2010 GT3 Centerlock Wheel torque multiplier wrench
#1
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Hi All,
Does anyone have the Porsche Part number, retail price, and/or a photo of the centerlock wheel torque multiplier wrench ?
With our new machines showing up shortly and track season in full swing, like many of you, I am going to need the piece-of-mind to torque my own single wheel nuts. Also, I would like be able to get wheels off for bleeding brakes and for other wheel inspections, adjustments, and maintenance (brakes pads, suspension etc..).
I assume that the special socket comes with the car (one would hope!). Since none of my existing tools are 3/4 inch drive, it probably best to buy the correct Porsche wrench for the job.
Any suggestions on where to mail order one?
Thanks!
Doug N.
Does anyone have the Porsche Part number, retail price, and/or a photo of the centerlock wheel torque multiplier wrench ?
With our new machines showing up shortly and track season in full swing, like many of you, I am going to need the piece-of-mind to torque my own single wheel nuts. Also, I would like be able to get wheels off for bleeding brakes and for other wheel inspections, adjustments, and maintenance (brakes pads, suspension etc..).
I assume that the special socket comes with the car (one would hope!). Since none of my existing tools are 3/4 inch drive, it probably best to buy the correct Porsche wrench for the job.
Any suggestions on where to mail order one?
Thanks!
Doug N.
#3
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If you want the best, nothing like Stahlwille torque tools imo:
http://www.stahlwille-online.de/inde...=5316&pid=5315
http://www.stahlwille-online.de/inde...list&pcid=4893
http://www.stahlwille-online.de/inde...=5316&pid=5315
http://www.stahlwille-online.de/inde...list&pcid=4893
#4
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Thanks gents,
I have done some generic web searches, although I did not come across the links posted by "GrantG" (thank you, these do look interesting), however, I still would like the official Porsche tool info to compare with.
Doug N
I have done some generic web searches, although I did not come across the links posted by "GrantG" (thank you, these do look interesting), however, I still would like the official Porsche tool info to compare with.
Doug N
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#6
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If the target torque is 365ft-lbs, you'll need over 120 pounds on that handle - not impossible, but a pretty hard shove. I usually use a torque wrench that is over 1.5 ft long to get the 96ft-lbs required on my 911 (about 65 pounds on the handle) and it is not a delicate operation already...
#7
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[QUOTE=GrantG;6649886]If you want the best, nothing like Stahlwille torque tools imo:
Stahlwillie is the OEM tool supplier to Porsche. At least, they were the last time I checked.
Good endorsement.
Stahlwillie is the OEM tool supplier to Porsche. At least, they were the last time I checked.
Good endorsement.
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#8
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[QUOTE=PogueMoHone;6650757]
I know Hazet was at one time the official supplier to Porsche. I think they both have been at different times. I have mostly Hazet tools in my collection, but all my torque tools are Stahlwille (I like them much better than anything else I've tried for torque stuff).
Stahlwille torque tools are used to build Boeing jets and the Space Shuttle - not bad endorsements either.![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
Here are some links to stores that sell Hazet and Stahlwille in the US:
www.samstagsales.com
www.mdmetric.com
www.chadstoolbox.com
Stahlwille torque tools are used to build Boeing jets and the Space Shuttle - not bad endorsements either.
![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
Here are some links to stores that sell Hazet and Stahlwille in the US:
www.samstagsales.com
www.mdmetric.com
www.chadstoolbox.com
#10
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Below is picture of the CGT wrench part #9450 ('B' in photo, Tool #9451 is 'A') which costs around $1900 at Porsche dealer plus or minus depending on discount. Note arm that protrudes into wheel spokes shown in red box.
I suspect the same wrench is spec'ed for GT3 and Turbo with knock off option.
I suspect the same wrench is spec'ed for GT3 and Turbo with knock off option.
![](https://rennlist.com/forums/members/cupcar-albums-srench-picture2988-gt-wrench-1-medium.jpg)
#11
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Shown is a torque multiplier which allows use of a standard 1/2 inch drive torgue wrench with corresponding lower input values as the actual torque applied at the nut is increased by the multiplier.
#12
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Another page of the CGT information gives the torque multiplication ratio of the tool as 3:1. The GT3 requires 380 lb-ft for its centerlock, this means that a standard 1/2 " wrench can be set for approximately 1/3 of that number or 126 lb-ft..
#14
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Anybody have experience with one of these? Carquest CHT35550. Already have one, been working well on my large equipment. Just wonder about accuracy.
Lower left page 4
Lower left page 4
#15
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I have used torque multipliers in a prior career, and would not consider using a cheap torque mutiplier for this application -- too much risk of inaccurate torque output or of a knuckle busting gear failure in the multiplier. I have had good experience over the years with Snap On tools, and they sell a decent 750 ft-lb max multiplier for about $700.
As I don't want to carry a multiplier along with a torque wrench to the track, I purchased a 120-600 ft-lb Snap On torque wrench for $665. This wrench has 40 inch long handle, which requires about 120 pounds force at the handle grip to generate the proper wheel nut torque.
As I don't want to carry a multiplier along with a torque wrench to the track, I purchased a 120-600 ft-lb Snap On torque wrench for $665. This wrench has 40 inch long handle, which requires about 120 pounds force at the handle grip to generate the proper wheel nut torque.