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09-30-2007, 09:28 PM
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#1 |
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Junior Member
Join Date: Jul 2007
Location: Odenton, Md
Posts: 552
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C-Notch question.
If I install a C-notch how much lower can I go before rear tires/rear diff hit the bed. I dont want to cut a hole in the rear bed....but I want to go lower in the rear. I have airbags touching the rear bumpstops right now....thinking of installing a c-notch. Is it worth installing with out cutting the bed?? Thanks in advance guys.
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going to sell this one...looking for a SWB project next. |
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09-30-2007, 10:45 PM
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#2 |
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Registered User
Join Date: Mar 2007
Location: Montgomery, Al.
Posts: 289
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Re: C-Notch question.
A bolt in notch is well worth the money.
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09-30-2007, 10:55 PM
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#3 |
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Junior Member
Join Date: Jul 2007
Location: Odenton, Md
Posts: 552
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Re: C-Notch question.
I dont mind cutting the frame for a c-notch...but dont want a big hold in my bed.
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going to sell this one...looking for a SWB project next. |
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09-30-2007, 11:02 PM
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#4 |
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Registered User
Join Date: Jan 2007
Location: San Jose
Posts: 847
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Re: C-Notch question.
It has to do with the tire overall diamater as to how much you have to cut, so the bigger the diamater, the more that needs to be removed.
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09-30-2007, 11:19 PM
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#5 |
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Registered User
 
Join Date: Oct 2005
Location: Sacramento, CA
Posts: 1,970
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Re: C-Notch question.
How much further can the axle tube go past the bottom of the frame rail (into a "C" notch) before the top of the diff section hits the bottom of the bed floor?
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72 Cheyenne SWB Fleet Nut & bolt frame off in progress...99.9999% - supercharged 383 - 4 wheel discs - relocated fuel tank -  My Build Thread |
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09-30-2007, 11:57 PM
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#6 |
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Junior Member
Join Date: Jul 2007
Location: Odenton, Md
Posts: 552
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Re: C-Notch question.
I have 295/45/20 rear tires.
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going to sell this one...looking for a SWB project next. |
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10-01-2007, 12:39 PM
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#7 |
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Progress = 0%
Join Date: Nov 2001
Location: Kansas City, MO
Posts: 2,108
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Re: C-Notch question.
If I recall correctly, if you use the rubber bumpers that are supplied with the notch, the diff won't hit the bed floor. However, if you remove them, you will have clearance issues.
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Jason - '67 GMC swb | '57 Bel-Air 4dr hardtop | '56 210 4dr Wagon | 2000 GMC Sierra |
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10-01-2007, 04:06 PM
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#8 | |
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Junior Member
Join Date: Jul 2007
Location: Odenton, Md
Posts: 552
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Re: C-Notch question.
Quote:
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going to sell this one...looking for a SWB project next. |
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10-01-2007, 05:42 PM
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#9 |
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WTB this ad
Join Date: Sep 2004
Location: Lafayette Georgia
Posts: 5,074
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Re: C-Notch question.
My truck only has about an inch difference between the distance from the frame to the axle and the diff to the floor. So in reality I could only gain another inch of clearance before hitting the floor by adding a notch. I've seen lot's of 4x4 guys shave the bottom of the diff for more ground clearance. I don't see why it couldn't be done to the top of a diff to give you more clearance for the bed floor.
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10-01-2007, 06:19 PM
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#10 |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,068
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Re: C-Notch question.
The bolt-in style c-notches come w/bumpstops.
If you install the bumpstops, the rear pumpkin won't hit the bedfloor. Install the c-notch w/o the bumpstop....the pumpkin will hit the floor. The bolt-in c-notch has a 3" depth & the urethane bump-stop is 1.5". If your current frame is not cut, you would gain approx 1.5" + the height of the current bump-stop & bracket (I don't have one so I can't get that measurement for you). Hope this helps..... Scot.
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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. |
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10-01-2007, 07:35 PM
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#11 |
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Account Suspended
Join Date: Jun 2000
Location: over yonder
Posts: 14,270
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Re: C-Notch question.
My ECE bumpstop is only about 1/2" - 3/4" thick ... small saucer shaped stop.
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10-01-2007, 07:43 PM
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#12 | |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,068
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Re: C-Notch question.
Quote:
__________________
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. |
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10-01-2007, 11:11 PM
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#13 |
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Account Suspended
Join Date: Jun 2000
Location: over yonder
Posts: 14,270
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Re: C-Notch question.
Just read what I typed ... it's NOT a ECE ... it is CPP that i have and the bump stops that came with bolt in notch ...they are the thin type.
I have no bed floor in either and it's hard to tell on a wood floor when its NOT THERE  ... if your's hit, then that pretty much seals the deal with mine hitting ... dang it.
Last edited by Shane; 10-02-2007 at 10:03 AM. |
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10-02-2007, 02:21 PM
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#14 |
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Never Done?
Join Date: May 2000
Location: Ohio
Posts: 1,435
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Re: C-Notch question.
I purchased 1/4" taller bumpstops through Summit (Energy Suspension pieces, I can get the part no. later), and as far as I can tell, my diff clears the floor now edit: I have a steel floor(I have CPP bolt-in notch). However, I may be singing a different tune once I get the bed off the rubber pads so the body lines match up.
Last edited by Alvin; 10-02-2007 at 02:21 PM. |
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