Newer model rally centers - The 1947 - Present Chevrolet & GMC Truck Message Board Network

thebabybrahma · 02-23-2011, 06:23 PM

what lug nuts does one need to run some newer style wheel centers? do they take a plastic screw on cover on the outside of the lug nuts?
such as these
http://cgi.ebay.com/ebaymotors/96-97...Q5fAccessories

GCncsuHD · 02-23-2011, 06:29 PM

Which centers are you speaking of? The 88 and newer ones do use the screw on caps over the lugs to hold them on. McGard makes conversion lug nuts with the threads on the outside to fit them. (after 88, studs went to 14mm-1.5 threads rather than the 9/16-18 and 1/2-20 on the older trucks)

SS Delux · 02-23-2011, 06:30 PM

If you are talking about the covers for the 88 and up trucks then yes. You have two options: 1. get 14mm wheel studs and run factory lug nuts and covers or 2. get the specialty 1/2in lug nuts that are the same style. Either route you take you have to mdify the front dust caps a tad to fit. Hope this helps.

thebabybrahma · 02-23-2011, 08:42 PM

thanks for the info. i found some from a safari van that i think will work

f.monroe · 02-23-2011, 09:35 PM

If my memory serves me correct the Astro/Safari Vans had 1/2 inch studs . If you can find some from one of those vans they will bolt right on your truck.
Frank

87 V20 Scottsdale · 02-23-2011, 10:04 PM

Actually the first years of the '88 and up body style used an SAE stud and lug nut, and the center cap pressed over the lug nuts. I'm not sure what year they switched to the metric with the screw on plastic caps. The picture may not show the first design very well.

*87 chevy silverado* · 02-23-2011, 10:36 PM

i know in 95 it had the hold on plastic bolts that screwed on to the lug nuts

SS Delux · 02-23-2011, 11:43 PM

I got mine off of a 92 chev. The half inch lug nuts (with the outer threads) from the auto parts store dont work, they have a samller o/d and associated cap. I tried it all.

GCncsuHD · 02-24-2011, 09:54 AM

Quote:

Originally Posted by SS Delux

I got mine off of a 92 chev. The half inch lug nuts (with the outer threads) from the auto parts store dont work, they have a samller o/d and associated cap. I tried it all.

You bought the car application lugs, there were two different outer threads, one for the cars, and one for the trucks. 1/2-1 ton trucks all shared the same larger outer thread size. I am unsure what the s-10s and all those used for the outer threads.

02-23-2011, 06:23 PM	#1
thebabybrahma Registered User Join Date: Sep 2007 Location: Gray,Tennessee Posts: 182	Newer model rally centers what lug nuts does one need to run some newer style wheel centers? do they take a plastic screw on cover on the outside of the lug nuts? such as these http://cgi.ebay.com/ebaymotors/96-97...Q5fAccessories __________________ '85 C-10, with 93 LT-1 & 4L60 1985 GMC, lookin' for its big block motor - SOLD '72 Chevy C-10 Cheyenne-SOLD Last edited by thebabybrahma; 02-23-2011 at 06:30 PM. Reason: insert link

02-23-2011, 06:29 PM	#2
GCncsuHD Charlie Daniels w/ a Tq Wrench Join Date: May 2009 Location: Statesville, NC Posts: 1,570	Re: Newer model rally centers Which centers are you speaking of? The 88 and newer ones do use the screw on caps over the lugs to hold them on. McGard makes conversion lug nuts with the threads on the outside to fit them. (after 88, studs went to 14mm-1.5 threads rather than the 9/16-18 and 1/2-20 on the older trucks) __________________ ΜΟΛΩΝ ΛΑΒΕ 67 C10 Shortbed "Great Grandpa's Truck" I6 3 on the Tree 71k original miles 5.3 swap in the works 69 K5 Blazer-Family Beach Cruiser Project 78 K30 Dually Semi-Retired Fire Truck 350/SM465 35"s SOLD01 2500HD ECSB 6.0 4x4 5.13's 8" lift 38"s

02-23-2011, 06:30 PM	#3
SS Delux Registered User Join Date: Jun 2010 Location: windsor Posts: 290	Re: Newer model rally centers If you are talking about the covers for the 88 and up trucks then yes. You have two options: 1. get 14mm wheel studs and run factory lug nuts and covers or 2. get the specialty 1/2in lug nuts that are the same style. Either route you take you have to mdify the front dust caps a tad to fit. Hope this helps.

02-23-2011, 08:42 PM	#4
thebabybrahma Registered User Join Date: Sep 2007 Location: Gray,Tennessee Posts: 182	Re: Newer model rally centers thanks for the info. i found some from a safari van that i think will work __________________ '85 C-10, with 93 LT-1 & 4L60 1985 GMC, lookin' for its big block motor - SOLD '72 Chevy C-10 Cheyenne-SOLD

02-23-2011, 09:35 PM	#5
f.monroe Senior Member Join Date: May 2004 Location: Caldwell,Tx. Posts: 3,648	Re: Newer model rally centers If my memory serves me correct the Astro/Safari Vans had 1/2 inch studs . If you can find some from one of those vans they will bolt right on your truck. Frank __________________ Born and proudly residing in a Red State !

02-23-2011, 10:04 PM	#6
87 V20 Scottsdale Registered User Join Date: Jul 2010 Location: Georgetown, KY Posts: 183	Re: Newer model rally centers Actually the first years of the '88 and up body style used an SAE stud and lug nut, and the center cap pressed over the lug nuts. I'm not sure what year they switched to the metric with the screw on plastic caps. The picture may not show the first design very well. Attached Images __________________ Andrew 1987 V20 Scottsdale 383 TBI, SM465, NP208, 14FF, 4.10 1988 C1500 Scottsdale 305, 700R4, 3.08 1986 K30 Custom Deluxe 6.2, SM465, NP205, 14FF, 4.10

02-23-2011, 10:36 PM	#7
87 chevy silverado Account Suspended Join Date: Apr 2009 Location: lexington South Carolina Posts: 2,124	Re: Newer model rally centers i know in 95 it had the hold on plastic bolts that screwed on to the lug nuts

02-23-2011, 11:43 PM	#8
SS Delux Registered User Join Date: Jun 2010 Location: windsor Posts: 290	Re: Newer model rally centers I got mine off of a 92 chev. The half inch lug nuts (with the outer threads) from the auto parts store dont work, they have a samller o/d and associated cap. I tried it all.



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