Transmissions and Drivetrain Need help with your trans? Problems with your axle?

TH350 trans mount bolt question....

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Old Sep 28, 2008 | 11:51 AM
  #1  
Fastbird's Avatar
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From: Freehold, NJ
Car: 1991 Formula
Engine: 434
Transmission: PG
Axle/Gears: 4.33
TH350 trans mount bolt question....

I am about to bolt up my trans mount to a TH350 and I am not sure what bolt thread/pitch the housing is.

I really don't think it is metric....

Anyone know the correct bolt type to mount a transmission mount to the TH350 case?
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Old Sep 28, 2008 | 12:00 PM
  #2  
xpndbl3's Avatar
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: TH350 trans mount bolt question....

1/2 or 9/16" i'd imagine. definitely not metric. Use a drill bit to slide into the hole to get a better idea.
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Old Sep 28, 2008 | 06:12 PM
  #3  
greezemonkey's Avatar
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From: The "D"
Car: A Portly 85 Z28
Engine: 4.530 X 4.250 BBC
Transmission: under rated for this application
Axle/Gears: also under rated
Re: TH350 trans mount bolt question....

I have had two different th350`s with a 10mmx1.5 thread otherwise it`s 3/8 24
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