Is 65" wide rear end too wide? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Tri5Nerd · 10-10-2009, 12:02 AM

I know the stock length is 62" but I have a 9" that's 65" flange to flange, is that too wide for a 55 second series truck?

Tri5

entourageguy · 10-10-2009, 08:00 AM

My 4wd from the S-10 was 60" and I'm using 2.5" spacers.
That adds up to 65".
I'm using 7" rally rims and the tires just clear the wheel wells.
You would have to run a really offset rim if you used the rear end at 65" if your going for any width of rim/tire combo..
Once I get the wheel tubs in I can get rid of the spacers.

mr48chev · 10-10-2009, 08:52 PM

You can probably get away with it if you don't run reverse wheels but I'm not sure you would like the look.

BIG CHEVY 3600 · 10-10-2009, 08:58 PM

I would be hard to turn down a 9" and it is only 1.5" over on each side. I'm not familiar with the 55 2nd and always thought it to be a bit wider than the AD but it would probably work if you're not running too wide a tire.

Tri5Nerd · 10-10-2009, 09:29 PM

I'll measure with the bed on once I get the wishbone setup. I want to run 20x9.5" in the back but I don't think it will worK or will it?

Tri5

Scottshotrods · 10-10-2009, 11:19 PM

Quote:

Originally Posted by Tri5Nerd

I'll measure with the bed on once I get the wishbone setup. I want to run 20x9.5" in the back but I don't think it will worK or will it?

Tri5

It will be to tight
Justin
www.scottshotrods.com

dwcsr · 10-11-2009, 12:25 AM

The stepside bed is 73.5 inside edge to inside edge +-. If you use a 65" you may end up paying more for a custom wheels to get the off set for 20's. I'd take the rear and get it narrowed to 60" or so and add the large ford ends. My rear at 72" outer tire edge to edge on 32" tall tire will not lay down on the ground due to the fender curve. Not all Ford 9" rears are the famous 9".

Tri5Nerd · 10-11-2009, 01:37 AM

I would need to shorten both sides by 2.5" to get to 60". How difficult is it to shorten if I was to try it?
I would then need to get new shorter axles with 5x4.75 bolt pattern?

Tri5

dwcsr · 10-11-2009, 03:00 AM

Yes new axles will be needed.

I had mine done with the Ford large bearing ends and Strange axles for under $500.

Just tell who ever does it to make it 60" flange to flange and let them worry about the math.

Matshark · 10-11-2009, 06:36 AM

My Ford 9" is 60" flange to flange and it fits 10x18 wheels with 30x12,5" tires just unter the stock fenders. I am using wheels with a +24mm Offset ( Torq-Thrust M ).

Newt · 11-08-2010, 02:24 PM

Does anyone know what the standard flange to flange axle width is for a 65 Chevy C10 pickup. I am trying to determine if my current 12-bolt differential is stock. Thanks in advance!

Knothead · 11-08-2010, 04:58 PM

I get 56" backing plate to backing plate on a '65 rear end. Same as the original that came out from under my '56.

Knothead · 11-08-2010, 05:32 PM

I pulled the rear wheels and the '65 rear end is 62" flange to flange. The numbers stamped on the rear will tell what year it is.

DG Racing · 11-09-2010, 01:26 AM

Quote:

Originally Posted by dwcsr

The stepside bed is 73.5 inside edge to inside edge +-. If you use a 65" you may end up paying more for a custom wheels to get the off set for 20's. I'd take the rear and get it narrowed to 60" or so and add the large ford ends. My rear at 72" outer tire edge to edge on 32" tall tire will not lay down on the ground due to the fender curve. Not all Ford 9" rears are the famous 9".

What is your exact size of tires ?

10-10-2009, 12:02 AM	#1
Tri5Nerd Tripple Five Fanatic Join Date: Sep 2006 Location: USA Posts: 658	Is 65" wide rear end too wide? I know the stock length is 62" but I have a 9" that's 65" flange to flange, is that too wide for a 55 second series truck? Tri5 Last edited by Tri5Nerd; 10-10-2009 at 12:03 AM.

10-10-2009, 08:00 AM	#2
entourageguy Yellow truck club Join Date: Apr 2006 Location: Barrie Ontario Posts: 2,080	Re: Is 65" wide rear end too wide? My 4wd from the S-10 was 60" and I'm using 2.5" spacers. That adds up to 65". I'm using 7" rally rims and the tires just clear the wheel wells. You would have to run a really offset rim if you used the rear end at 65" if your going for any width of rim/tire combo.. Once I get the wheel tubs in I can get rid of the spacers. __________________ ................................................................ Brian ...... My hub garage address http://www.hubgarage.com/mygarage/59apache I gue$$ everything has it'$ price ALL GONE NOW *59 Chev Apache* *PRAISE THE LOWERED* 350 700r lokar shifter power MII front end, shockwaves tilt, 4 wheel discs 4-link and bags 10 bolt limited

10-10-2009, 08:52 PM	#3
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,413	Re: Is 65" wide rear end too wide? You can probably get away with it if you don't run reverse wheels but I'm not sure you would like the look.

10-10-2009, 08:58 PM	#4
BIG CHEVY 3600 BIG CHEVY 3600 LONGBOX Join Date: Feb 2008 Location: Dallas, Texas Posts: 382	Re: Is 65" wide rear end too wide? I would be hard to turn down a 9" and it is only 1.5" over on each side. I'm not familiar with the 55 2nd and always thought it to be a bit wider than the AD but it would probably work if you're not running too wide a tire. __________________ If I were given 8 hours to chop down a large tree, I would spend the first 6 hours sharpening my ax. Abraham Lincoln http://s729.photobucket.com/albums/w...cpZZ3QQtppZZ20

10-10-2009, 09:29 PM	#5
Tri5Nerd Tripple Five Fanatic Join Date: Sep 2006 Location: USA Posts: 658	Re: Is 65" wide rear end too wide? I'll measure with the bed on once I get the wishbone setup. I want to run 20x9.5" in the back but I don't think it will worK or will it? Tri5

10-11-2009, 12:25 AM	#7
dwcsr Hollister Road Co. Join Date: Apr 2005 Location: Houston Posts: 6,134	Re: Is 65" wide rear end too wide? The stepside bed is 73.5 inside edge to inside edge +-. If you use a 65" you may end up paying more for a custom wheels to get the off set for 20's. I'd take the rear and get it narrowed to 60" or so and add the large ford ends. My rear at 72" outer tire edge to edge on 32" tall tire will not lay down on the ground due to the fender curve. Not all Ford 9" rears are the famous 9". Attached Images

10-11-2009, 01:37 AM	#8
Tri5Nerd Tripple Five Fanatic Join Date: Sep 2006 Location: USA Posts: 658	Re: Is 65" wide rear end too wide? I would need to shorten both sides by 2.5" to get to 60". How difficult is it to shorten if I was to try it? I would then need to get new shorter axles with 5x4.75 bolt pattern? Tri5

10-11-2009, 03:00 AM	#9
dwcsr Hollister Road Co. Join Date: Apr 2005 Location: Houston Posts: 6,134	Re: Is 65" wide rear end too wide? Yes new axles will be needed. I had mine done with the Ford large bearing ends and Strange axles for under $500. Just tell who ever does it to make it 60" flange to flange and let them worry about the math.

10-11-2009, 06:36 AM	#10
Matshark Registered User Join Date: Mar 2007 Location: Heilbronn/Germany Posts: 54	Re: Is 65" wide rear end too wide? My Ford 9" is 60" flange to flange and it fits 10x18 wheels with 30x12,5" tires just unter the stock fenders. I am using wheels with a +24mm Offset ( Torq-Thrust M ). __________________ 1955 2nd series 3100 Pickup, MustangII IFS, Ford 9" with 4 link, 4 wheel wilwood disc brakes, 383 Callaway supernatural, 4L60E 'All people dream, but not equally. Those who dream by night in the dusty recesses of their mind wake in the day to find that it was vanity. But the dreamers of the day are dangerous people, for they may act their dream with open eyes to make it possible.'

11-08-2010, 02:24 PM	#11
Newt Registered User Join Date: Jan 2007 Location: Louisville Posts: 9	Re: Is 65" wide rear end too wide? Does anyone know what the standard flange to flange axle width is for a 65 Chevy C10 pickup. I am trying to determine if my current 12-bolt differential is stock. Thanks in advance!

11-08-2010, 04:58 PM	#12
Knothead Registered User Join Date: Mar 2007 Location: south carolina Posts: 247	Re: Is 65" wide rear end too wide? I get 56" backing plate to backing plate on a '65 rear end. Same as the original that came out from under my '56.

11-08-2010, 05:32 PM	#13
Knothead Registered User Join Date: Mar 2007 Location: south carolina Posts: 247	Re: Is 65" wide rear end too wide? I pulled the rear wheels and the '65 rear end is 62" flange to flange. The numbers stamped on the rear will tell what year it is.



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