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Attention 1971 Mustang Owners
#1
Hi All!

As an offshoot of this week's Weekly Fun Question, it has come to our attention that the Ford Toploader Close Ratio Transmission (RUG-AW1) was available in the 1971 351 4V Mustangs. Several sources on the "Net" indicate that this was a reality.

This information is at odds with the statistical data published in Marti's "Mustang ...by the Numbers (1967 -1973)" which shows that the 1971 429s were the ONLY Mustangs during the 1971 - 1973 period to receive the close ratio (2.32) gear ratio transmission. According to that Source, all others 4-Speeds received the Wide ratio (2.78) transmission.

I am curious as to whether any of you might have what might be one of the 2.32 Ratio Transmission in your 351 4V 1971 Mustangs (from the Factory).

Thanks!

BT


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#2
To add to the above, I believe the transmission code would be 6 on your door sticker if you have the 2.32 ratio transmission.
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#3
Only the 429 machs? I know they were on BOSS mustangs too (I know you are talking about machs only here).
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#4
Triostang;39240 Wrote:Only the 429 machs? I know they were on BOSS mustangs too (I know you are talking about machs only here).
No, actually according to the reference (Marti's "Mustang...by the Numbers, 1967 - 1973") ALL the Boss 351s came with the wide ratio 4-speed transmission.

I am speaking of ALL the 1971 Mustangs that came with a 4-speed transmission in the post above.

BT


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#5
cobra3073;39266 Wrote:
Triostang;39240 Wrote:Only the 429 machs? I know they were on BOSS mustangs too (I know you are talking about machs only here).
No, actually according to the reference (Marti's "Mustang...by the Numbers, 1967 - 1973") ALL the Boss 351s came with the wide ratio 4-speed transmission.

I am speaking of ALL the 1971 Mustangs that came with a 4-speed transmission in the post above.

BT

Well I can't really argue your point since my boss came with a wide ratio 4-speed Lol. I figured since everywhere I ever read about the boss 351 said a close ratio was optional.

I learn new things every day.
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