Towing with "C" Notches - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rmvlt1100 · 02-26-2012, 11:17 PM

Dose any one know if you can tow a trailer if your truck has "C" Notches? If you can, what would be the best one to use? I won't be towing anything everyday just if I need to trailer a car or possibly a camping trailer every once in a while. I have tried to do a search but could never find the right thread to get a good answer. I'm am at a point in my build that it's time for final body work and an waiting to get the truck to the body shop and I wanted to airbag the truck a thought this would be a good time to get it done. I allready have drop spindles on the front and I am going to be changing an air bag system instead of springs. So any help would be great. Thanks in advance.

mixermike · 02-27-2012, 12:12 AM

My 2000 gmc has had a bolt in c-notch for 12 years . I tow my car trailer a few times a year and have had no negative issues.
Posted via Mobile Device

andrewmp6 · 02-27-2012, 04:07 AM

If the notch is bolted in right or welded in right it should be fine,I have seen a lot of duallies that can lay frame still tow a big heavy trailer with out any problems.

SCOTI · 02-27-2012, 02:58 PM

What year truck?

rmvlt1100 · 02-27-2012, 03:08 PM

[QUOTE=SCOTI;5216239]What year truck?[/QUOTE

It's a 1965 C-10 Fleetside short bed.

rmvlt1100 · 02-27-2012, 03:10 PM

Quote:

Originally Posted by andrewmp6

If the notch is bolted in right or welded in right it should be fine,I have seen a lot of duallies that can lay frame still tow a big heavy trailer with out any problems.

Andrew thanks for the info. I was a little worried about the losing strenght of the frame at the C-Notch.

SCOTI · 02-27-2012, 03:23 PM

Quote:

Originally Posted by andrewmp6

If the notch is bolted in right or welded in right it should be fine,I have seen a lot of duallies that can lay frame still tow a big heavy trailer with out any problems.

They might be 'fine', but bolt-in c-notches won't maintain the factory frame rail strength. The only way to maintain or increase the strength is to increase the height of the rail above the notched area. For a 6x-72 frame, the best choices for a bolt-in notch would be Porterbuilt or CPP's HD version. To add more strength, the rail could/should be boxed-in around the notched area. A weld-in, short height, step notch would be better....

http://www.67-72chevytrucks.com/vboa...d.php?t=457037

rmvlt1100 · 02-27-2012, 03:40 PM

Quote:

Originally Posted by SCOTI

They might be 'fine', but bolt-in c-notches won't maintain the factory frame rail strength. The only way to maintain or increase the strength is to increase the height of the rail above the notched area. For a 6x-72 frame, the best choices for a bolt-in notch would be Porterbuilt or CPP's HD version. To add more strength, the rail could/should be boxed-in around the notched area. A weld-in, short height, step notch would be better....

http://www.67-72chevytrucks.com/vboa...d.php?t=457037

Thanks for the info Scoti. I look at the link and saw the different strengths for the "C" Notches. I will call CPP about their H.D. C-Notch Kit and will use 1/4 plate to back the inner frame rail area. I got a little ahead of my self and allready had the frame powder coated and will have to touch up a few spots after the install.
Thanks again, Robert

andrewmp6 · 02-28-2012, 12:54 AM

I have seen a notch or two break in a mini truck but they was from not being welded in good.What color did you get it powder coated tho?

02-26-2012, 11:17 PM	#1
rmvlt1100 Registered User Join Date: Jan 2012 Location: Crest Hill, IL Posts: 337	Towing with "C" Notches Dose any one know if you can tow a trailer if your truck has "C" Notches? If you can, what would be the best one to use? I won't be towing anything everyday just if I need to trailer a car or possibly a camping trailer every once in a while. I have tried to do a search but could never find the right thread to get a good answer. I'm am at a point in my build that it's time for final body work and an waiting to get the truck to the body shop and I wanted to airbag the truck a thought this would be a good time to get it done. I allready have drop spindles on the front and I am going to be changing an air bag system instead of springs. So any help would be great. Thanks in advance.

02-27-2012, 12:12 AM	#2
mixermike Registered User Join Date: Jan 2008 Location: Post Falls, Idaho Posts: 606	Re: Towing with "C" Notches My 2000 gmc has had a bolt in c-notch for 12 years . I tow my car trailer a few times a year and have had no negative issues. Posted via Mobile Device

02-27-2012, 04:07 AM	#3
andrewmp6 Registered User Join Date: Jan 2009 Location: Louisville,Ky Posts: 5,811	Re: Towing with "C" Notches If the notch is bolted in right or welded in right it should be fine,I have seen a lot of duallies that can lay frame still tow a big heavy trailer with out any problems.

02-27-2012, 02:58 PM	#4
SCOTI Registered User Join Date: Apr 2001 Location: DALLAS,TX Posts: 22,066	Re: Towing with "C" Notches What year truck? __________________ 67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... *Cubic inches is like Indiana Jones with a cheap pistol.*

02-27-2012, 03:08 PM	#5
rmvlt1100 Registered User Join Date: Jan 2012 Location: Crest Hill, IL Posts: 337	Re: Towing with "C" Notches [QUOTE=SCOTI;5216239]What year truck?[/QUOTE It's a 1965 C-10 Fleetside short bed.

02-28-2012, 12:54 AM	#9
andrewmp6 Registered User Join Date: Jan 2009 Location: Louisville,Ky Posts: 5,811	Re: Towing with "C" Notches I have seen a notch or two break in a mini truck but they was from not being welded in good.What color did you get it powder coated tho?



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