[WANTED] Early Valiant Barracuda 904 to 8 3/4 drive shaft

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nick455440

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Looking for a 904 to 8 3/4 drive shaft out of a early valiant or 64-66 Cuda, the transmission is a 73/74 904, preferably in Florida or south GA, thanks
 
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nick455440 said:
Looking for a 904 to 8 3/4 drive shaft out of a early valiant or 64-66 Cuda, preferably in Florida or south GA, thanks
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If your 904 is original to the car, then you’ll have a trunnion flange. It will have to be custom built for your combination. I have a conversion driveshaft for the 64/55 Valiant or Barracuda with the trunnion flange AND 8.75. I bought it from another member for my 65 Barracuda, which is long gone. PM me if interested.
 
My bad, I just edited the post, the trans will be a early mid 70’s 904, I think a 74 (been awhile since I ran the numbers)
 
nick455440 said:
Would the length be the same, I thought the 8 3/4 took a shorter shaft than the smaller rearends[/QUOTE


It should be about 49 1/2" long, center to center on the u-joints. Speaking of which, you'll need to match those too depending on which pinion flange you have on the 8 3/4. You can always get a conversion joint, but, they're kind of hassle to find if you have one fail and need it right away. Since you are using a 904, I assume you are going to use a common slip yoke with the 2 1/8" u-joint. Hopefully you have the same size pinion flange connection so you can use a stock driveshaft and not have to make one. Just makes things easier. You can always shorten your old on too, but, you'll need a yoke (if your old one has the ball and trunion joint). If you have a mismatch on the u-joint size, that might the way to go, as you can have the 2 5/8" end welded on if needed.
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