V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

8.8 rearends

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Old 02-16-2006, 05:00 PM
  #11  
cobra232
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Default RE: 8.8 rearends

ORIGINAL: 02bluev6

as long as the rear end is in good condition 500 is a good price. I'm looking for one as well. I bid on ebay last night for a 8.8" rear out of a 2000 mustang and lost by 5 dollars. I was so pissed. I put my last bid in with 10 seconds left at 460 dollars and the some guy bid 465 and he won. I was so mad because i have been looking for quite some time now and the best thing about this rear was that it was a really good deal and i didnt have to pay for shipping becuase it was in orlando and i live about 2 hrs away so i was just going to pick it up. Around me it is hard to find 99 and up rears from the gt's. All i can find are ones from the early 90's fox bodies in salvage yards around me. Does anyone know where else i get a used rear from???? or if any one u know is sellign one? thanks.
with your automatic trans you will never blow the 7.5 rear with a detroit truetrac in it. you will just be wasting money and time on the 8.8
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Old 02-16-2006, 05:00 PM
  #12  
cobra232
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Default RE: 8.8 rearends


ORIGINAL: gt96stang


ORIGINAL: cobra232


ORIGINAL: mustangman02232


ORIGINAL: MTShambles

Stock gears will be 3.27's unless they swapped to a higher gear ratio.

Why are you wanting to switch? Its really not necessary unless you are running lots of boost and pushing a LOT of HP.

Would 96 8.8 rear end fit my 98 ? And would $500 be too much for it?
96s had 2.73. get them swaped for some 4.10s
no 96's had 3.08's generally. a few had 2.73's but most 96-98 4.6's have 3.08's

94-95 5.0's had mostly 2.73's with a few 3.08's floating around

my 99 GT vert happens to have 3.08's when most were 3.27's
Some Gt's even had 3.27 gears in 96-98
possibly but i have never seen any. 96-98 cobra's had 3.27's
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Old 02-16-2006, 05:33 PM
  #13  
alexr
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Default RE: 8.8 rearends


ORIGINAL: datbluestang

the 8.8 will fit perfectly in it...the little metal badge on it should say what stock gears it has in it becasue they put a ton of different gears in those 8.8 rear-ends and anyone can TRY to correct me but the ford place themselves told me they put whatever gears they had the most of in those 8.8 rear-ends so see what the are before you go chaging them out......def. 500 is a good price... some junk-yards want 750 800 for a newer 8.8 somehow i got mine for 350...but we wont go there haha...worth the time and money if you ask me! goodluck
dude you are getting hosed. i have a price list for Harry's U-Pull-It junkyard, and they want $31 for a rear end. $40 for 5 lug. I wouldnt pay over $100 for a rear end, unless its brand new.
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Old 02-16-2006, 05:40 PM
  #14  
gt96stang
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Default RE: 8.8 rearends


ORIGINAL: cobra232


ORIGINAL: gt96stang


ORIGINAL: cobra232


ORIGINAL: mustangman02232


ORIGINAL: MTShambles

Stock gears will be 3.27's unless they swapped to a higher gear ratio.

Why are you wanting to switch? Its really not necessary unless you are running lots of boost and pushing a LOT of HP.

Would 96 8.8 rear end fit my 98 ? And would $500 be too much for it?
96s had 2.73. get them swaped for some 4.10s
no 96's had 3.08's generally. a few had 2.73's but most 96-98 4.6's have 3.08's

94-95 5.0's had mostly 2.73's with a few 3.08's floating around

my 99 GT vert happens to have 3.08's when most were 3.27's
Some Gt's even had 3.27 gears in 96-98
possibly but i have never seen any. 96-98 cobra's had 3.27's
It's not possible, it's fact.. It was an option from ford for like an extra $400 or so.. I know some came with them because mine did.
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Old 02-16-2006, 06:09 PM
  #15  
02bluev6
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Default RE: 8.8 rearends

with your automatic trans you will never blow the 7.5 rear with a detroit truetrac in it. you will just be wasting money and time on the 8.8
yea i understand as it is inow its fine, but im supercharging it soon and i added up all the cots from parts to labor on my 7.5 and its cheaper and safer for me to just get an 8.8" rear. Becuase down the line i plan to do possibly a stroker kit. I know the average stang is fien with the 7.5, but like i just mention i want to plan for down the road, i dont liek spending money on the same thing twice.
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Old 02-16-2006, 09:40 PM
  #16  
alexr
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Default RE: 8.8 rearends

dont pay $500 for his, go to the junkyard and get one for $40

if you trade in your's you'll even get a core charge.
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Old 02-16-2006, 11:02 PM
  #17  
cobra232
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Default RE: 8.8 rearends

ORIGINAL: 02bluev6

with your automatic trans you will never blow the 7.5 rear with a detroit truetrac in it. you will just be wasting money and time on the 8.8
yea i understand as it is inow its fine, but im supercharging it soon and i added up all the cots from parts to labor on my 7.5 and its cheaper and safer for me to just get an 8.8" rear. Becuase down the line i plan to do possibly a stroker kit. I know the average stang is fien with the 7.5, but like i just mention i want to plan for down the road, i dont liek spending money on the same thing twice.
if you notice my sig i have a procharger and have had it for about 5 years now. i have went through 2 ford T-loks but the rest of the 7.5 is holding just fine.

like i said if you add a Detroit Truetrac and add a TA performance Girdle the 7.5 will hold your power just fine especially since you have an auto. 5spds are really hard on the drivetrain during launches, auto's aren't.

the 8.8 is overrated. it suffers from the same problem the 7.5 does, which is the weak ford differentials. the spyder gears are small and have little support in the Ford T-lok. eliminate the weak spot (T-Lok) and you have a much stronger setup

the Detroit True Trac has no spyder gears to break.
the Detroit Lockers is just about impossible to break

with the addition of a Detroit truetrac or their locker the 7.5 isd quite strong despite what most think.

the limiting factor will be the 28 spline axles but again auto's are easier on the rear so 28 spline axles will hold any power you are planning to run through it

seriously don't waste your money on the 8.8 since you have an auto. you will be doing nothing but adding weight to your car, and usless unsprung weight at that

even with 5spds the 7.5 can survive along time at 400rwhp as loing as it is setup properly.

the Ford T-lok is weak and is actually a stock replacement part for Ford Rangers and Bronco II's that originally came with a T-lok option. the T-lok was meant to operate behind 150 flywheel hp engines. IT IS NOT A PERFORMANCE PART to those who think it is.
they break behind stock power and 5spds and sticky tires.

do with your money what you want but listen to those who have been down the road before you. you do not need an only marginally stronger 8.8 on you car even with a supercharger.

my current setup isn't finished yet but it should be over 400rwhp and i have no worries about my 7.5 rear. i have a Detroit truetrac ready to go in before my engine is done.

i have been inside both reears and they are very similar. the pinion diameter are exactly the same. both ring gears are quite strong. both cases are pretty strong and about equal to each other but both benefit from a girdle. the differential bearing caps are close in size with the 7.5 being only slightly smaller and really not giving up and strength to the 8.8. the weak link is the Ford differentials, open or T-lok.

there have been alot of blown 7.5's with the t-lok but i have never heard of 1 blowing with either the Auburn or Detroit. again eliminate the weak link and you have a good rear to work with.

alot of 05+ v6 guy's are running the truetrac with nitrous or turbo's with more power than me with no problems whatsoever with the 7.5. a few of them are around 400rwhp
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