p1800 wheel studs - 7/16" vs. ½"

TrigonDave17 · Dec 31st, 2021, 18:45

Hello All,

Dave here, and new to the forum. I am trying to find out if/when there was a change in stud size or mounting nut sizes on the p1800 across the production years.

Does anyone know if there was a year delineation for the p1800 between those cars that used 7/16" mounting nuts vs ½"nuts? I can't find anything on the ole trusty inter web on the subject, so I wanted to turn to the experts for help.

Thank you in advance for your help.

Dave

Derek UK · Jan 1st, 2022, 12:36

AFAIK they have always been 1/2". What makes you think otherwise?

TrigonDave17 · Jan 1st, 2022, 15:25

MWS Wire Wheel website, under Splined Hub" mentions both 7/16" and ½"nuts, but doesn't go further to say why. See attached screenshot and/or link below.

https://www.mwsint.com/custom/Fitmen...ke=VO&CarYear=

- Dave

classicswede · Jan 1st, 2022, 23:07

They have always been 1/2 UNF

Derek UK · Jan 2nd, 2022, 15:41

Quote:

Originally Posted by TrigonDave17

MWS Wire Wheel website, under Splined Hub" mentions both 7/16" and ½"nuts, but doesn't go further to say why. See attached screenshot and/or link below.

https://www.mwsint.com/custom/Fitmen...ke=VO&CarYear=

- Dave

There's no specific reference to Volvo there and different applications for other makes may well use 7/16".

TrigonDave17 · Jan 2nd, 2022, 16:08

Thanks everyone. Helpful info.
Happy New Year.

Dave

Ron Kwas · Jan 2nd, 2022, 19:35

Dave;

Welcome to this forum!

I agree with other posters, and AFAIK, Lug Nuts have always been 1/2" UNF.

Cheers from Connecticut (I just returned from the Catskills)!

Dec 31st, 2021, 18:45	#1
TrigonDave17 New Member Last Online: Aug 28th, 2022 15:03 Join Date: Dec 2021 Location: Saratoga Springs	p1800 wheel studs - 7/16" vs. ½" Hello All, Dave here, and new to the forum. I am trying to find out if/when there was a change in stud size or mounting nut sizes on the p1800 across the production years. Does anyone know if there was a year delineation for the p1800 between those cars that used 7/16" mounting nuts vs ½"nuts? I can't find anything on the ole trusty inter web on the subject, so I wanted to turn to the experts for help. Thank you in advance for your help. Dave

Jan 1st, 2022, 23:07	#4
classicswede Trader Volvo in my veins Last Online: Today 22:24 Join Date: Dec 2004 Location: Anglesey	They have always been 1/2 UNF __________________ http://www.classicswede.org www.classicswede.co.uk

Jan 1st, 2022, 12:36	#2
Derek UK VOC Member Last Online: Yesterday 17:06 Join Date: Jul 2006 Location: Chatham	AFAIK they have always been 1/2". What makes you think otherwise?

Jan 2nd, 2022, 16:08	#6
TrigonDave17 New Member Last Online: Aug 28th, 2022 15:03 Join Date: Dec 2021 Location: Saratoga Springs	Thanks everyone. Helpful info. Happy New Year. Dave

Jan 2nd, 2022, 19:35	#7
Ron Kwas Premier Member Last Online: Today 12:21 Join Date: Jul 2007 Location: Connecticut, USA	Dave; Welcome to this forum! I agree with other posters, and AFAIK, Lug Nuts have always been 1/2" UNF. Cheers from Connecticut (I just returned from the Catskills)!

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