I thought I’d post this considering the popularity of McGard lug nuts. McGard recommends putting them on by hand and torquing them manually. Last fall I installed 20 of them but used a rather weak 18 V impact wrench to spin them on. The socket was the exact size for the lug nuts. Looks like I accidentally seated 4 of them. I manually torqued them to 80 lb ft with a click torque wrench. Even the ones I accidently seated required more torque to get to 80 lb ft.
Here are the pics of rust that started at the contact edges. Looks like the chrome finish can be damaged easily with an impact wrench. I’m in a mountainous area where salt is applied on roadways. I spoke to the tech department at McGuard and they were very helpful even offering four new lug nuts. Unfortunately their shipping charge to Canada was so high, I declined and ordered four from Amazon. Enjoy the photos.
Here are the pics of rust that started at the contact edges. Looks like the chrome finish can be damaged easily with an impact wrench. I’m in a mountainous area where salt is applied on roadways. I spoke to the tech department at McGuard and they were very helpful even offering four new lug nuts. Unfortunately their shipping charge to Canada was so high, I declined and ordered four from Amazon. Enjoy the photos.
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