Thanks for posting the site Mike, i am sure it will get many visits from me in the future as info for our cars doesn't seem as commonplace as that for A,B,C-bodys e.t.c.

Been a few months since i swapped in an open 8 1/4 with 3.21 gears and even with my tall 28' tires its pretty sweet to drive.

Since i am keeping the 28' tires (new) i might consider a 3.55 sure grip swap in the future.

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79 sportsman window van 318 4bbl

what gears were you running before the swap?i have 2.76 gears in my 80 and im looking to swap in some taller gears.what kind of difference did you feel?

2.76 same as you, if your running stock tires (195\75\14) you will notice quite the difference in acceleration and around town snap when swapping to a 3.21 gear set.

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79 sportsman window van 318 4bbl

well im running about 28.5 tires in the back. and 26 in up front, for the cool stance and all lol

I just thought I'd add my two cents here. A few years ago, I swapped in an '82 Diplomat cop car 8 & 1/4 diff into my '78 Volare 2-door. The diff came with a 2:94 ratio, but I had a 3:55 ratio installed. Not so great on the highway, but around town it rocks!
Have fun!

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"Ja, Ich fahre ein altes auto."
'78 Volare 225
'67 Charger 318

I believe you're talking about the 62-64 models that you needed to used that special brake drum puller. The 65 B Body 8 & 3/4 is just like the 66-70 8 & 3/4s. It's my understanding that the overall width is slightly less than the 66-70s. Perch to perch distance is still the same though.

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Casually looking for a Clifford hyperpak intake for cheap.