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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

REAR END SIZE?

Old 04-29-2005, 12:04 PM
  #1  
SNORX302
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Default REAR END SIZE?

Any one know what the size of the rear was on 79-85 GTs. Was it the 7.7"? I know 86 was the first year fir the 8.8 inch, but I'm looking for a rolling chassis without rust as early as 79 (for no emissions and classic car insurance). Also any one know how much has to be changed to make a 79 look like an 87-90-is it just the bumper, headlight panel, and hood that has to be changed?Thanks for any input

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Old 04-29-2005, 02:06 PM
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86HOGT
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Default RE: REAR END SIZE?

You can't wait a year for your 86 to be a classic?

The rear ends before the 8.8 were the 7.5".
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Old 04-29-2005, 02:42 PM
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Djs94stang
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Default RE: REAR END SIZE?

7.5...same thing used in the Pinto...
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Old 04-29-2005, 02:48 PM
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SNORX302
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Default RE: REAR END SIZE?

Most insurance places around heer are 25 years for a classic car-and my frame is bent and i have no floors (rust sucks)

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Old 04-29-2005, 02:49 PM
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94 Casper 5.0
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Default RE: REAR END SIZE?

Excuse the ignorant question, but what exactly are u guys referring to when u say rear end????
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Old 04-29-2005, 02:59 PM
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luckythirteen13
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Default RE: REAR END SIZE?

the axle
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Old 04-29-2005, 03:01 PM
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94 Casper 5.0
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Default RE: REAR END SIZE?

so how do those number work?
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Old 04-29-2005, 03:34 PM
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Djs94stang
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Default RE: REAR END SIZE?

It's the rear differential. The 7.5 or 8.8 is the diameter of the ring gear. Bigger gear can take more load.
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