5 to 6 lug conversion - The 1947 - Present Chevrolet & GMC Truck Message Board Network

lrader99 · 05-24-2011, 11:05 PM

So as the title says, what would it take to convert to a 6 x 5.5 lug pattern. I really like the look of the newer 20" LTZ chevy truck wheels.

If I remember correctly 3/4 tons are 6 lug. but what about the rear end? is there a way to easily get 6 lug axles and drums into a 72 rear end?

7T2 · 05-24-2011, 11:53 PM

Just swap out the whole rear end. If you're lucky you can find one of the late 70/early 71 rear ends that are 6 lug and the same width as the 72 rear end (I know they exist, I have one). Otherwise an early 70-back 6 lug rear end will work, it will just be 3/4 inch narrower on each side (1 1/2 inch total).

brad_man_72 · 05-25-2011, 01:42 AM

I thought the newer truck wheels hhave the wrong offset. If you need spacers may as well get adapters instead. Theirs plenty of guys swapping to 5 lug I'm sure if you look around you can find a rear end cheap. Pick up a 6 lug disc brake kit for the front and you'd be set.

YBNORML · 05-25-2011, 01:50 AM

I swapped my 72 2wd blazer to six bolt. I bought axles and rotors from Early Classic. I can't remember what it cost me, but I know it was under $600.00 not the cheapest way but I thought that it beat trying to find 40 year old
parts whose condition I was unsure of. The guys at ECE will
have everything you need.

As far as the offset of newer wheels goes, they do require spacers. You could probably get away without them but it does look funny. I'll try and post some
pics up tomorrow of my blazer with and without spacers.

Jason
Posted via Mobile Device

bobs409 · 05-25-2011, 06:35 AM

Quote:

Originally Posted by lrader99

If I remember correctly 3/4 tons are 6 lug. but what about the rear end? is there a way to easily get 6 lug axles and drums into a 72 rear end?

3/4 ton trucks have 8 lugs. The 6 lug would be 1/2 tons.

**Classic Heartbeat** · 05-25-2011, 09:59 AM

6 lug axles out of a 1970 truck will fit. WES

lrader99 · 05-26-2011, 11:35 AM

so if spacers are required anyway then could I not just get a quality set of 5 to 6 lug adapters?

05-24-2011, 11:05 PM	#1
lrader99 Registered User Join Date: Apr 2009 Location: kennesaw Ga Posts: 89	5 to 6 lug conversion So as the title says, what would it take to convert to a 6 x 5.5 lug pattern. I really like the look of the newer 20" LTZ chevy truck wheels. If I remember correctly 3/4 tons are 6 lug. but what about the rear end? is there a way to easily get 6 lug axles and drums into a 72 rear end?

05-24-2011, 11:53 PM	#2
7T2 Active Member Join Date: Dec 2004 Location: Marysville, OH Posts: 667	Re: 5 to 6 lug conversion Just swap out the whole rear end. If you're lucky you can find one of the late 70/early 71 rear ends that are 6 lug and the same width as the 72 rear end (I know they exist, I have one). Otherwise an early 70-back 6 lug rear end will work, it will just be 3/4 inch narrower on each side (1 1/2 inch total). __________________ 1957 GMC Ambulance 1962 Belair Wagon 1963 C80 Truck Cab FOR SALE 1969 Chevy C10 Short Bed 1972 Chevy C10 Long Bed SOLD 1996 C3500 Dually SOLD

05-25-2011, 01:42 AM	#3
brad_man_72 the boat guy Join Date: Jul 2007 Location: springfield mo Posts: 2,339	Re: 5 to 6 lug conversion I thought the newer truck wheels hhave the wrong offset. If you need spacers may as well get adapters instead. Theirs plenty of guys swapping to 5 lug I'm sure if you look around you can find a rear end cheap. Pick up a 6 lug disc brake kit for the front and you'd be set. __________________ 67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project,

05-25-2011, 01:50 AM	#4
YBNORML Registered User Join Date: May 2010 Location: Edmonton, Alberta Posts: 3,847	Re: 5 to 6 lug conversion I swapped my 72 2wd blazer to six bolt. I bought axles and rotors from Early Classic. I can't remember what it cost me, but I know it was under $600.00 not the cheapest way but I thought that it beat trying to find 40 year old parts whose condition I was unsure of. The guys at ECE will have everything you need. As far as the offset of newer wheels goes, they do require spacers. You could probably get away without them but it does look funny. I'll try and post some pics up tomorrow of my blazer with and without spacers. Jason Posted via Mobile Device __________________ --------------------------------------------------------------- Jason. 68’ GMC shortbox https://67-72chevytrucks.com/vboard/...d.php?t=794201 72' 2WD Blazer http://67-72chevytrucks.com/vboard/s...d.php?t=425385 67' LongBox C-10 http://67-72chevytrucks.com/vboard/s...d.php?t=691845 InstaGram ybnorml67

05-25-2011, 09:59 AM	#6
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	Re: 5 to 6 lug conversion 6 lug axles out of a 1970 truck will fit. WES __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

05-26-2011, 11:35 AM	#7
lrader99 Registered User Join Date: Apr 2009 Location: kennesaw Ga Posts: 89	Re: 5 to 6 lug conversion so if spacers are required anyway then could I not just get a quality set of 5 to 6 lug adapters?



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