12-30-2004, 09:02 PM
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#21
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Registered User
Join Date: Mar 2003
Location: Lititz Pa.
Posts: 92
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Jimmy, Thanks for getting the pictures back! I wanted to see where you cut the frame at the front of the cab. Does it have plenty of clearance? THANKS, Scott 
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12-31-2004, 02:03 PM
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#22
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GM Powertrain Engineer
Join Date: Aug 2001
Location: Detroit, Mi
Age: 25
Posts: 8,151
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Quote:
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Originally Posted by sgarmans
Jimmy, Thanks for getting the pictures back! I wanted to see where you cut the frame at the front of the cab. Does it have plenty of clearance? THANKS, Scott |
If you have your cab off already it might be kinda tough to get just right but here is a pic of mine:
thats the pass side. I had to pound the lip up with a hammer..if i was to do it again i would have cut further up and made more of a slope. I was a pu$$y about cutting my frame when i first started 
__________________
1989 Silverado Project // 1999 Silverado Z71
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01-01-2005, 09:32 PM
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#23
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Registered User
Join Date: Mar 2003
Location: Lititz Pa.
Posts: 92
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Thanks Jimmy, I know what you mean about cutting the frame! I dont want to cut it any futher in front of the cab than needed.
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01-20-2005, 02:11 PM
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#24
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The Big Sky State
Join Date: Mar 2003
Location: Montana
Age: 24
Posts: 292
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
hey does one of the mods want to sticky this so it doesn't get lost??
conrad
__________________
“Learn as if you were going to live forever; Live as if you were going to die tomorrow.”
“In dating and mating, what is finally settled for is always a function of what is available.”
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01-20-2005, 02:22 PM
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#25
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House on the HILL!
Join Date: Aug 2001
Location: New Jersey
Age: 34
Posts: 52,297
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Done! 
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01-20-2005, 03:49 PM
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#26
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The Big Sky State
Join Date: Mar 2003
Location: Montana
Age: 24
Posts: 292
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
thankx
__________________
“Learn as if you were going to live forever; Live as if you were going to die tomorrow.”
“In dating and mating, what is finally settled for is always a function of what is available.”
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01-20-2005, 06:16 PM
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#27
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Registered User
Join Date: Dec 2004
Location: Casper
Posts: 185
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
You got any updates for dropping the core support?
If i understand right all you do is cut the frame between the
suspension and the core support and then weld it back in
lower down (as far as your BD was) and brace it. Correct?
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01-20-2005, 07:25 PM
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#28
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The DuPont Guy
Join Date: Aug 2002
Location: Warner Robins, Georgia
Age: 25
Posts: 5,524
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
cut it off at the shoe horns and drop it down, reweld, and brace. you are correct
jeremy
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"In our darkest hour...we look to the sky. With a silent prayer...BELIEVE God's on our side. In the land where FREEDOM reigns...and where eagles fly."
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01-20-2005, 08:06 PM
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#29
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GM Powertrain Engineer
Join Date: Aug 2001
Location: Detroit, Mi
Age: 25
Posts: 8,151
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Quote:
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Originally Posted by DragginLowChevy
You got any updates for dropping the core support?
If i understand right all you do is cut the frame between the
suspension and the core support and then weld it back in
lower down (as far as your BD was) and brace it. Correct?
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yea thats prob the best method ...i did it a little differently. Ill get pics up one of these days.
__________________
1989 Silverado Project // 1999 Silverado Z71
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07-03-2005, 10:50 AM
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#30
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Registered User
Join Date: Oct 2004
Location: Tampa
Posts: 211
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
we need an update please? I just learned alot in this thread. thank you Jimmy you are officially my hero.....
What type of welding machine did you use to do this? I have a millermatic 135 I dont know if it has the balls needed to do this job. Let me know what you are using. please.
Thanks, Josh
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07-03-2005, 11:51 AM
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#31
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GM Powertrain Engineer
Join Date: Aug 2001
Location: Detroit, Mi
Age: 25
Posts: 8,151
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
i use a Lincoln precision TIG 275 for just about everything on my truck. You would need something that welds up to 1/4" plate at least for the stock floor frame work.
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1989 Silverado Project // 1999 Silverado Z71
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09-14-2005, 12:02 AM
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#32
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Drive and Enjoy.
Join Date: Oct 2004
Location: Live Free or Die
Age: 25
Posts: 2,997
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
sorry to bring up an old thread everyone, but do you have any recent pics of your cab floor jimmy... especially the driveshaft notch?
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03-26-2006, 09:32 PM
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#33
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the underdog
Join Date: Apr 2003
Location: Minnesota
Age: 26
Posts: 532
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
so how about those pictures of the core support?? 
what did you do to drop the bed? i bet it's relatively easy, but doesn't hurt to ask . . .
and just wondering about the x-cab situation, and using 3x4 tubing instead, does that mean you cannot drop it as far? or will there still be room for the 2.5 inches?
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04-14-2006, 09:08 PM
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#34
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Registered User
Join Date: Apr 2006
Location: Alloway, NJ
Posts: 3
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Is there any reason why you wouldn't weld the 2x4 to the top of the frame? Then you could cut the bottom off. Rather than drop the body, you would raise the frame.
Any thoughts?
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04-14-2006, 09:46 PM
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#35
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Registered User
Join Date: Apr 2006
Location: Alloway, NJ
Posts: 3
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
You may have tranny alignment issues?
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04-16-2006, 09:24 PM
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#36
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Xcentric Customs
Join Date: Jul 2003
Location: baton rouge
Age: 23
Posts: 5,062
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Quote:
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Originally Posted by madramper
Is there any reason why you wouldn't weld the 2x4 to the top of the frame? Then you could cut the bottom off. Rather than drop the body, you would raise the frame.
Any thoughts?
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then your front end suspension, tranny, and engine would hang too low, as well as needing a bigger notch out back to lay frame. You could Z the frame up front if you really wanted, as well as put a 3" larger notch out back. Thats how the 73-87's are done, but their frames only hang down 1" past the rocker, not 3" like the 88-98's
__________________
Fabtech 6", Gunner 6 20x10's, 35x12.5's, Nfabs, 4.11 gears
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04-16-2006, 09:25 PM
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#37
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fknlow
Join Date: Apr 2004
Location: louisiana
Age: 20
Posts: 2,936
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
you would also have to pull 3 more inches out of the suspension thats probably already at its limits.
__________________
2000 ECSB, 5.3, magna flow cat back, some beat in the back and a killer front stage 
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04-17-2006, 12:02 PM
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#38
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Registered User
Join Date: Apr 2006
Location: Alloway, NJ
Posts: 3
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Quote:
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Originally Posted by Beyond Static©
then your front end suspension, tranny, and engine would hang too low, as well as needing a bigger notch out back to lay frame. You could Z the frame up front if you really wanted, as well as put a 3" larger notch out back. Thats how the 73-87's are done, but their frames only hang down 1" past the rocker, not 3" like the 88-98's
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I thought it sounded too easy! And my truck is a 95 Lightning. The frame is almost 4" below the rocker. I wanted to build a frame to ditch the Ibeams. I was going to do a Mustang II IFS up front and a T-bird IRS in the back. But its way out of my budget!
Thanks for the replies!
Last edited by madramper; 04-17-2006 at 12:02 PM.
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05-13-2006, 02:25 AM
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#39
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Registered User
Join Date: Feb 2006
Location: greensboro, north carolina
Posts: 31
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Nice mod *bump*
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07-30-2006, 06:23 PM
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#40
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Registered User
Join Date: May 2006
Location: houston tx
Age: 29
Posts: 78
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Re: OBS Stock Floor Body-Drop how-to....lay that rocker
Is this the end or what.I want to see some more. Great job
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