Ford Mustang Forum - View Single Post - 2015 manual transmission upgrades & driveshaft
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post #12 of (permalink) Old 03-30-2014
BOSS MAN 13
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Joined: Dec 2013
Location: Deerfield
Posts: 311
 
Ironically, the 2 best shifting gears in my BOSS are 5th and third.
When I brought my car back out after winter shutdown I added the XL-18 additive which wasn't put in my tranny at the factory. It made the trans shift even smoother than before. My trans is super quiet for a manual as well, no gear noise, no whine.

I did however buy my car, drove it 150 miles home, then order a MGW shifter the next day. I've installed a whiteline urethane trans mount bushing as well. I have no complaints about my trans it will shift at redline with no issue. I will admit I drove the car REAL EASY up to 5K miles to allow it to break in. My feeling was the trans felt real tight from day 1, so a careful, easy, break in would be my best course of action to burnish all the hardened surfaces. So far my course of action seems to be paying off.

2013 BOSS 302 School Bus Yellow #1121
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