47-55.1 Bed cross sills - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Str8poolne1 · 04-09-2020, 01:21 AM

Does anyone have pictures of where the cross sills are mounted and is the front sill mounted to the front bed panel and how?

mr48chev · 04-09-2020, 01:32 AM

This diagram on the Mar-K site should explain it pretty close http://www.mar-k.com/Catalog/index.aspx?CID=10001

Str8poolne1 · 04-09-2020, 01:36 AM

Thank you

mr48chev · 04-09-2020, 06:28 PM

You are going to want this one before you are done http://www.mar-k.com/_assets/images/...nformation.pdf

You might need to dig out your old Crackerjacks secret decoder ring to figure it out though.

If you have the stock frame the appropriate holes in the frame will tell you where the bolts and pads go.

Str8poolne1 · 04-10-2020, 12:10 AM

Thank you Mr 48chevy that helps a lot. The frame is a Fatman after market so i will see how it all lines up. Do you know if the front sill bolts to the front bed panel?

04-09-2020, 01:21 AM	#1
Str8poolne1 Registered User Join Date: Sep 2016 Location: Janesville wisconsin Posts: 18	Bed cross sills Does anyone have pictures of where the cross sills are mounted and is the front sill mounted to the front bed panel and how?

04-09-2020, 01:32 AM	#2
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,268	Re: Bed cross sills This diagram on the Mar-K site should explain it pretty close http://www.mar-k.com/Catalog/index.aspx?CID=10001 __________________ 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.

04-09-2020, 01:36 AM	#3
Str8poolne1 Registered User Join Date: Sep 2016 Location: Janesville wisconsin Posts: 18	Re: Bed cross sills Thank you

04-09-2020, 06:28 PM	#4
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,268	Re: Bed cross sills You are going to want this one before you are done http://www.mar-k.com/_assets/images/...nformation.pdf You might need to dig out your old Crackerjacks secret decoder ring to figure it out though. If you have the stock frame the appropriate holes in the frame will tell you where the bolts and pads go. __________________ 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.

04-10-2020, 12:10 AM	#5
Str8poolne1 Registered User Join Date: Sep 2016 Location: Janesville wisconsin Posts: 18	Re: Bed cross sills Thank you Mr 48chevy that helps a lot. The frame is a Fatman after market so i will see how it all lines up. Do you know if the front sill bolts to the front bed panel?



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