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FS: Performance Lower Shifter Boxes

 
Old 02-18-2018, 03:00 AM
  #1  
TMODcustoms
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Default Performance Lower Shifter Boxes



We replace the worn torque tube and shaft bushings for a tighter, smoother shift than factory. Use with your factory shifter or any aftermarket shifter for the tight smooth shift you want that won't wear out.

Lifetime Warranty

Delrin Torque Tube Bushings are stiffer than polyurethane or factory rubber but dampen vibration and road noise better than solid mounting.

Factory shaft is reconditioned, bushings are replaced with #SKF Needle Bearings and seals for a smooth shift that will never deteriorate.

Aditional seals added to keep debris out.



I rebuilt my first shifter box on my C5 about four years ago, (at about 80k) the car has almost 200K on it now. I did my C6 about 30K miles ago and I've done four other C6's as well. I've seen terrible looking bushings in cars with as little as 40K miles on them and I'm confident enough with the turn out that I'm happy to guarantee my work for the life of the car, no matter what.


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New ZeroSlop Shifter Linkages
New Clutch, not without a TIGHT LINKAGE!


C5, C6 & C7
Performance Shifter Boxes $145.00 Shipped
5% and 20% Shifters $150.00 Shipped
Linkages $250.00 Shipped

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Old 02-18-2018, 03:07 AM
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Here's a quick video covering the modifications to the shifter box.

Here is your typical shifter box, with 30.000 miles on it.

And some additional pics. Please feel free to ask questions, Shoot me an email or a PM. Thanks
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Old 02-18-2018, 03:57 AM
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Shaolin Crane
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Price?
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Old 02-18-2018, 04:12 AM
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Originally Posted by Shaolin Crane View Post
Price?
Whoops, I guess that's kinda important, sorry. The rebuilt box is $125.00 shipped, I use USPS Priority 2 Day shipping. There is a $100.00 core charge. If you send you box in I can have it rebuilt and back in the mail in a day or two.
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Old 02-18-2018, 06:05 AM
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Rich_ski4575
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do you keep any of these stocked? If I'm up in your area that maybe something id be interested in is to just swap mine for a finished one to avoid down time of my car as it is a daily.
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Old 02-18-2018, 10:24 AM
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Yes, if it's your daily driver, mine always have been, just pay the core and I'll send you one that's ready to go. Send me your old one when you get them swapped and I'll refund the core charge.
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Old 02-18-2018, 08:53 PM
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A few more pics. Internal view of aluminum end, shaft riding on new bearing in aluminum rather than factory bushing in plastic cap.
Billet aluminum end cap replaces factory plastic cap. Delrin torque tube bushings replace factory rubber.
CAD model of new end cap.

Last edited by TMODcustoms; 02-18-2018 at 08:56 PM. Reason: adding some pics. .
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Old 02-18-2018, 11:07 PM
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PM sent!
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Old 02-19-2018, 01:11 AM
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meanjoe
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So I have a question you'll probably be getting soon anyway. I have a ZO6 with a lower box that has no rubber bushings on the connection to the torque tube. It's straight solid mount. So what are your recommendations for this?
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Old 02-19-2018, 01:23 AM
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Originally Posted by meanjoe View Post
So I have a question you'll probably be getting soon anyway. I have a ZO6 with a lower box that has no rubber bushings on the connection to the torque tube. It's straight solid mount. So what are your recommendations for this?
I've had it go both ways, it's up to you. If you want to keep the solid factory torque tube bushings that's fine, I'd you want I can replace them with my delrin bushings. Besides that I do the same thing, replace the factory shaft bushings with needle bearings and add seals.
Personally I'd replace them with delrin, but that's totally a personal decision, the delrin absorbs a small amount more vibration, but not much. As far as that goes you might not notice a difference, but the shaft will ride much smoother and stay that way for the life of the car.
I warranty my boxes, all the parts, everything, for life, I don't care if you by a car with it, total the car, whatever, it's covered.
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Old 02-21-2018, 10:54 AM
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Old 02-22-2018, 11:20 PM
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Old 03-05-2018, 11:20 PM
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I know people want reviews but I don't want to ask for them. Here's an email, I'll post more as I get them edited for personal information.
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Old 03-13-2018, 03:14 PM
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Originally Posted by meanjoe View Post
So I have a question you'll probably be getting soon anyway. I have a ZO6 with a lower box that has no rubber bushings on the connection to the torque tube. It's straight solid mount. So what are your recommendations for this?
FWIW, GM moved away from those solid brass bushings on the C6Z in 2010 due to cust complaints about shifter rattles. 2010+ C6Z's use the base/GS lower box bushings. I have an '09 C6Z, but never had a rattle in mine except for the time I installed an LG shift **** with the integrated M2W button. Rattled so bad, I removed it in a matter of days.
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Old 03-13-2018, 03:45 PM
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Originally Posted by MTPZ06 View Post
FWIW, GM moved away from those solid brass bushings on the C6Z in 2010 due to cust complaints about shifter rattles. 2010+ C6Z's use the base/GS lower box bushings. I have an '09 C6Z, but never had a rattle in mine except for the time I installed an LG shift **** with the integrated M2W button. Rattled so bad, I removed it in a matter of days.

Some people like them hard mounted, some don't. It's all a matter of personal preference, that's why I offer two of what I have found to be the best of both alternatives. Delrin being harder than Polyurethane, but softer than solid, both being better than factory rubber. 😨 wow I know so many options, what's important is they are all better than a sloppy factory box.
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Old 03-14-2018, 01:45 AM
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No one likes a sloppy box.
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Old 03-15-2018, 12:47 AM
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Bill Curlee
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SUBSCRIBED!! I have an 02 ZO6 and the solid bushings have never given me any vibration issues with the stock ZO6 Shifter or the KIRBAN Shifter I have now.

I perfer the solid bushings.

My wife has an 11 GS and I may do the upgrade to hers when it needs it and use the derlin bushings for that project.

Bill
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Old 03-15-2018, 01:10 AM
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Thanks Bill, if you want we can leave the solid torque tube bushings in the Z06 and just replace the bushings on the shaft. If you have more than 20K miles on your car you'll notice a reduction in the slop in your shifter from replacing those. The factory bronze bushings are really just consist of a sleeve in the aluminum shifter box housing (in the rear end) and in the plastic end cap. Replacing those is with bearings will make your day. I took a video of how most of them look when I take them apart, I'll post a quick vid to give you an idea of what it probably looks like in your car (well, most people's cars) , in the next post, gimmie half hour.
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Old 03-15-2018, 03:32 AM
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Old 03-15-2018, 12:02 PM
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HOLY SMOKES!!!!!!! Guess I better do a check on mine.

Bill
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