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#1 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 727
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Shorten a Stepside Box???
I want to assume it's the same as shortening a fleet side, 12" in front and 8" out back. The wheel bases are the same either way.
But I have a long box stepper, and I don't see 8" behind the back of the fender. In my exhaustive searching, I found one reference to take 15" out of the front, and 5" out of the back, but I can't corroborate that with any other source. Can anyone shed light on this?
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Nostrildamus - 1961 Apache, soon to go under the knife The Crusty Chevy - 1977 Silverado, shortboxed & dropped, potato-potato. |
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#2 |
Registered User
Join Date: Mar 2010
Location: thomastown mississippi
Posts: 1,262
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Re: Shorten a Stepside Box???
Is there not a short step around you anywhere to compare to?
If not I have two short steps up on top of one of the tractor sheds & I could measure for you. Both lack fenders so I could measure to the fender mounting holes. |
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#3 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 727
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Re: Shorten a Stepside Box???
That could work; I would appreciate that.
There is nothing around that I know of. Relatively scarce up here.
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Nostrildamus - 1961 Apache, soon to go under the knife The Crusty Chevy - 1977 Silverado, shortboxed & dropped, potato-potato. |
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#4 |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 38,531
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Re: Shorten a Stepside Box???
Do one slice in the middle of where the fenders mount. Cut out what you need. Redrill a few fender holes, and you should be good. Less chance of issues with just one cut and unless you are looking at it from inside the bed, the cut is pretty much hidden by the stepside fenders.
Althought not your year, you can get the idea from my friends 67 GMC
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Bill 1981 GMC High Sierra SWB Stepside 2006 GMC Sierra 1500 SWB W/T Member of Louisiana Classic Truck Club (LCTC) Board Vendors Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! It's scary when you start making the same noises as your coffee maker. |
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#5 | |
Registered User
Join Date: May 2009
Location: Motor City
Posts: 7,472
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Re: Shorten a Stepside Box???
Quote:
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - Feb 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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#6 |
Registered User
Join Date: Jun 2014
Location: Winston Salem, NC
Posts: 1,358
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Re: Shorten a Stepside Box???
agreed! That is trick right there. I would assume that's a straight 20" removed from that point. The only part I can see that needs close attention is making sure you redrill the fender holes in the correct spot. If you move the holes in front of the cut forward 12", and the holes behind the cut rearward 8" that should do it.
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#7 | |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 38,531
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Re: Shorten a Stepside Box???
Quote:
Once you have the bed side welded up, bolt the fenders back onto the stock holes for the back half, mark thru the fenders to make new holes on the front half.
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Bill 1981 GMC High Sierra SWB Stepside 2006 GMC Sierra 1500 SWB W/T Member of Louisiana Classic Truck Club (LCTC) Board Vendors Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! It's scary when you start making the same noises as your coffee maker. |
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#8 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 727
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Re: Shorten a Stepside Box???
There is not 8" between the back of the fender and the rear box section. There's a tick over 6". I can't just move the rear holes 8" back.
I hear what you're saying about just sectioning the box, but that isn't how I want to go about it. Truly, I want to bob the ends.
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Nostrildamus - 1961 Apache, soon to go under the knife The Crusty Chevy - 1977 Silverado, shortboxed & dropped, potato-potato. |
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#9 |
Registered User
Join Date: Jun 2014
Location: Winston Salem, NC
Posts: 1,358
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Re: Shorten a Stepside Box???
I remember seeing somewhere that on the 60-66 fleetsides, the shortbed wheel opening is 2 inches shorter than on the longbed. I wonder if the shortbed step fenders are also 2 inches shorter than the longbed ones, although I can't image why they'd go through the trouble of making two different step fenders. If that is the case, you may have to section out 2" from your fender as well.
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#10 | |
Too Cool For School
![]() Join Date: Aug 2011
Location: China Spring, TX
Posts: 3,336
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Re: Shorten a Stepside Box???
Quote:
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Master Chief, US Navy, Retired - He ain't no drag Papa's got a brand new bag 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside New Seat Foam for Bench Seats? |
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#11 |
Senior Member
![]() Join Date: May 2015
Location: Alabama
Posts: 7,661
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Re: Shorten a Stepside Box???
Bill. ..that's a pretty slick shortening job he did...just wondering are there not fender reccesses stamped in the bed sides ?...my 53 bed is smooth side but my 55 has a stamped fender reccess as does my IH....I just wondered how many yrs later they kept the reccess...
skinny..you can look thru my IH build and see what I had to do to shorten my bed...close to the same concept...i removed 12 front and 4 rear...I'm not sure why Bills suggestion wouldn't work for you...
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Mongo...aka Greg 1981 c30 lq9 nv4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 1955.1 ls3 tr6060...(under construction)(on hold) 2013 gmc z71. (daily driver) Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 Last edited by mongocanfly; 02-09-2018 at 02:10 PM. |
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#12 |
State of Confusion!
![]() ![]() Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 38,531
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Re: Shorten a Stepside Box???
There is no recess for the 67 thru 87 years, I am not sure about the early years, but I believe they are flat also. There is a bit of trimming around the axle area that will need to be done also, but it is way easier than they way you have to do it on a fleetside.
Whoever asked, no there is no difference in the wheel openings between the SWB and LWB step fenders. The only thing that is differenent is the cutout for the spare (if you have a fender with one).
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Bill 1981 GMC High Sierra SWB Stepside 2006 GMC Sierra 1500 SWB W/T Member of Louisiana Classic Truck Club (LCTC) Board Vendors Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! It's scary when you start making the same noises as your coffee maker. |
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#13 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 727
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Re: Shorten a Stepside Box???
Pouring through pictures all over the web, and it -looks- like a long step fender is a bit rearward of the wheel centerline, whereas the short step fender is a bit forward of the wheel centerline.
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Nostrildamus - 1961 Apache, soon to go under the knife The Crusty Chevy - 1977 Silverado, shortboxed & dropped, potato-potato. |
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#14 |
Registered User
Join Date: Jun 2014
Location: Winston Salem, NC
Posts: 1,358
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Re: Shorten a Stepside Box???
Yeah, I was looking at photos too and noticed that too. If you could get the dimensions of the side steps for a shortbed and longbed then you'd be able to for sure figure out where the fender goes. I don't think there's any doubt that the frame is 12" shorter in front and 8" shorter in the rear.
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#15 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 727
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Re: Shorten a Stepside Box???
Does anyone on here have a tape measure and a short/step and can just measure the location of the fender from the front?
__________________
Nostrildamus - 1961 Apache, soon to go under the knife The Crusty Chevy - 1977 Silverado, shortboxed & dropped, potato-potato. |
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#16 |
Registered User
Join Date: Mar 2010
Location: thomastown mississippi
Posts: 1,262
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Re: Shorten a Stepside Box???
I have both long step w/ fenders & short step wo/ fenders. I can measure today when it stops raining.
If you was closer I'd let you have one of mine cheap, they're a dime a dozen around here. |
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#17 |
Registered User
Join Date: Mar 2010
Location: thomastown mississippi
Posts: 1,262
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Re: Shorten a Stepside Box???
Ok here is what I got for you.
Measurements taken from the front panel to front / lower most fender bolt in front & from end of rear bedside / floor to rear / lower most fender bolt in rear. Long bed- Front- 28.5" Rear- 12" Short Bed- Front- 14" Rear- 6.5" |
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#18 |
Registered User
Join Date: Jun 2014
Location: Winston Salem, NC
Posts: 1,358
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Re: Shorten a Stepside Box???
Hmmm, that's interesting. Based on those measurements it really does look like the longbed has the fender positioned 2" further back than on the shortbed.
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#19 |
Registered User
Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 727
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Re: Shorten a Stepside Box???
Very cool, thank you!
So it -looks- like the front is cut down 14.5" and the rear is cut down 5.5" I'll compare your long bed measurements to mine when I'm back at work tomorrow. Thank you so much!
__________________
Nostrildamus - 1961 Apache, soon to go under the knife The Crusty Chevy - 1977 Silverado, shortboxed & dropped, potato-potato. |
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#20 |
Registered User
Join Date: Mar 2010
Location: thomastown mississippi
Posts: 1,262
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Re: Shorten a Stepside Box???
By the way these measurements were taken from inside the bed.
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