Transmission id
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Senior User
Joined: Sep 2009
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From: Anderson California
Transmission id
Hi all. I'm usually in the dentside forum. Doing a tranny swap on my 1979 f250. Found a 1978 bronco with a 4 speed. Reverse is back against the seat. Would this tranny be a 435 or a t-18? Thanks
Post Fiend
Joined: Mar 2002
Posts: 19,402
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From: Bonita Springs FL
Not always true. I had an 1988 F-150 with a T-18 and reverse was to the right and down.
Best bet is to look at the case for any manufacturer markings.
Best bet is to look at the case for any manufacturer markings.
Moderator
Joined: Dec 2007
Posts: 7,987
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From: Boise, Idaho
Crawl underneath and look at it from the side.
NP435
The NP435 is known for it's smooth, round casing. It also has an aluminum shifter top:
T18
The T18 has a couple more sharp edges and straight, boxy lines on it:
NP435
The NP435 is known for it's smooth, round casing. It also has an aluminum shifter top:
T18
The T18 has a couple more sharp edges and straight, boxy lines on it:
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Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
1978/79 Bronco could have either the Warner T-18 (reverse shift pattern changed circa 1973) or the New Process 435.
Warner T-18: Shift lever retainer cap threads off/on.
New Process 435: Shift lever retainer cap has two notches, is retained to the shift tower with two pins.
Warner T-18: Shift lever retainer cap threads off/on.
New Process 435: Shift lever retainer cap has two notches, is retained to the shift tower with two pins.
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