55.2-59 Original wheel specs? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

55Trucker · 06-23-2020, 09:06 PM

Can someone please tell me what the size of the OEM wheels were for a 1955.2 3100? Were they 6 lug, 15x5.5? Thanks!

57tailgater · 06-24-2020, 11:18 AM

This is what I found for a '56. Someone can correct me but I think this should be the same at a '55.2.

http://chevy.oldcarmanualproject.com...esto/56184.htm

**mr48chev** · 06-24-2020, 11:58 AM

You will find most of the stock specs in the GM Herritage archives.
The direct link to the pfd doesn't always work so you have to do a bit of step by step work to get there but they have most years of trucks in the truck section.

https://www.gmheritagecenter.com/

Open the page.
Then go over to Archive and click on Vehicle information kit on the drop down.

The next page will have some options including Chevy Truck (no GMC pages)

Click on Chevy truck and a page opens up listing all the available pfd selections.

Scroll down to the right year and open it and then scroll though the pages to wheels.

On an original truck question many of the answers guys give come from checking those pages to get the answers.

**mr48chev** · 06-24-2020, 12:00 PM

I should have noted that the top two or three pages on most of those pfd's are blank and you have to scroll down a bit to the lead page.

55Trucker · 06-24-2020, 12:45 PM

Thank you, this is very helpful.

Does anyone know what 15 x 5K means for the wheel size on the 3100?

**mr48chev** · 06-25-2020, 01:25 AM

I'm not sure on that. The 15 inch wheel is 5-1/2 inches wide with either 0 or 1/8 inch offset.

55Trucker · 07-23-2020, 02:00 PM

Found them! I found one correct 15 x 5 1/2 wheel on Craigslist, and three more at the Ayotte salvage yard in Oxford Maine. I've attached a pic of my son jacking up one of the carcasses.

The truck in the picture had 4 wheels on it. The front two were 15 x 5 1/2, but the rears were 15 x 6. Was that a normal configuration?

**mr48chev** · 07-24-2020, 01:17 PM

Not the way it lefty the factory but no doubt the result of some wheel swapping. 15 x6 probably were put on for some larger tires and if you want to run slightly larger tires on the back that works. Works to just run them on the rear too but you may not feel like rotating the tires if you have same size tires all around.

57tailgater · 07-27-2020, 11:51 AM

Original wheels should have the clips for the hubcaps as well.

55Trucker · 07-28-2020, 04:44 PM

Yes, all of the wheels I found had clips (mostly broken). Three of the wheels had 3 clips, one oddly had 6.

The truck spec said it had 670-15 tires. When I went to the Coker website looking for tires today, all of the 670-15 tires said "rim width 4.50-5.00". But the rims are 5 1/2" wide. Will these tires actually work on the 15 x 5 1/2 rims?

06-23-2020, 09:06 PM	#1
55Trucker Registered User Join Date: Aug 2019 Location: Otisfield, ME Posts: 29	Original wheel specs? Can someone please tell me what the size of the OEM wheels were for a 1955.2 3100? Were they 6 lug, 15x5.5? Thanks!

06-24-2020, 11:18 AM	#2
57tailgater Registered User Join Date: Nov 2011 Location: Middle Georgia Posts: 309	Re: Original wheel specs? This is what I found for a '56. Someone can correct me but I think this should be the same at a '55.2. http://chevy.oldcarmanualproject.com...esto/56184.htm

06-24-2020, 11:58 AM	#3
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,711	Re: Original wheel specs? You will find most of the stock specs in the GM Herritage archives. The direct link to the pfd doesn't always work so you have to do a bit of step by step work to get there but they have most years of trucks in the truck section. https://www.gmheritagecenter.com/ Open the page. Then go over to Archive and click on Vehicle information kit on the drop down. The next page will have some options including Chevy Truck (no GMC pages) Click on Chevy truck and a page opens up listing all the available pfd selections. Scroll down to the right year and open it and then scroll though the pages to wheels. On an original truck question many of the answers guys give come from checking those pages to get the answers. __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

06-24-2020, 12:00 PM	#4
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,711	Re: Original wheel specs? I should have noted that the top two or three pages on most of those pfd's are blank and you have to scroll down a bit to the lead page. __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

06-24-2020, 12:45 PM	#5
55Trucker Registered User Join Date: Aug 2019 Location: Otisfield, ME Posts: 29	Re: Original wheel specs? Thank you, this is very helpful. Does anyone know what 15 x 5K means for the wheel size on the 3100?

06-25-2020, 01:25 AM	#6
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,711	Re: Original wheel specs? I'm not sure on that. The 15 inch wheel is 5-1/2 inches wide with either 0 or 1/8 inch offset. __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

07-23-2020, 02:00 PM	#7
55Trucker Registered User Join Date: Aug 2019 Location: Otisfield, ME Posts: 29	Re: Original wheel specs? Found them! I found one correct 15 x 5 1/2 wheel on Craigslist, and three more at the Ayotte salvage yard in Oxford Maine. I've attached a pic of my son jacking up one of the carcasses. The truck in the picture had 4 wheels on it. The front two were 15 x 5 1/2, but the rears were 15 x 6. Was that a normal configuration? Attached Images

07-24-2020, 01:17 PM	#8
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,711	Re: Original wheel specs? Not the way it lefty the factory but no doubt the result of some wheel swapping. 15 x6 probably were put on for some larger tires and if you want to run slightly larger tires on the back that works. Works to just run them on the rear too but you may not feel like rotating the tires if you have same size tires all around. __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

07-27-2020, 11:51 AM	#9
57tailgater Registered User Join Date: Nov 2011 Location: Middle Georgia Posts: 309	Re: Original wheel specs? Original wheels should have the clips for the hubcaps as well.

07-28-2020, 04:44 PM	#10
55Trucker Registered User Join Date: Aug 2019 Location: Otisfield, ME Posts: 29	Re: Original wheel specs? Yes, all of the wheels I found had clips (mostly broken). Three of the wheels had 3 clips, one oddly had 6. The truck spec said it had 670-15 tires. When I went to the Coker website looking for tires today, all of the 670-15 tires said "rim width 4.50-5.00". But the rims are 5 1/2" wide. Will these tires actually work on the 15 x 5 1/2 rims?



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