Bed block size? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

PDW HOTRODS · 09-19-2009, 04:08 PM

Does anyone know what size the bed mount wood blocks are? Thanks.

FRENCHBLUE72 · 09-19-2009, 05:00 PM

What?

PDW HOTRODS · 09-19-2009, 05:34 PM

On a 1953 style pickup, where the bed mounts to the frame, there are wood blocks used as spacers between the frame, and the bed. I was wanting to know the exact size they are suposed to be. Mine were rotted away so I couldn't mesure them. I want to use steel instead of wood.

sn33kyp3t3 · 09-19-2009, 07:44 PM

Yes I would like to know as well. Haven't gotten that far yet, but good to know.

sgtusmc · 09-19-2009, 07:53 PM

I might still have mine. I'll see if I can't dig them up.

Atomsplitter · 09-19-2009, 10:02 PM

The set I have are aftermarket but the dimensions are:
2-5/16" high x 2-3/8" long x 1-3/4" wide

MAR-Ktech · 09-19-2009, 10:23 PM

PDW, it depends on your cross sills. The important thing is the stacked up height of each cross sill and its wood blocks should be the same height as the rear sill mounting brackets. Original cross sills were a little over 1-7/8" tall including the bracket and the rear sill bracket is 4" tall. Typically 2-1/8" would be a starting point, but measuring on your truck is best. The bed should sit level on the frame and all mounting points equally share the support of the bed when installed. If your frame is tweaked so the bed to frame mounting points are not all exactly in the same plane, you may have to adjust some points up or down to accomplish this. The sketch in this instruction http://www.mar-k.com/bed_mounting_information.pdf will illustrate the idea.

Mar-Ktech

sn33kyp3t3 · 09-19-2009, 10:40 PM

Quote:

Originally Posted by MAR-Ktech

PDW, it depends on your cross sills. The important thing is the stacked up height of each cross sill and its wood blocks should be the same height as the rear sill mounting brackets. Original cross sills were a little over 1-7/8" tall including the bracket and the rear sill bracket is 4" tall. Typically 2-1/8" would be a starting point, but measuring on your truck is best. The bed should sit level on the frame and all mounting points equally share the support of the bed when installed. If your frame is tweaked so the bed to frame mounting points are not all exactly in the same plane, you may have to adjust some points up or down to accomplish this. The sketch in this instruction http://www.mar-k.com/bed_mounting_information.pdf will illustrate the idea.

Mar-Ktech

Great info there. Thanks for that.

PDW HOTRODS · 09-20-2009, 12:22 AM

Thanks. My frame is good, and I thought a little over 2 inch should work. I have to add a little extra though. I got a new front bed pannel, and the hight was not correct. The tailgate was terrible also. I returned the tailgate, but I did not notice how far off the front pannel was, so I kept it. I got a new tailgate from Mar-k, it was very nice, and I wish I had goten a new front pannel from them also. I guess I lerned a lesson there.

09-19-2009, 04:08 PM	#1
PDW HOTRODS Registered User Join Date: Nov 2006 Location: Sutherlin Oregon Posts: 502	Bed block size? Does anyone know what size the bed mount wood blocks are? Thanks.

09-19-2009, 05:00 PM	#2
FRENCHBLUE72 PROJECT 7DEUCE Join Date: Dec 2002 Location: GRANTS PASS OR Posts: 21,606	Re: Bed block size? What? __________________ GO BIG GREEN GO DUCKS MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P..

09-19-2009, 05:34 PM	#3
PDW HOTRODS Registered User Join Date: Nov 2006 Location: Sutherlin Oregon Posts: 502	Re: Bed block size? On a 1953 style pickup, where the bed mounts to the frame, there are wood blocks used as spacers between the frame, and the bed. I was wanting to know the exact size they are suposed to be. Mine were rotted away so I couldn't mesure them. I want to use steel instead of wood.

09-19-2009, 07:44 PM	#4
sn33kyp3t3 Registered User Join Date: May 2009 Location: Tucson, AZ Posts: 75	Re: Bed block size? Yes I would like to know as well. Haven't gotten that far yet, but good to know.

09-19-2009, 07:53 PM	#5
sgtusmc Registered User Join Date: Mar 2008 Location: Cali. Posts: 958	Re: Bed block size? I might still have mine. I'll see if I can't dig them up. __________________ My build, 53 GMC / S10 swap http://67-72chevytrucks.com/vboard/s...d.php?t=305723 My build, 59 Chevy / 88 fullsize swap http://67-72chevytrucks.com/vboard/s...hlight=sgtusmc U.S. Marines - Certified Counselors to the 72 Virgins Dating Club.

09-19-2009, 10:02 PM	#6
Atomsplitter Registered User Join Date: Mar 2006 Location: Ontario Posts: 514	Re: Bed block size? The set I have are aftermarket but the dimensions are: 2-5/16" high x 2-3/8" long x 1-3/4" wide Last edited by Atomsplitter; 09-19-2009 at 10:03 PM.

09-19-2009, 10:23 PM	#7
MAR-Ktech Truck Parts Mfg. Join Date: Jul 2005 Location: Oklahoma City, OK Posts: 697	Re: Bed block size? PDW, it depends on your cross sills. The important thing is the stacked up height of each cross sill and its wood blocks should be the same height as the rear sill mounting brackets. Original cross sills were a little over 1-7/8" tall including the bracket and the rear sill bracket is 4" tall. Typically 2-1/8" would be a starting point, but measuring on your truck is best. The bed should sit level on the frame and all mounting points equally share the support of the bed when installed. If your frame is tweaked so the bed to frame mounting points are not all exactly in the same plane, you may have to adjust some points up or down to accomplish this. The sketch in this instruction http://www.mar-k.com/bed_mounting_information.pdf will illustrate the idea. Mar-Ktech __________________ GET MAR-K Quality! Restoration and Custom Pickup Parts for Chevy, GMC, Ford, Dodge and Custom Trucks

09-20-2009, 12:22 AM	#9
PDW HOTRODS Registered User Join Date: Nov 2006 Location: Sutherlin Oregon Posts: 502	Re: Bed block size? Thanks. My frame is good, and I thought a little over 2 inch should work. I have to add a little extra though. I got a new front bed pannel, and the hight was not correct. The tailgate was terrible also. I returned the tailgate, but I did not notice how far off the front pannel was, so I kept it. I got a new tailgate from Mar-k, it was very nice, and I wish I had goten a new front pannel from them also. I guess I lerned a lesson there.



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