Gears 1990 5.0 - Mustang Evolution

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Old 05-16-2013, 05:30 PM   #1
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Gears 1990 5.0

Should I get 4.10 or 3.73 gears? What is the difference?
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Old 05-16-2013, 05:44 PM   #2
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Manual or auto?
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Old 05-16-2013, 05:49 PM   #3
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For a fox body mustang with no to light bolt ons you use 3.73 gears for manuals and 4.10's for automatic trannys. Rear gears are a torque multiplier that greatly change the way the car drives. The number rating tells you how many revolutions the engine has to make to turn to make your tire rotate once and of coarse is multiplied by the transmission gear.
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Old 05-16-2013, 06:16 PM   #4
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Auto
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Old 05-16-2013, 06:26 PM   #5
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Yeah 4.10
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Old 05-16-2013, 07:50 PM   #6
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They will require profesinal installation even if you are mechanicaly inclined and change your own parts. If youve never changed a set of gears then dont even think about doing the installation yourself.
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Old 05-16-2013, 08:07 PM   #7
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They will require profesinal installation even if you are mechanicaly inclined and change your own parts. If youve never changed a set of gears then dont even think about doing the installation yourself.
+1 they can be messed up easily
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Old 05-16-2013, 08:30 PM   #8
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4.10s !
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Old 05-16-2013, 09:04 PM   #9
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Any idea how much the install cost?
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Old 05-16-2013, 09:11 PM   #10
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I think I paid like $180-$200 to hVe them installed
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Old 05-16-2013, 09:15 PM   #11
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Wow that's not bad at all. Someone told me $500
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Old 05-16-2013, 09:24 PM   #12
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Wow that's not bad at all. Someone told me $500
Noooo it's only a hour , hour and half job!! Maybe $500 for parts and Labor
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Old 05-17-2013, 07:32 AM   #13
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Yeah $500 is the average for parts and labor.
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Old 05-19-2013, 12:09 PM   #14
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If you are using new ford gears, you should be able to reuse your old shims. There is only one per side. The housing is that consistent and accurate. If you use another brand if gears, all bets are off.
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Old 05-19-2013, 06:44 PM   #15
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But some Motive brand gears were still sold as FRPP parts so what you get you wont know unless you know. Buy the gears and have the pros install them.
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Old 05-19-2013, 11:15 PM   #16
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But some Motive brand gears were still sold as FRPP parts so what you get you wont know unless you know. Buy the gears and have the pros install them.
It is generally safer, smarter and financially reasonable to have a competent professional install the gears. However during my trials to find competent people has been challenging at a minimum. Personally I have found that if I spend the time to learn whatever it is that i need done, I do a better job than the experienced 'professionals'. I do know how to do more tasks than I am truly interested in. Ford 8.8 rebuilding and clutch replacement is one of those things. By the way, if anyone needs clutch packs for their 8.8...I found and bought several sets when I found them for what I defined as a reasonable cost. I will pass those savings on. It's actually surprisingly easy to do.
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Old 05-20-2013, 08:20 PM   #17
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A clutch is a far way from final drive gears or a planetary gear. You guys do what you want its your car but I will leave my cars gear installation to someone who does it at least once a week.
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Old 05-22-2013, 10:45 PM   #18
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A gear install should be no more than 3 hours of labor MAX. A good mechanic can do it faster than that. When I had mine done back in the day it was 2 hours of labor. Took a few tries to find a shop that did not try to gouge me for the install either. One place quoted me $700 for the install... Literally laughed in the guy's face and it wasn't a forced laugh either, then walked out the door.
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Old 05-23-2013, 11:18 AM   #19
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Not to hijack, but anyone know good shops in Colorado Springs or Denver? It sucks I moved here from Tx where there are stangs and shops everywhere. Here there is a couple "performance shops" that have mixed reviews, I want to find the local small shop who has a good rep.
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