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03-02-2015, 09:25 PM
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#1 |
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Registered User
Join Date: Feb 2015
Location: Centerton, AR
Posts: 433
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C notching the frame?
I've searched the forum looking for how low you can go without C-notching the frame and only came up with newer vehicles. There are some great reenforcement threads on how to beef it up. So looks as if you can 4 or so inches and still have 4 or 5 inches of travel. What have you guys done?
Jeff 
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03-02-2015, 09:37 PM
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#2 |
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Registered User
Join Date: Aug 2011
Location: Tucson, AZ
Posts: 917
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Re: C notching the frame?
IMO, the most you can take out of the frame without changing the top rail is 3 inches. That's what I did and boxed about 6" on either side of notch. Have about 3 1/2 inches of travel and you can see how mine sits. I did raise the bed 2 inches and could have modified the top frame rail to take advantage of that but didn't. I think BAM did. You might look at his build sheet.
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03-02-2015, 09:41 PM
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#3 |
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Registered User
Join Date: Feb 2015
Location: Centerton, AR
Posts: 433
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Re: C notching the frame?
How much did you lower it tho? I'm looking to lower mine 4" and want to if most or none are C notching at that distance. Sorry if my question was unclear. Mine is a 53'.
Last edited by Sim6; 03-02-2015 at 09:43 PM. Reason: Forgot to add something |
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03-03-2015, 12:49 AM
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#4 |
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Registered User
 
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,721
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Re: C notching the frame?
Mine sits rather high because it has 255-60 15 tires but you can see where the center of the axle sits and I have between 2-1/2 and maybe 3 inches of clearance between the axle and the frame.
  This is a stock 48 sitting at stock height for comparison.  I'd say my truck is probably lowered 4 inches in back but without a notch the axle hits the frame way too often.
__________________
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. |
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03-03-2015, 10:34 AM
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#5 |
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Senior Member
Join Date: Jul 2012
Location: Oblong, Illinois
Posts: 7,028
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Re: C notching the frame?
Mine
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03-03-2015, 08:00 PM
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#6 |
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Registered User
Join Date: Feb 2015
Location: Centerton, AR
Posts: 433
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Re: C notching the frame?
Thanks guys!
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