Is 150 ft-lbs for lugs overkill?

[Destro]

Does anyone else on here also think that 150 ft-lbs of torque for lugs on this car is ridiculous?
For the past 25 years I've always done 75 ft-lbs on everything I've owned, and never had any problems. Track and some serious off-roading with that.

I'm also curious to know if anyone has information on why it calls for 150 ft-lbs vs. say 90 or 100 ft-lbs.

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[Stuntman]

Does anyone else on here also think that 150 ft-lbs of torque for lugs on this car is ridiculous?
For the past 25 years I've always done 75 ft-lbs on everything I've owned, and never had any problems. Track and some serious off-roading with that.

No. Please use 150ft-lbs.

The diameter and thread pitch of the studs determine the torque spec. Whatever you've been driving for the past 25 years have much smaller studs. F250s call for 165ft-lbs and single-lug center lock nuts for Porsches call for 445ft-lbs.

In the future please leave how to use the search function. This has been discussed thousands of times.

 

[TRAC WPN]

I thought overkill as well so went 135 lbs, after a track session checked the lugs and they backed of a bit, 150lbs it's.

 

[Destro]

I thought overkill as well so went 135 lbs, after a track session checked the lugs and they backed of a bit, 150lbs it's.

Thanks. I guess it's to 150 lbs

That is going to be a bitch.

 

[Destro]

No. Please use 150ft-lbs.

The diameter and thread pitch of the studs determine the torque spec. Whatever you've been driving for the past 25 years have much smaller studs. F250s call for 165ft-lbs and single-lug center lock nuts for Porsches call for 445ft-lbs.

In the future please leave how to use the search function. This has been discussed thousands of times.

Thanks for the technical information.

and who needs search when I have you baby! :love:

 

[Epiphany]

Factory service spec for the S550 is 150 ft-lbs, +/-15 ft-lbs. So technically you could be between 135-165.

 

[Zitrosounds]

Get a good tq wrench 1/2 drive 150ftlbs is nothing. Also get a good battery powered impact wrench

 

[nastang87xx]

150 is more than reasonable. My rears tend to back off by about 10lb ft or so after a hard autocross weekend (full two days) or a track day. So for the love of god, PLEASE, everyone do 150.

 

[mnmike59]

Thanks for the technical information.

and who needs search when I have you baby! :love:

That's what I was thinking. Besides, You get a FREE scolding with every question on 6G. :lol:

 

[Destro]

That's what I was thinking. Besides, You get a FREE scolding with every question on 6G. :lol:

I love free shit! :cheers:

 

[plc268]

Thanks. I guess it's to 150 lbs

That is going to be a bitch.

Not really. It's not hard to get leverage to torque the lug nuts. It's suspension bolts that need to be torqued to 200lbs that are a bitch, especially when you have the car on jack stands.

 

[Tomster]

Factory service spec for the S550 is 150 ft-lbs, +/-15 ft-lbs. So technically you could be between 135-165.

I opt to the lighter side. Tracked the car over a 3 day weekend and 130 was just fine.

 

[Destro]

Not really. It's not hard to get leverage to torque the lug nuts. It's suspension bolts that need to be torqued to 200lbs that are a bitch, especially when you have the car on jack stands.

Thanks.
I say that because I'm accustomed to using my old compressor and impact wrench to get wheels off-on. Like [MENTION=19262]Zitrosounds[/MENTION] said, I'll have to go out and get a good battery powered impact wrench now because my compressor cannot do 150 ft-lbs.

I'm not looking forward to any suspension bolts.

 

[Shift]

150 is more than reasonable. My rears tend to back off by about 10lb ft or so after a hard autocross weekend (full two days) or a track day. So for the love of god, PLEASE, everyone do 150.

[MENTION=27078]Paul@PKAUTODESIGN[/MENTION]

What would happen to the BC Forged Rims I bought if I torqued to Ford's original spec as opposed to the 100ft/lbs you recommended after I swapped wheels?

 

[icormba]

I opt to the lighter side. Tracked the car over a 3 day weekend and 130 was just fine.

Same here. It's also rather tough to get my torque wrench wound up that high.

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