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09-06-2016, 03:36 PM
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#1 |
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Diggin The SquareLife
Join Date: Dec 2010
Location: garland,tx
Posts: 1,933
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pbfab 73-87 bodydrop
pbfab said there are 2 diff types of frames...one with cats an one with no cats....whats the diff in the 2 frames?
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09-06-2016, 04:48 PM
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#2 |
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Wide n'Low
 
Join Date: Jan 2007
Location: La Center, WA
Posts: 1,511
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Re: pbfab 73-87 bodydrop
if memory serves, the frame for trucks with cats had a dip or half moon protrusion on the frame rail.. I think the question has been asked before, I might be able to find a reference other than my old memory bank..
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Trippin Hazard.. 67 swb, Gold Member.. 68 Suburban Air Force Retired |
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09-06-2016, 07:15 PM
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#3 |
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Diggin The SquareLife
Join Date: Dec 2010
Location: garland,tx
Posts: 1,933
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Re: pbfab 73-87 bodydrop
if you talkin bout it looking like the bottom of the frame is bent down on the driver side I know what you are talking about
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09-06-2016, 07:16 PM
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#4 |
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Senior Member
Join Date: May 2004
Location: Caldwell,Tx.
Posts: 3,648
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Re: pbfab 73-87 bodydrop
Drivers side rail on trucks after 1978 or 1979 or so have a bow in the lower edge of the frame rail to clear the catalytic converter. Almost looks like a bent frame but it's factory. If both of the rails you have match in the area under the cab you prob have non cat frame.
Do a search on this forum for the words bent frame and I bet you will find the threads. Frank
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