Does anyone own a centerlock Torque Wrench?
#16
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On my first car that had centerlocks, I used a torque multiplier. It worked very well, and took up very little space. I'm doing the same on this 992, but I also got a digital torque gauge as a double check given that a torque multiplier has more internal friction and can reduce the precision overall. So far, getting to 600Nm is pretty easy with the torque multipler.
Having said that, if cost is no object (within reason), the best solution IMO is the renntorque setup Grant linked to with a nice 1/2" splitbeam based torque wrench. It is the best solution because you can use it without engaging the brakes of the car. Having to energize the brakes with a second person or a clamp adds a step to the process of taking on and off wheels, not to mention makes changing brake pads or bleeding more difficult.
Having said that, if cost is no object (within reason), the best solution IMO is the renntorque setup Grant linked to with a nice 1/2" splitbeam based torque wrench. It is the best solution because you can use it without engaging the brakes of the car. Having to energize the brakes with a second person or a clamp adds a step to the process of taking on and off wheels, not to mention makes changing brake pads or bleeding more difficult.
Last edited by ShakeNBake; 01-18-2022 at 06:36 PM.
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Alan C. (06-09-2023)
#17
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On my first car that had centerlocks, I used a torque multiplier. It worked very well, and took up very little space. I'm doing the same on this 992, but I also got a digital torque gauge as a double check given that a torque multiplier has more internal friction and can reduce the precision overall. So far, getting to 600Nm is pretty easy with the torque multipler.
Having said that, if cost is no object (within reason), the best solution IMO is the renntorque setup Grant linked to with a nice 1/2" splitbeam based torque wrench. It is the best solution because you can use it without engaging the brakes of the car. Having to energize the brakes with a second person or a clamp adds a step to the process of taking on and off wheels, not to mention makes changing brake pads or bleeding more difficult.
Having said that, if cost is no object (within reason), the best solution IMO is the renntorque setup Grant linked to with a nice 1/2" splitbeam based torque wrench. It is the best solution because you can use it without engaging the brakes of the car. Having to energize the brakes with a second person or a clamp adds a step to the process of taking on and off wheels, not to mention makes changing brake pads or bleeding more difficult.
The Hytorq electric wrench doesn't need to have the brake clamped (unless the bolt is a tough one and requires more torque than the gun can provide to loosen - then you have to use a breaker bar with the brake pedal and steering wheel held steady).
Last edited by GrantG; 01-18-2022 at 07:04 PM.
#19
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Torque multiplier is the safest way IMHO other than Renntorque. Needs a brake clamp but no need to hold the steering wheel.
#20
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I have Precision Instruments Kit, in fact 2. it’s easy to swap these wheels quickly at track, and it is not difficult. I used to think it was a challenge and was a bit worried based upon posts here, but once I leaned the process it’s so easy. The key is having 2 extra lock sockets… that way you don’t have to keep swapping the socket between the breaker bar and the torque wrench. The 3rd is to help screw on the nut easily by hand once the wheel is in place, while leaving the bar and torque wrench built with the sockets still in place. With this method 2 people can swap a set of wheels very quickly and efficiently.
#21
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Unfortunately, the best and best price aren't very well aligned in this case ![Wink](https://rennlist.com/forums/images/smilies/wink.gif)
There are lots of options. I went with the Precision Instruments and it has worked well for me that includes a pretty robust wrench and breaker combo (I went with extension on the breaker).
Precision Instruments C4D600F36H 3/4 DRIVE TORQUE WRENCH WITH RATCHETING BREAKER BAR COMBINAT | Tool Discounter
Adaptor to lenghten breaker:
Precision Instruments® A10C4D600F - 3/4" Drive Torque Bar Adapter - TOOLSiD.com
Best torque wrench and expensive is the Stahlwille and you can use for breaker bar too (puts no load on the measuring part when loosening):
Part #50181100 for huge wrench and #58250100 for ratcheting 3/4" insert tool (total cost close to $2k)
This place in Italy has relatively good prices and fast shipping: https://www.misterworker.com/en
Renntorq makes a nice compact solution for lots of money
RENNtorq center lock tool V2 | Renntorq, llc (square.site)
and there is an electric solution for much more than that:
HYTORC Centerlock Torque Gun | Obsessed Garage
Both of the above require that you maintain the centerbolts well, or you'll also need a huge 3/4" breaker bar to loosen occasionally.
Here's the full Stahlwille catalog (torque tools from page 187):
STAHLWILLE Catalogue 2020/2021
![Wink](https://rennlist.com/forums/images/smilies/wink.gif)
There are lots of options. I went with the Precision Instruments and it has worked well for me that includes a pretty robust wrench and breaker combo (I went with extension on the breaker).
Precision Instruments C4D600F36H 3/4 DRIVE TORQUE WRENCH WITH RATCHETING BREAKER BAR COMBINAT | Tool Discounter
Adaptor to lenghten breaker:
Precision Instruments® A10C4D600F - 3/4" Drive Torque Bar Adapter - TOOLSiD.com
Best torque wrench and expensive is the Stahlwille and you can use for breaker bar too (puts no load on the measuring part when loosening):
Part #50181100 for huge wrench and #58250100 for ratcheting 3/4" insert tool (total cost close to $2k)
This place in Italy has relatively good prices and fast shipping: https://www.misterworker.com/en
Renntorq makes a nice compact solution for lots of money
RENNtorq center lock tool V2 | Renntorq, llc (square.site)
and there is an electric solution for much more than that:
HYTORC Centerlock Torque Gun | Obsessed Garage
Both of the above require that you maintain the centerbolts well, or you'll also need a huge 3/4" breaker bar to loosen occasionally.
Here's the full Stahlwille catalog (torque tools from page 187):
STAHLWILLE Catalogue 2020/2021
Thank you for the advise to us all. You're awesome!!
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GrantG (01-18-2022)
#23
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@Htownbdr Thank you so much for putting up the video! I had no idea that the center lock socket and cap removal tool came with the car! (Mine isn't scheduled to arrive until March.)
This video is simple and I feel like I understand the whole procedure and toolset. Excellent!
This video is simple and I feel like I understand the whole procedure and toolset. Excellent!
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@Htownbdr Thank you so much for putting up the video! I had no idea that the center lock socket and cap removal tool came with the car! (Mine isn't scheduled to arrive until March.)
This video is simple and I feel like I understand the whole procedure and toolset. Excellent!
This video is simple and I feel like I understand the whole procedure and toolset. Excellent!
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GrantG (01-19-2022)
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Really overall just a stupid contraption.
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What is good jack pad / lift pad, as not to interfere with the brake ducts? I don't think my old Rennlines will work.
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I know our member SmokinGTS is working on an excellent custom version, but these will work fine in the interim:
Amazon.com: Racing RED Tesla Jack Pad Lift Point Adapter Tool for Model S 3 X Y | 4-Pack with Bag | New Improved Design - Metal Reinforced Upper, Low Profile : Automotive
Amazon.com: Racing RED Tesla Jack Pad Lift Point Adapter Tool for Model S 3 X Y | 4-Pack with Bag | New Improved Design - Metal Reinforced Upper, Low Profile : Automotive