Junkyard drive shaft for 8.8 swap in 68 - Vintage Mustang Forums

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post #1 of 3 (permalink) Old 05-15-2017, 03:12 PM Thread Starter
Join Date: Nov 2015
Posts: 48
Junkyard drive shaft for 8.8 swap in 68

So I hunt began because the stock C4 shaft on my 68 was too long at 50 31/32", needed a shaft around 50" measured from c-c of u-joints for the 8.8 swap. After some web searching came up with these options but please double check actual measurements as these were pulled off the web.

88 Tbird 50 1/4"
83-88 Cougar 50 1/4"
00-09 Ranger Reg Cab Short Bed 50 1/4"
2011 Nissan Frontier 4 door 4wd 50"
96-2001 Explorer 4 door 2wd 50 1/2"
98-2000 Isuzu Rodeo 2wd 49 3/4" 4" diameter alum.

I found a 99 Rodeo shaft at the local yard already pulled and pleasantly surprised that it was manufactured with Spicer ends and u-joints. Used a Napa UJ369 u-joint for trans slip yoke and Moog 253 conversion u-joint for the rear. The slip yoke clearance came out to be a perfect 1" and the polished area on the slip yoke from the tranny seal sits exactly where the stock drive shaft put it. With the slip yoke bottomed out approximately 1/2" was measured form tail shaft to yoke flange. Was a bit concerned about the 4" diameter but because I partially centered the 8.8 pumpkin by cutting equal lengths off each axle tube and swapping to opposite sides (swapping axles also) it looks like there will be no clearance issues when suspension articulates. Oh, did I mention this thing is light! All good!
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post #2 of 3 (permalink) Old 05-15-2017, 03:21 PM
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Location: Edmonton, Alberta, Canada
Posts: 267
As a correction, the 84-88 Tbird driveshaft measures 49-1/2 " C-C. At least the one I grabbed.

I have one behind my 90 T5 and Exploder 8.8
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post #3 of 3 (permalink) Old 05-15-2017, 03:38 PM
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Join Date: Oct 2014
Location: Durham, NC, from Ann Arbor
Posts: 3,747
Nice! At 4" diameter I can understand why a more less centered pumpkin would be required for clearance, crowded as the driveshaft would be up in there anyway. For the record (and not that it matters much) my 3.5" aluminum exploder d.s. measures in at 50.75", not 50.5" as you recorded above. It will need shortening but I found a place that can do it well and easily, or so they say.

Excellent discovery, reporting, and pics!

68' Fastback 302 GT, 350hp,T5z, some mod's
Near total rebuild began 12/08 AND NOT DONE YET
Archer, S5 E7: "Don't you have a tractor pull to go headline?"
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