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08-24-2009, 07:52 PM | #1 |
Registered User
Join Date: Jul 2009
Location: WI
Posts: 9
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box or plate for shortened frame
I just shortened my frame using the step method and was wondering if I should weld a plate to the backside or if I should box the frame in? Also what size metal for the plate or box? Thanks
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08-24-2009, 08:17 PM | #2 |
Registered User
Join Date: Feb 2007
Location: yuma arizona
Posts: 448
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Re: box or plate for shortened frame
either should work ... use 1/8 or 3/16
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08-24-2009, 09:24 PM | #3 |
67GMC Slammed
Join Date: Feb 2009
Location: Rancho Cucamonga, Ca
Posts: 255
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Re: box or plate for shortened frame
dont buy the CPP frame stiffener, it is made just for that but it did not fit and then to try to get any help from those guys is imposible
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08-24-2009, 09:27 PM | #4 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,068
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Re: box or plate for shortened frame
I got some from ECE & they fit. I did this conversion & used 3/16" for fish plate & boxing.
__________________
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. |
08-24-2009, 09:48 PM | #5 |
Registered User
Join Date: Apr 2009
Location: Waynesfield Ohio
Posts: 1,991
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Re: box or plate for shortened frame
3/16 and just plating is fine unless you want a fully boxed frame
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1949 Five Window, 1973 Step Side, 2000 Z71 |
08-25-2009, 10:41 AM | #6 |
c10 Chop Artist
Join Date: Feb 2007
Location: az
Posts: 481
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Re: box or plate for shortened frame
Its stronger to fish plate the directly over the joint than to box the frame. If the weld cracks the crack will run into the plate and stop instead of continuing all the way through. Here is a pic of a 66 frame i shortened to a SB wheelbase.
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08-25-2009, 05:59 PM | #7 |
Registered User
Join Date: Jul 2009
Location: WI
Posts: 9
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Re: box or plate for shortened frame
3/16th plate it is. thanks for the input.
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08-25-2009, 07:59 PM | #8 |
Bodydropped71
Join Date: Jun 2008
Location: Conroe Texas
Posts: 264
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Re: box or plate for shortened frame
Doing both would be fine to!
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