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Discussing What rearend does my 89 gt have in the 5.0 Mustangs Forum. I rearend do 89 gt's come with from factory 5.0 5sp car.... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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#1 |
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Regular
Join Date: Oct 2007
Posts: 312
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What rearend does my 89 gt have
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1989 mustang GT 5.0
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#2 |
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I Post Entirely Way Too Much
1986 Mustang GT
Join Date: Apr 2007
Location: Smothering v606er with a plastic walmart bag
Posts: 7,240
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8.8 in limited slip 28 spline
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#3 |
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Regular
Join Date: Oct 2007
Posts: 312
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Do you know what gears..........Thanks
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1989 mustang GT 5.0
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#4 |
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I Post Entirely Way Too Much
1986 Mustang GT
Join Date: Apr 2007
Location: Smothering v606er with a plastic walmart bag
Posts: 7,240
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The stock gears should be 2.79's but some special ones came with lower but you most likely have the 2.79's
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#5 |
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Hardcore Enthusiast
Join Date: Dec 2006
Posts: 1,075
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You can figure it out three different ways
1) Axle code on the drivers door tag (assuming they were not swapped out after) M=2.73 Z=3.08 E=3.27 K=3.55 W=3.73 2) Lift the rear off the ground, spin the tire exactly one time around and count how many times the drive shaft goes around. 3) Guess
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1991 GT - Original owner, all stock 1988 GT - The project car |
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#6 |
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MM Fanatic
1989 Mustang LX 5.0
12.86@ 111mph
Join Date: Apr 2007
Location: Massachusetss
Posts: 4,533
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8t6 i think there 2:73s not 2:79s...and yeah 89 should have those gears
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![]() 1989 Mustang LX 5.0 Stock w/ F303 cam and 1.6 Roller Rockers BBK Shortys, BBK o/r H, Flowmaster Super 44s "The LS1 was subject to a paternity test!!! The results are back....03 cobra you are the Father!!!!" |
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