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Hi all i just purchased a 4 speed transmission today it is a RUG AV1 i was told it came from a 1970 boss 302 car. I got the transmission, bellhousing, hurst shifter , clutch, pressure plate , flywheel , linkages , the lower half of my shaker air breather and the spoiler that goes under the front bumper for the tidy sum of $1100 Can anyone enlighten me on this transmission it is a wide ratio ??? By the way my car is a 351w motor i am yanking the auto out. Converting to a 4 speed. Any thoughts besides the fact that i sound like a nut.
9C549151-4AE6-4B71-8CE9-D546A4F640F8.jpeg
 

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Mark, I believe that is a 28 spline wide ratio from a 1970 Mustang 302 or 351 .

LSG
 

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From Mustangtek:


70 - 71 302-351 4v Mustang

Unconfirmed Application. Information may or may not be complete or accurate71 Boss 351
28 spline

Wide ratio

24 1/2" long
 

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$1100 for what you bought sounds like a great deal. If it's the factory Hurst unit and it's complete, then that's a killer deal.

RUG-AV1 is a 2.78 first wide ratio Toplaoder.

70 Mustang & Cougar : Boss 302 / 351-2V / 351-4V
71 Mustang & Cougar : 351-4V / 351CJ

The main case should have a partial VIN stamp on the top of the driver's side mounting ear.

742054
 

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Discussion Starter #8
$1100 for what you bought sounds like a great deal. If it's the factory Hurst unit and it's complete, then that's a killer deal.

RUG-AV1 is a 2.78 first wide ratio Toplaoder.

70 Mustang & Cougar : Boss 302 / 351-2V / 351-4V
71 Mustang & Cougar : 351-4V / 351CJ

The main case should have a partial VIN stamp on the top of the driver's side mounting ear.

View attachment 742054
I will check that out . The shifter is the original from the car it a hurst . Thanks for your reply
 

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Man, I hope you bought a lottery ticket.
That is a killer deal.
Russ
 
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