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Old April 1st, 2011, 06:20 PM   #1
JoshuaCripe
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Default 1987 mustang gt 5spd noob questions

http://www.greatlakes4x4.com/showthr...hlight=mustang

i picked this car up from patrick...all i was concerned about was rust and underneath its pretty damn clean....

1. has longitudal sub frame connectors welded in......My first question is since these run with the body will adding some from unibody rail to unibody rail have any impact? like on a jeep

2.. Has a rear end from a 2000 mustang gt with 8.8......Now in the jeep scence the 8.8 is a pretty beefy axle with a jeep 4.0...Is it okay with the 5.0?

would it be easy to rebuild like a dana 35?(jeep)
3. im going to drop diff cover and find out what gears it has is there any special fluid i should buy?...it has some sorta limited slip bc both tires spin...


Any preventive maintence i should know about or any fun facts?

thanks guys
josh

Oh is there a scanner that can read the ford obd 1 codes?..my check engine light was disabled for some reason
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Old April 1st, 2011, 07:15 PM   #2
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#3- yes you will need a limited additive can be picked up at most parts stores and spec for that rear end is 80-90
and most shops should have a scanner to check your codes I use a snap on scanner
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Old April 1st, 2011, 09:03 PM   #3
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The 8.8 will be fine with most 5.0's, it came in f-150s and broncos that even had the 5.8L in them. You might check to see if its 28 or 31 spline and if 28 possibly consider making the swap to 31 if you plan on driving the piss out of it. If you drive it like an average person the whatever 8.8 it has will be just fine.

My 5.0 HO ranger is sporting a 31 spline Welded 8.8
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Old April 1st, 2011, 09:48 PM   #4
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That axle is fine either way. I have the 5.0 from a mustang in my cj. They're a nice engine, torquey but you're not anywhere near pushing the limits of the 8.8 with the 220hp (or thereabouts). The limited slip additive is a good point and regarding the codes... expect they disabled it for a reason. Most likely an emissions code I would guess if it's running fine. Good luck, they're a fun car. Seem like they have much more power than they actually do. Oh, and the 5speed you have should be the T5 "world class" which is far superior to the T4's, and 5's in the jeep variety. Can handle the extra power much more easily.
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Old April 2nd, 2011, 06:12 AM   #5
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I feel a loads been lifted off my shoulders with your guys responses ....thank u
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Old April 2nd, 2011, 07:51 AM   #6
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No problem, now go beat the piss out of it like it was designed for!
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Old April 2nd, 2011, 07:59 AM   #7
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Find out what is in the axle regarding the limited slip, you might not need to put additive in it. Pull the cover off and find out what it actually is.
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Old April 2nd, 2011, 11:00 AM   #8
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I bought additive and 85-90 but still plan on pulling diff to check it and count splines
....I honestly try not to drive my vechiles hard but the stang puts a smile on your face an loves it.....I'm new to the limited slips all my Jeeps had some sorta lockers in them
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