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INTRODUCING the RENNtorq Center Lock Removal Tool for 991/997 applications

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Old 06-21-2019, 05:22 PM
  #61  
PTGFAR
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Originally Posted by MaxLTV
Turning a nut with a big wrench is just as easy as turning it with a small wrench. The biggest PITA with CLs is disassembling and lubricating them with the grease that gets everywhere and needing to clamp the brakes, but that's still the case with that tool.
Using 45" long torque wrench to torque to 443 foot pounds requires pulling 118 lbs. (600 ft.lb. torque wrench length minus 2" to center of hand)

Assuming 4 to 1 torque multiplier, using 21.5" long torque wrench to torque to 111 foot pounds requires pulling 62 lbs. (250 ft.lb. torque wrench length minus 2" to center of hand)

Please correct me if I miscalculated.

At 65 years old this is significant and may save pain and doctor's bills.
Old 06-21-2019, 05:38 PM
  #62  
RENNtorq
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Originally Posted by PTGFAR
Using 45" long torque wrench to torque to 443 foot pounds requires pulling 118 lbs. (600 ft.lb. torque wrench length minus 2" to center of hand)

Assuming 4 to 1 torque multiplier, using 21.5" long torque wrench to torque to 111 foot pounds requires pulling 62 lbs. (250 ft.lb. torque wrench length minus 2" to center of hand)

Please correct me if I miscalculated.

At 65 years old this is significant and may save pain and doctor's bills.
You're on the right track with these calcs. The actual input force on the handle of the 21.5" torque wrench is a little lower than 62 lbs due to the 4.7:1 multiplication factor of the tool, but we are splitting hairs at that point.

The major benefits are:

- Major reduction input force required (appreciated by most people whether you are 35 or 75 years old)
- Much easier/safer tool to handle
- No need to have the car running or have someone holding the wheel/pushing the brake
- Quicker in use, particularly if the user is following the Porsche torquing sequence
Old 06-21-2019, 06:39 PM
  #63  
MaxLTV
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Originally Posted by PTGFAR
Using 45" long torque wrench to torque to 443 foot pounds requires pulling 118 lbs. (600 ft.lb. torque wrench length minus 2" to center of hand)

Assuming 4 to 1 torque multiplier, using 21.5" long torque wrench to torque to 111 foot pounds requires pulling 62 lbs. (250 ft.lb. torque wrench length minus 2" to center of hand)

Please correct me if I miscalculated.

At 65 years old this is significant and may save pain and doctor's bills.
Absolutely, if physical limitations are an issue, it makes total sense.
Old 06-21-2019, 07:52 PM
  #64  
GKGEIGER
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Originally Posted by PTGFAR
Using 45" long torque wrench to torque to 443 foot pounds requires pulling 118 lbs. (600 ft.lb. torque wrench length minus 2" to center of hand)

Assuming 4 to 1 torque multiplier, using 21.5" long torque wrench to torque to 111 foot pounds requires pulling 62 lbs. (250 ft.lb. torque wrench length minus 2" to center of hand)

Please correct me if I miscalculated.

At 65 years old this is significant and may save pain and doctor's bills.
I’m 75 and wish I could get in this group buy. Maybe there will be another.
Old 06-21-2019, 08:32 PM
  #65  
GrantG
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Originally Posted by GKGEIGER
I’m 75 and wish I could get in this group buy. Maybe there will be another.
Try to email RENNtorq@gmail.com

May not be too late
Old 06-21-2019, 10:31 PM
  #66  
ubtrippin
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I sent a email to be added to your list. Thanks
Old 06-22-2019, 01:01 AM
  #67  
RupeTN
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Just sent an email request.
Old 06-22-2019, 12:10 PM
  #68  
RENNtorq
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Wow.....we made it to 16!

Thanks to everyone who is participating in the group buy - and to Matrog for suggesting it.

To the participants - I'll be in touch over email on specifics.
Old 06-25-2019, 12:31 PM
  #69  
the_vetman
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Is the following tool still needed with RennTorq tool? Something about getting the splines to engage??

https://www.amazon.com/Torque-Solution-Center-Wheel-Porsche/dp/B00GOLT618/ref=pd_bxgy_263_img_2/142-0634559-8423138?_encoding=UTF8&pd_rd_i=B00GOLT618&pd_rd_r=b50e3015-9759-11e9-bd6b-53c94f03e832&pd_rd_w=FntNB&pd_rd_wg=RHHLp&pf_rd_p=a2006322-0bc0-4db9-a08e-d168c18ce6f0&pf_rd_r=HA1EF36FDV5DTPV7TD75&psc=1&refRID=HA1EF36FDV5DTPV7TD75 https://www.amazon.com/Torque-Solution-Center-Wheel-Porsche/dp/B00GOLT618/ref=pd_bxgy_263_img_2/142-0634559-8423138?_encoding=UTF8&pd_rd_i=B00GOLT618&pd_rd_r=b50e3015-9759-11e9-bd6b-53c94f03e832&pd_rd_w=FntNB&pd_rd_wg=RHHLp&pf_rd_p=a2006322-0bc0-4db9-a08e-d168c18ce6f0&pf_rd_r=HA1EF36FDV5DTPV7TD75&psc=1&refRID=HA1EF36FDV5DTPV7TD75



Sorry, new to CL and trying to figure out what I all need. And, yes, I'd be interested in RennTorq tool if I can still get in under group buy pricing...

Last edited by the_vetman; 06-28-2019 at 05:36 PM.
Old 06-25-2019, 12:42 PM
  #70  
GrantG
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Originally Posted by the_vetman
Is the following tool still needed with RennTorq tool? Something about getting the splines to engage??

https://www.amazon.com/Torque-Soluti...6FDV5DTPV7TD75

Sorry, new to CL and trying to figure out what I all need. And, yes, I'd be interested in RennTorq tool if I can still get in under group buy pricing...
I recently bought one of those - it's simply designed to jiggle the locking mechanism free and pop out flush. It is independent from the method used to torque the large nut. The 2 tools could be used together.

The part on Amazon is only an improved version of the little tool that comes with the car to pop off the dust covers (that say "GT3") - its opposite side can be used to jiggle free and pop out the locking mechanism too, but the Amazon version is said to be more effective.
Old 06-26-2019, 12:22 AM
  #71  
Mvez
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I love the design. I use a standard 3:1 torque multiplier for CL removal, and my big torque wrench for install, simply because the long breaker bar is a PIA to carry around and my 2' harbor freight one does the trick. It's not perfect, but works for me, and takes considerable less effort to break wheels loose now.

Good luck with the new product!
Old 06-26-2019, 01:45 AM
  #72  
Shamir Udi
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Add me as well
Old 06-26-2019, 02:50 AM
  #73  
the_vetman
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Originally Posted by GrantG
I recently bought one of those - it's simply designed to jiggle the locking mechanism free and pop out flush. It is independent from the method used to torque the large nut. The 2 tools could be used together.

The part on Amazon is only an improved version of the little tool that comes with the car to pop off the dust covers (that say "GT3") - its opposite side can be used to jiggle free and pop out the locking mechanism too, but the Amazon version is said to be more effective.
Thank you for the info.
Old 06-26-2019, 12:29 PM
  #74  
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Promoting Innovation and being able to give access to users, like this, is what makes RennList so great!
Old 06-27-2019, 03:45 AM
  #75  
goldberg
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Nice product.


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