Need Measurement for 59 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Fat Mike · 01-20-2011, 11:42 AM

What is the centerline of the rear axle in relation to the bumpstop on the bottom of the frame in the picture. Centerline looks to be 37 1/2" from the rear of frame.
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Tri5Nerd · 01-20-2011, 02:36 PM

Mike,

I think I've seen that info here before and it might be 36", not sure. Maybe someone with knowledge can chime in here.

Tri5

Fat Mike · 01-20-2011, 05:49 PM

Come on guys. No one knows the answer? I just read it was 36.5 ". Is this correct?

chevyrestoguy · 01-20-2011, 07:35 PM

I'll check mine when I get home. Remember, the rear axle will move in an arc when the suspension is compressed, so the bumpstop will be located farther aft than the centerline of the rear axle when the truck is sitting at ride height.

That measurement of 36.5" might be pretty accurate. That means that the rear axle moves approximately 1" to the rear when the suspension is fully compressed to the bumpstop.

Alex

hammerdog57 · 01-20-2011, 08:36 PM

Mine is at 37" with no weight on springs. Centerline will probably move back about a 1/2" with all weight in place. I am using CPP lowering springs and brackets.

Fat Mike · 01-20-2011, 10:01 PM

Thank you guys for the info.

Tchia65 · 01-20-2011, 11:29 PM

Mines at 36 with a 4 link in a fleetside. Thats what no limit recommended to me.

01-20-2011, 11:42 AM	#1
Fat Mike Registered User Join Date: Sep 2009 Location: Albuquerque, NM Posts: 540	Need Measurement for 59 What is the centerline of the rear axle in relation to the bumpstop on the bottom of the frame in the picture. Centerline looks to be 37 1/2" from the rear of frame. __________________ FAT MIKE My 59 http://67-72chevytrucks.com/vboard/s...d.php?t=400201 My 47 http://67-72chevytrucks.com/vboard/s...d.php?t=386848

01-20-2011, 02:36 PM	#2
Tri5Nerd Tripple Five Fanatic Join Date: Sep 2006 Location: USA Posts: 658	Re: Need Measurement for 59 Mike, I think I've seen that info here before and it might be 36", not sure. Maybe someone with knowledge can chime in here. Tri5 __________________ 1955 Chevy Stepside/LS1 drive train http://67-72chevytrucks.com/vboard/s...d.php?t=371513

01-20-2011, 05:49 PM	#3
Fat Mike Registered User Join Date: Sep 2009 Location: Albuquerque, NM Posts: 540	Re: Need Measurement for 59 Come on guys. No one knows the answer? I just read it was 36.5 ". Is this correct? __________________ FAT MIKE My 59 http://67-72chevytrucks.com/vboard/s...d.php?t=400201 My 47 http://67-72chevytrucks.com/vboard/s...d.php?t=386848

01-20-2011, 07:35 PM	#4
chevyrestoguy Registered User Join Date: Mar 2005 Location: apple valley, ca Posts: 2,670	Re: Need Measurement for 59 I'll check mine when I get home. Remember, the rear axle will move in an arc when the suspension is compressed, so the bumpstop will be located farther aft than the centerline of the rear axle when the truck is sitting at ride height. That measurement of 36.5" might be pretty accurate. That means that the rear axle moves approximately 1" to the rear when the suspension is fully compressed to the bumpstop. Alex __________________ Check out my latest endeavor: https://roundsixpod.com My build threads: '55 Chevy: http://67-72chevytrucks.com/vboard/s...d.php?t=247512 '64 C-20: http://67-72chevytrucks.com/vboard/s...d.php?t=446527

01-20-2011, 08:36 PM	#5
hammerdog57 Registered User Join Date: Apr 2008 Location: Kansas Posts: 191	Re: Need Measurement for 59 Mine is at 37" with no weight on springs. Centerline will probably move back about a 1/2" with all weight in place. I am using CPP lowering springs and brackets. Attached Images

01-20-2011, 10:01 PM	#6
Fat Mike Registered User Join Date: Sep 2009 Location: Albuquerque, NM Posts: 540	Re: Need Measurement for 59 Thank you guys for the info. __________________ FAT MIKE My 59 http://67-72chevytrucks.com/vboard/s...d.php?t=400201 My 47 http://67-72chevytrucks.com/vboard/s...d.php?t=386848

01-20-2011, 11:29 PM	#7
Tchia65 Registered User Join Date: Jul 2010 Location: Virginia Beach Posts: 195	Re: Need Measurement for 59 Mines at 36 with a 4 link in a fleetside. Thats what no limit recommended to me. __________________ 1958 Fleetside shortbox 1965 Malibu SS 1970 Camaro RS 1972 Malibu wagon

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