is this a 7.5 or 8.8????

66sprint6 · Jul 11, 2007

Ok, so i need help on this one...tore this rear end down and now Im confused, is this a 7.5 or an 8.8. Was told its an 8.8 but Im almost positive its a 7.5 now and Im kinda ticked!!! Also, what is with the diff??? Its a trac loc, or at least the axles spin together, but no S clip??? What the heck and i lookin at????

maxine-70 · Jul 11, 2007

thats a 7.5 with what appears to at least be a decent gear ratio by the size of the ring gear thickness.

im no expert on ford differentials, but it looks nothing like any of the factory 7.5/8.8 limited slip rears ive seen. someone else will know

66sprint6 · Jul 11, 2007

Thats what im thinkin, ive seen my share of diffs before, this one doesnt have but one opening, pictured, and no S clip, but a couple springs instead...anyone have a clue???
Matt

Modular2v · Jul 11, 2007

thats an auburn differential it looks like!

but my eaton kinda looked like that! Either way....better than the stock trac lok for sure!!!!!!!!

85_SS_302_Coupe · Jul 11, 2007

Definitely a 7.5.

7.5:

8.8:

bullitstang1313 · Jul 11, 2007

Looks like an auburn unit to me. Rear looks like it is definately a 7.5 though.

66sprint6 · Jul 11, 2007

ok...with that said, heres what I want outta the rear...
its goin in my 66 mustang with a 200ci inline six which will be boosted to about 350-400hp TOOOOPS!!!! Itll prolly put down mid 400 torque again, TOPS...will this 7.5 with the beefed up internals that its got work or should I say screw it and go with an 8.8???
Thanks guys, i knew it looked a little different lol
Matt

85_SS_302_Coupe · Jul 11, 2007

I would look into the axles and see if they're aftermarket as well. I would probably trust an aftermarket 7.5 over a stock 8.8.

is this a 7.5 or 8.8????

66sprint6

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85_SS_302_Coupe

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