1978 - 1996 Big Bronco

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Throttle body difference 351W

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Old

Nov 10, 2025 | 08:56 PM

#1

gov2mod

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Tuned

Joined: Jul 2004

Posts: 476

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From: Delaware

Throttle body difference 351W

1991 Bronco with 351W. What is the difference between the original throttle body F1TZ9E926Gon my 91 Bronco with 351w and the later F6TE-RA throttle body?

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Old

Nov 10, 2025 | 09:17 PM

#2

Conanski

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From: Ottawa, Ontario

The coolant line fittings changed shape and it went from 2 evap connections to one.

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Old

Nov 10, 2025 | 09:30 PM

#3

gov2mod

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Tuned

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From: Delaware

Thanks. So if I replace the one on my 91 Bronco it shouldn't matter which one I get, correct?

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Old

Nov 11, 2025 | 12:49 PM

#4

torq'ta 5 8

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From: N.W. Alabama

If you get the single EVAP throttle body, plug 1 line on your EVAP.

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Old

Nov 11, 2025 | 11:33 PM

#5

Conanski

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From: Ottawa, Ontario

No it won't matter, functionally they are the same and fwiw I believe the 5.0 use the exact same TB too.

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Old

Nov 15, 2025 | 06:29 AM

#6

My4Fordtrucks

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Quote:

Originally Posted by Conanski

…I believe the 5.0 use the exact same TB too.

Yes. Both engines use the same throttle body. I used to pick up spares when at the junkyard since the BBK t/b is expensive junk.

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