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04-30-2019, 01:12 PM
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#1 |
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Registered User
Join Date: Nov 2011
Location: USA
Posts: 409
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Does a 4/6 drop kit require C notching the frame on 68 C10
I would like to lower my 1968 Chevy C10 fleetside using a 4/6 drop kit but I am not sure if that would require C notching the frame in which I would not want to do. Anybody know if that is something that would need to be done in order to lower it that much?
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04-30-2019, 02:40 PM
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#2 |
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I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: Does a 4/6 drop kit require C notching the frame on 68 C10
A lot of people have got by with 4/6” without c notching (myself included) but it’s really close. On my truck it required removing the bump stops and would bottom out in the rear if I hit a really big bump at speed. That was a rare occurrence, but it would happen. Most of the time it was fine.
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'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
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04-30-2019, 06:15 PM
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#3 |
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Registered User
Join Date: Jan 2010
Location: nevada
Posts: 649
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Re: Does a 4/6 drop kit require C notching the frame on 68 C10
I did an ECE 4/6 drop and wasn't even close to needing a C notch, but did it thinking I would before I got the suspension stuff.
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2003 Dodge 2500 1969 C10 2014 Camaro SS/RS/1LE Last edited by rjs53; 04-30-2019 at 06:20 PM. Reason: new picture |
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04-30-2019, 06:24 PM
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#4 |
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Registered User
Join Date: Jan 2010
Location: nevada
Posts: 649
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Re: Does a 4/6 drop kit require C notching the frame on 68 C10
Give me a few and I'll get a picture of the distance between axle and frame so you can judge for yourself
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2003 Dodge 2500 1969 C10 2014 Camaro SS/RS/1LE |
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05-01-2019, 08:43 PM
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#5 |
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Registered User
Join Date: Jan 2010
Location: nevada
Posts: 649
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Re: Does a 4/6 drop kit require C notching the frame on 68 C10
Ok so from the top of the axle to the bottom of the frame is 3”. Not a lot of room. ECE says nonotch needed, I’ll leave it up to you. With the Cnotch there is about 5.25 “ from top of axle to bump sto
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2003 Dodge 2500 1969 C10 2014 Camaro SS/RS/1LE |
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05-01-2019, 08:44 PM
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#6 |
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Registered User
Join Date: Jan 2010
Location: nevada
Posts: 649
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Re: Does a 4/6 drop kit require C notching the frame on 68 C10
Whoops upside down
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2003 Dodge 2500 1969 C10 2014 Camaro SS/RS/1LE |
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05-03-2019, 11:32 AM
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#7 |
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Registered User
Join Date: Mar 2019
Location: Silverdale, WA
Posts: 1
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Re: Does a 4/6 drop kit require C notching the frame on 68 C10
Here is my 67 C10 swb with 4 inch CPP drop springs plus 2 inch drop blocks. I have about one inch to the bumps and three inches to the chassis and no notch. It will hit the bumps occasionally but mostly I do OK. (Not sure why my photo rotated).
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