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post #1 of 15 (permalink) Old 11-18-2006, 02:03 AM Thread Starter
 
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Smile FORD 8.8 have to ask

How come they don't make a sticky?

And let me get somethings straight because i get mixed answers form all the post's i took a look at.

1st Are all cougar, bird and mark 8.8's posi? "don't think so but its what i read"

2nd If not how do we tell its a locker?

3rd Can i take a 8.8 case and put a locker carrier in it? "change the side gears for the solid ones"

4th What has a 8.8 in it for ford?

and does any one have any thing else to add sorry to be a noob about this but hey some one has to get it right


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post #2 of 15 (permalink) Old 11-18-2006, 05:43 AM
 
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How come they don't make a sticky?

1st Are all cougar, bird and mark 8.8's posi? "don't think so but its what i read"

No they are not all "trak-lok" AFAIK, MOST of the MN-12's are Open rear ends.

2nd If not how do we tell its a locker?

Look for the Axle Code on the Sticker from the factory, I believe it's on the ds door jam IIRC, then take that code to the tech article and match up your code.

3rd Can i take a 8.8 case and put a locker carrier in it? "change the side gears for the solid ones"

You can add trak-loc to you carrier, I did this when upgrading my gears to 3.73's

4th What has a 8.8 in it for ford?

Dunno, Sorry.....

Dave
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post #3 of 15 (permalink) Old 11-18-2006, 07:27 AM
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The tag on the door jamb is easiest but you can look on the tag on the pumpkin, too. Look for "3 08" or "3L08". Those numbers indicate 3.08 open and 3.08 Trak-Loc, respectively.
Ford used the 8.8 in many cars and trucks. All of the following had 8.8 available (but was not necessarily stock in them): Rangers, Mustangs, all Fox body cars, F-150's, Town Cars, Grand Marquis, and Crown Vics. Pretty much any RWD passenger car and truck. (Except heavy duty trucks, of course.)
You can use the internal parts of any of these in your IRS but you need to have the side gears machined or purchase IRS style side gears.
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post #4 of 15 (permalink) Old 11-18-2006, 09:32 AM
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Any RWD ford car built since about 1980 with a v8 engine has a 8.8 rearend. Also some rangers and explorers, f-150's and e-150's.Mustangs usually have the traction lock specifically any GT. There is no sticky because the information you requested is all in the articles which saves the confusion of reading through threads.
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post #5 of 15 (permalink) Old 11-18-2006, 09:33 AM
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Plus not all MN12s have the 8.8 inch rear.

If it has a 3.8 NA engine it could have the 7.5 rear.

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post #6 of 15 (permalink) Old 11-20-2006, 09:58 AM
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8.8

~~Hello

Sorry but not all Mustangs after 80 have 8.8's The V6 one & some lx's have a 7.5 in them. Always look at the tag. if not sure or the tag is gone look at the housing. The 8.8 upper controll arms are almost cat direatly into the ring case.
~Or open the cover & check the part number on the ring gear.

~I have gotten 7.5" 4L10 gears out of a AWD Van, mid 90's i think.

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post #7 of 15 (permalink) Old 11-20-2006, 10:31 AM
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Quote:
Originally Posted by tbirdtess
Sorry but not all Mustangs after 80 have 8.8's The V6 one & some lx's have a 7.5 in them...
This has already been determined:

Quote:
Originally Posted by tinman_72
...All of the following had 8.8 available (but was not necessarily stock in them): Rangers, Mustangs, all Fox body cars, F-150's, Town Cars, Grand Marquis, and Crown Vics...
Quote:
Originally Posted by dirtyd0g
Any RWD ford car built since about 1980 with a v8 engine has a 8.8 rearend. Also some rangers and explorers, f-150's and e-150's.Mustangs usually have the traction lock specifically any GT. There is no sticky because the information you requested is all in the articles which saves the confusion of reading through threads.
Alan
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post #8 of 15 (permalink) Old 11-21-2006, 11:28 PM Thread Starter
 
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more ?

more questions for you all 31 or 28 which one do i want? or which ones do we have if we have a 8.8
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post #9 of 15 (permalink) Old 11-21-2006, 11:55 PM
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28 spline is what the MN12's have.


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1997 T-Bird GT 4.6
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post #10 of 15 (permalink) Old 11-22-2006, 12:24 PM
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Traction control in a '95 doesnt necessarily mean it has a trac-loc, does it? it seems that by the way the alt guage pulsates when you really get into it that the traction control is controled by the ABS instead. True?
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post #11 of 15 (permalink) Old 11-22-2006, 12:37 PM
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No, traction control is an electronic system that uses the rear brakes to slow the spinning wheel so that power will be sent to the wheel that has traction. I believe that the ABS is utilized in the system.


1997 Thunderbird Sport
Low Miles
Wifes Car
destined to remain stock

1997 T-Bird GT 4.6
80 MM Mustang GT MAF - P&P'd Mustang GT TB and Intake Plenum - PI Intake manifold - PI Heads
Mark VIII Torque Converter - J-Modded 4R70W transmission - Mark VIII Aluminum Driveshaft - 3.73 gears
PBR Brake Calipers - Eibach Springs - KYB Shocks
'89 SuperCoupe front and rear sway bars
SCT Chip programmed by Lonnie Doll
255/50/16 Falken Ziex ZE-512's
True Dual exhaust with Magnaflow DI/DO muffler
<<< SOLD >>>
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post #12 of 15 (permalink) Old 11-26-2006, 10:09 AM
 
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MN12/FN10 have 28 spline axles and use a cir-clip axle retention mechanism, not a c-clip. As for LSD, when you look on the pumpkin tag, if it came with 3.27's and t-lok, it will say 3z27, not 3L27 It should say something like 88 3z27, means 8.8" 3.27 with t-lok. The tag is up high and hard to see with the pumpkin in the car, they are usually right at the top on the side, mine have been on the pass side generally.

If you don't have a tag and the pumpkin is out of the car, take the cover off and look, you will see an S spring in the differential, I believe this info is all posted in the tech articles as well. Pinion gear will also be stamped with the ratio that is in there, usually there is a part number on one side then on the other it will say 3.55 or 3.73.

I posted the above based on my experiences.

Also, the cast iron pumpkins are stronger then the alum, the cobra guys dump the alums and look for the mn12 irons when they start to make serious power.
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post #13 of 15 (permalink) Old 11-26-2006, 10:20 AM
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I've never seen a "Z". I have seen an "L" however. Doesn't mean they don't exist, just means I've never seen one.


1997 Thunderbird Sport
Low Miles
Wifes Car
destined to remain stock

1997 T-Bird GT 4.6
80 MM Mustang GT MAF - P&P'd Mustang GT TB and Intake Plenum - PI Intake manifold - PI Heads
Mark VIII Torque Converter - J-Modded 4R70W transmission - Mark VIII Aluminum Driveshaft - 3.73 gears
PBR Brake Calipers - Eibach Springs - KYB Shocks
'89 SuperCoupe front and rear sway bars
SCT Chip programmed by Lonnie Doll
255/50/16 Falken Ziex ZE-512's
True Dual exhaust with Magnaflow DI/DO muffler
<<< SOLD >>>
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post #14 of 15 (permalink) Old 11-26-2006, 11:27 AM
 
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I'd go find my tag but I tossed it out, I am pretty sure it was a Z. Either way, if there is a space in between the 3 and 27, then its def open.
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post #15 of 15 (permalink) Old 11-26-2006, 11:46 AM
 
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Well I guess I was wrong



I don't know where I came up with the Z
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