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Old 10-03-2010, 11:03 PM   #1
chopped65
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Join Date: Jul 2010
Location: Alabaster, AL
Posts: 104
Narrowing the frame

I need to know what size metal to buy to begin my frame modifications. I am narrowing my rear frame and I know what I'm doing there just unsure of what size tubing to buy. I was told 2x4 but it's a 3/4 ton truck and the main section of the frame is 6" high then drops to 5". Has anyone done frame mods on a 3/4 ton truck? I don't want to buy 20' of steel that I have no use for. Thanks
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Old 10-04-2010, 12:51 AM   #2
Captainfab
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Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
Re: Narrowing the frame

I would use 4"x2"x.120" rectangular tube. Done correctly it will be fine. I don't imagine you're going to be hauling 1500+ lbs in it as it was originally intended.
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Old 10-04-2010, 12:58 AM   #3
chopped65
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Re: Narrowing the frame

OK I will go ahead and get the 2x4 and if I have any troubles graphing I will be back
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