Minimum Center Bore size of 14 Bolt FF rear axle - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Getter-Done** · 06-20-2023, 02:16 PM

I am looking to have a spare stock set of Tires and Rims for my 84 C-20.

Currently it has 36 x 10.50 x 16.0 Super Swampers on it.
The center bore is 5 1/8" Diameter on these 10" rims.

I want to get a set of rims 6.5 x 16.0 rims.

I know some of the van and 2wd rims will not fit this axle.

What is the (Factory) center bore Diameter,
I need for a 14-bolt full floating rear axle?

I have a Corporate 10 bolt in the front.

b454rat · 06-20-2023, 04:00 PM

If your getting an aftermarket wheel, don't worry about it, they will fit. Pretty much any 8 lug wheel will fit. Ford/Dodge used bigger hubs than GM, so they will fit. Even 15" will fit lol. Did you have a wheel in mind?

**Getter-Done** · 06-20-2023, 04:10 PM

Quote:

Originally Posted by b454rat

If your getting an aftermarket wheel, don't worry about it, they will fit. Pretty much any 8 lug wheel will fit. Ford/Dodge used bigger hubs than GM, so they will fit. Even 15" will fit lol. Did you have a wheel in mind?

Yeah
This is the closest Example I can find in the link below.

Link: https://www.ebay.com/itm/20415979645...b1b6%7Ciid%3A1

I want this style that will fit over the center housing of the axle bearing hub in the rear.

I could take them off and measure But I am working late for the next few days and thought about going ahead and ordering some that would fit..

**Getter-Done** · 06-20-2023, 10:36 PM

Update
After the Storm let up here.
I got a jack and tools.

I went back to my Collection

.

I dug out one of my spare 14 Bolt rear axles.

I took a (Red neck) measure of 116mm /4.57" on the machined surface of center bore.

My goal here is to get a set of rims that I can run what most people call Street tires on this truck.

I got a Tire shop up the road that will mount the tires.

When I look for Aftermarket rims,
All I see is 8" wide rims.

I am looking for the 6.5 like the stock rims.

I may have to go with the aftermarket 8" wide and a tire to match.

**Getter-Done** · 06-20-2023, 10:39 PM

I have 2 set of rims and tires that will fit this truck.

Here are the pictures.

Name: t11.jpg
Views: 528
Size: 30.0 KB

b454rat · 06-21-2023, 05:42 AM

Should be able to find some on Craigslist or marketplace. See stockers for sale all the time on either…

06-20-2023, 02:16 PM	#1
Getter-Done Senior Member Join Date: Dec 2009 Location: TN. Posts: 8,429	Minimum Center Bore size of 14 Bolt FF rear axle I am looking to have a spare stock set of Tires and Rims for my 84 C-20. Currently it has 36 x 10.50 x 16.0 Super Swampers on it. The center bore is 5 1/8" Diameter on these 10" rims. I want to get a set of rims 6.5 x 16.0 rims. I know some of the van and 2wd rims will not fit this axle. What is the (Factory) center bore Diameter, I need for a 14-bolt full floating rear axle? I have a Corporate 10 bolt in the front. __________________ ________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build

06-20-2023, 04:00 PM	#2
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,469	Re: Minimum Center Bore size of 14 Bolt FF rear axle If your getting an aftermarket wheel, don't worry about it, they will fit. Pretty much any 8 lug wheel will fit. Ford/Dodge used bigger hubs than GM, so they will fit. Even 15" will fit lol. Did you have a wheel in mind? __________________ 2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 4” SAS 1999 GMC Yukon 350/4L60 6" SAS

06-20-2023, 10:36 PM	#4
Getter-Done Senior Member Join Date: Dec 2009 Location: TN. Posts: 8,429	Re: Minimum Center Bore size of 14 Bolt FF rear axle Update After the Storm let up here. I got a jack and tools. I went back to my Collection. I dug out one of my spare 14 Bolt rear axles. I took a (Red neck) measure of 116mm /4.57" on the machined surface of center bore. My goal here is to get a set of rims that I can run what most people call Street tires on this truck. I got a Tire shop up the road that will mount the tires. When I look for Aftermarket rims, All I see is 8" wide rims. I am looking for the 6.5 like the stock rims. I may have to go with the aftermarket 8" wide and a tire to match. __________________ ________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build

06-20-2023, 10:39 PM	#5
Getter-Done Senior Member Join Date: Dec 2009 Location: TN. Posts: 8,429	Re: Minimum Center Bore size of 14 Bolt FF rear axle I have 2 set of rims and tires that will fit this truck. Here are the pictures. __________________ ________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build

06-21-2023, 05:42 AM	#6
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,469	Re: Minimum Center Bore size of 14 Bolt FF rear axle Should be able to find some on Craigslist or marketplace. See stockers for sale all the time on either… __________________ 2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 4” SAS 1999 GMC Yukon 350/4L60 6" SAS



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