« Reply #2 on: November 15, 2014, 09:44:42 PM »
Victor,
If you look at the AIM 6 B9 revision record you will see a mount revision, just wanted to make sure no one mistook that revision for the BB change.
I believe the first SB with a T400 was the big pass. with a 327 275 HP around Jan, 67.
3872247 was the first mount introduced on the auto. 325HP 396 but sometime before the end of 67 production it was changed. Why and when I am trying to find out.
You are correct about the BB support assy. 3912573 and CRG has a good report that addresses that issue.
Bob  

big iron

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Re: 67 T400 Transmission Mount
« Reply #3 on: April 15, 2022, 05:44:39 PM »
Old post but never received an answer to my question. In the time frame in question there was also a change in the trans, pan from a slant bottom to flat bottom, plus a change in filter design.
This may have been around the same time of the rear mount change.                                                                                                                                                                                                                                                                                                                                                                               
Bob