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Old 10-04-2008, 12:10 PM   #25
Captkaos
www.73-87chevytrucks.com
 
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Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
Re: crew cab questions

You CANNOT use a LWB frame for a Crew Cab SWB conversion. You MUST use a Crew Cab frame and shorten it or graft a LWB 1/2T from on. If you use a Regular cab frame you would be missing the whole frame section under the cab that makes a crew cab frame a crew cab frame. It would be more trouble than it is worth to add 4 feet to a LWB frame to mount the new cab that it would be to remove 15" from a Crew cab frame or graft a Regular LWB frame on.

I only answered when the diesel started, gas engines were available during whole run. Computers started in 1987 with the TBI, the ESC started in 1981. You will need to shorten the brake lines, driveshaft at a mininum. You are changing anything in the rear suspension except bolting it on. All Crew Cabs are 246.4" long end to end (bumper to back of bed) and have a 164.5" wheelbase.

As stated several times over, 90% of all your questions can be answered by OJOE's (mike nutt's) thread conversion.
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Chris Lucas
1973 Chevy C-10
1978 GMC Jimmy (2WD) - SOLD
1987 R10 twin turbo LS
1991 R3500 SRW CrewCab
1985 K5 diesel swapped project
1989 K5 2WD conversion w/ Vette susp Project
Captkaos Customs
73-87chevytrucks.com

Last edited by Captkaos; 10-04-2008 at 12:11 PM.
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