It is impossible to say if that FF 14 bolt will just bolt into your truck without knowing whether it is setup for leaf springs or coils. Since the 14 bolt didn't come in that '69 originally, it's hard to say. The 3.73 and 4.11 gears are failry common in the FF 14 bolts. Although I believe 3.42 and 3.08 gears were available, but not very common or easy to find. I have measured a '74 FF 14 bolt and compared it to a '66 HO52, and the 14 bolt is a little wider.
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Originally Posted by 66 lwb cs
Thanks for the info but my question is will it bolt up with no mod other than the u bolts and are there gears available for it in say the 3:55 range or is it relegated to the steeper gears like the HO52? Also is it the same width for wheel fitment? Thanks in advance.
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