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rear end question


Discussing rear end question in the V6 Mustangs Forum. if a 4.6l ford gt engine was dropped into my sixer how would the ...

       

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Old January 20th, 2008, 07:01 PM   #1
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rear end question

if a 4.6l ford gt engine was dropped into my sixer how would the 7.5 rear end hold up? wiser to get an 8.8 maybe?
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Old January 20th, 2008, 07:02 PM   #2
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Not long. Especially if you drive it hard.

You're better off with the 8.8 plus you get posi with it. The 7.5 is an open dif.
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Old January 20th, 2008, 07:05 PM   #3
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so no matter what 8.8 rear end it is, its already got the t-lok on it?
also will a new 2006-7-8 or whichever 8.8 rear end fit? have a couple of take-off sites saved..
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Old January 20th, 2008, 07:10 PM   #4
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o, and wat if my 7.5 rear end has t-lok
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Old January 20th, 2008, 07:11 PM   #5
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I believe ford kept the same rear end in the s197's.

And Zippy told me that MSO had a nice rear end. I don't know what's up with that....
Last edited by breakout831 : January 20th, 2008 at 07:14 PM.
 
Old January 20th, 2008, 07:12 PM   #6
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If your 7.5 has t-loc it's not gonna matter with the power the v8's gonna give you. You'll still need a 8.8
 
Old January 20th, 2008, 07:14 PM   #7
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okay, well will a take off from one of the new models fit on my 01?
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Old January 20th, 2008, 07:22 PM   #8
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yes...it will. it's the same rear end used in 99-04's.
 
Old January 20th, 2008, 07:22 PM   #9
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i though take-offs were gonna be cheaper but.....nope, gotta find another one. unless anyone knows any good websites for 8.8 ends.
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Old January 20th, 2008, 07:24 PM   #10
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your best bet is to find a used one locally. shipping will cost a lot of $$$ if it's traveling long ways.
 
Old January 20th, 2008, 07:27 PM   #11
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good point. geuss ill try to find one at the junkyard, first time im ever hoping someone driving a mustang hit someone with the front of their car. lol
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Old January 20th, 2008, 07:30 PM   #12
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thanx for the rep points
 
Old January 20th, 2008, 07:30 PM   #13
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lol, well it was a good point, question 2, wats the exact name for an 8.8 rear end? a rear differential?
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Old January 20th, 2008, 07:31 PM   #14
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i blew my stock 8.8 up i would suggest getting one and maybe beefing it up a bit
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Originally Posted by drgnracin72 View Post
if your not breaking shit, your not going fast enough
 
Old January 20th, 2008, 07:36 PM   #15
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are they called differentials?
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Old January 20th, 2008, 07:39 PM   #16
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a differential is what you bolt the ring gear to which when the pinion gear spins it spins the diff in turn turning the axels which turns the wheels
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Originally Posted by drgnracin72 View Post
if your not breaking shit, your not going fast enough
 
Old January 20th, 2008, 07:42 PM   #17
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okay so what i should be looking for is an 8.8 rear end, just exactly that right?. just want to make sure before i go around askin the wrong thing.
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Old January 20th, 2008, 07:43 PM   #18
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IMO i would get an 8.8 out of a gt and get a decent diff to go with it...you dont need to do anythin to extensive or crazy if you dont plan on pushing really large numbers
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Originally Posted by drgnracin72 View Post
if your not breaking shit, your not going fast enough
 
Old January 20th, 2008, 07:46 PM   #19
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ya you should be able to pick one up pretty cheap from a junk yard. sand blast it and paint it and it will look awesome
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Originally Posted by drgnracin72 View Post
if your not breaking shit, your not going fast enough
 
Old January 20th, 2008, 07:48 PM   #20
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8.8 is the diameter of the ring gear in inches.

So 8.8>7.5 just due to being bigger and thus stronger.
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