10-01-2020, 08:48 AM | #1 |
///M SubDriver
1835
Rep 2,783
Posts
Drives: 2017 M3, 2020 X7 40i
Join Date: Jul 2016
Location: DMV
|
Mechanical vs Electronic Torque Wrench Question
So I have a "first world problem" that I would like thoughts on from more experienced track rats...
My trusty HF torque wrench of 15+ years of "light" DIY use finally died on me (I think it was the Pittsburg model - but it was not an expensive one). I decided to replace it with an electronic torque wrench as I have wanted an excuse to get one for a while. I purchased the HF one buy Quinn and it works as expected. The annoying part is that it takes longer to torque wheels as you have to carefully approach the torque setting vice just pulling until you hear/feel a click (the electronic torque wrench does not have a click, just beeps when as you approach then reach the set torque. The cheap SOB in me says just suck it up and deal with it since there is clearly nothing wrong with my new electronic torque wrench. However, the lazy SOB in me misses the relatively quick torquing of wheels with a click style torque wrench, especially since I am tracking my car more now (with a set of track wheels/tires). So what are your thoughts on mechanical vs electronic torque wrenches for HPDE track prep/use?
__________________
///M3 COMPETITION 6MT - 2017 F80 Smoked Topaz Metallic
BM3 / MP-HAS / GC Camber Plates / Carbonstructure Interior X7 XDrive 40i ///M-SPORT - 2020 G07 Arctic Grey Metallic X3 XDrive 30i - 2019 G01 Mineral White (wife's) / 128i 6MT - 2009 E82 Jet Black (son's) |
10-01-2020, 09:16 AM | #2 |
First Lieutenant
288
Rep 343
Posts |
Digital can be more accurate, but if you're using it on wheels, I would just get another clicker torque wrench for track use. It's only 20 bucks or less at HF and accurate enough. Whether you get to 100 ft lbs vs 105 ft lbs won't really matter for lug bolts. I'm a fan of clicker torque wrenches as it's quicker and you don't have to pay as much attention as you've said.
|
Appreciate
1
jmciver1834.50 |
10-01-2020, 10:46 AM | #3 |
General
21117
Rep 20,741
Posts
Drives: 2021 911 turbo
Join Date: Jan 2012
Location: Montreal
|
I personally prefer the positive tactile feedback from a mechanical torque wrench over the artificial haptic feedback from an electronic one.
__________________
Porsche 911 turbo 2021 992 GT Silver
Previous cars: M4cs 2019 F82 Limerock Grey / M4 2015 F82 Silverstone / M3 2008 E92 Silverstone / M3 2002 E46 Carbon Black |
Appreciate
1
jmciver1834.50 |
10-01-2020, 12:57 PM | #4 |
Lieutenant
500
Rep 411
Posts |
I use mechanical wrenches from my 3/4" axle-nut wrench down to my 1/4" engine assembly wrench. The only one I'm considering going electric on is the 1/4", some of the tiny fasteners make me real nervous, wondering if the wrench is failing and stretching a bolt, or 7.8Nm really is that much resistance.
|
Appreciate
0
|
10-01-2020, 01:27 PM | #5 |
Brigadier General
4016
Rep 3,539
Posts
Drives: 328d Wagon, M2 Comp, i4 eD35
Join Date: Sep 2016
Location: Bay Area, CA
|
The only time I don't trust "click" type torque wrenches is on low torque fasteners. I've seen first hand quality (and expensive) click type wrenches actually kick back/unscrew the fastener when it clicks so the final torque is actually less than when the click started.
__________________
-328d Wagon Build Log (with helpful reference links)
-My YouTube Channel for some of the best DIYs and in depth information Please don't PM me for suspension recommendations unless interested in paid private consultations. |
Appreciate
0
|
10-01-2020, 04:28 PM | #6 |
///M SubDriver
1835
Rep 2,783
Posts
Drives: 2017 M3, 2020 X7 40i
Join Date: Jul 2016
Location: DMV
|
Thanks guys. I do like my electronic torque wrench, but now I may more strongly consider picking up another mechanical one. Besides, it is not like you can have too many tools in your garage...
__________________
///M3 COMPETITION 6MT - 2017 F80 Smoked Topaz Metallic
BM3 / MP-HAS / GC Camber Plates / Carbonstructure Interior X7 XDrive 40i ///M-SPORT - 2020 G07 Arctic Grey Metallic X3 XDrive 30i - 2019 G01 Mineral White (wife's) / 128i 6MT - 2009 E82 Jet Black (son's) |
Appreciate
0
|
10-02-2020, 07:41 AM | #7 | |
Major General
2146
Rep 5,529
Posts |
Quote:
Torque wrench - another vote for a mechanical torque wrench |
|
Appreciate
0
|
10-02-2020, 10:08 AM | #8 |
First Lieutenant
319
Rep 317
Posts |
I just got used to the lack of "click" release -- the advantage of having angle measurement for torque to yield bolts that are so common on modern cars (including ours) -- is basically a must.
|
Appreciate
0
|
10-02-2020, 09:50 PM | #9 |
Lieutenant
500
Rep 411
Posts |
7.8N-m wasn't specific, but the oil pump bolts on the ej257 for example are ~6N-m, and the cam caps were I think ~12 and ~18N-m. Both were cases where I was sitting there with the wrench wondering if I was spinning heads off fasteners. I don't have a calibrated elbow
|
Appreciate
0
|
10-20-2020, 10:42 AM | #10 | |
///M SubDriver
1835
Rep 2,783
Posts
Drives: 2017 M3, 2020 X7 40i
Join Date: Jul 2016
Location: DMV
|
Quote:
__________________
///M3 COMPETITION 6MT - 2017 F80 Smoked Topaz Metallic
BM3 / MP-HAS / GC Camber Plates / Carbonstructure Interior X7 XDrive 40i ///M-SPORT - 2020 G07 Arctic Grey Metallic X3 XDrive 30i - 2019 G01 Mineral White (wife's) / 128i 6MT - 2009 E82 Jet Black (son's) |
|
Appreciate
0
|
10-29-2020, 02:12 PM | #11 |
Brigadier General
10692
Rep 3,675
Posts |
Where precision to the tenth is not necessary (i.e. most torque specs on a car, especially on components that get loosened and tightened often have a significant factor of safety on them) a mechanical torque wrench is more than adequate.
|
Appreciate
0
|
Post Reply |
Bookmarks |
|
|