71 c20, to a 90 c1500 frame... - The 1947 - Present Chevrolet & GMC Truck Message Board Network

vettemaster79 · 07-20-2007, 01:00 AM

hey guys.... i recently bought a .71 c20, in fairly good shape, but... i really wanted a c10!! but near impossible to find here. i want to drop as much as i can, and get rid of those darned 8 stud wheels. a buddy of mine just happened to have a 90 reg cab long box that he donated to me, so i started to rip the body off with plans to plant my 71 on the 90 frame. have anyone tried this??? btw my 71 DOES NOT HAVE LEAF SPRINGS!! (coils)

**Palf70Step** · 07-20-2007, 06:29 AM

It probably can be or has been done. They are different wheelbases as well as the cab and other body mount points are different. I would be very curious about it. I have given it a thought many times. Doument it as you do it and share as I would definitely like to see what is involved.

**special-K** · 07-20-2007, 06:58 AM

Why bother?The suspensions aren`t that different as far as technology goes.Is it to get a certain custom wheel?There are plenty of 8-lug custom wheels and tire sizes.Guys with 1/2tons want bigger brakes and 3/4tons have them.The coil rear is easier to get more drop out of.You could swap the`90 front end assembly under the`71 if you want to use that.The rear can take any 1/2t rear out of a coil sprung truck.

vettemaster79 · 07-23-2007, 01:43 AM

will do bill, workin alot , so gimme time. i got the body off the 90, just waitin for some time off!!

vettemaster79 · 07-23-2007, 01:45 AM

thanks special k, something to think about. i just hate the look of them darned 8 lug wheels...but i also hate the look of leafs.... maybe a 4 link is the way to go.

Longhorn Man · 07-24-2007, 03:38 AM

Contact board member 68gmcdually , he did this to his.

streetstar · 07-24-2007, 11:53 AM

CPP makes spindles and axles to convert your 3/4 ton to 1/2 ton configuration------that might be better than making a Frankenstein truck

07-20-2007, 01:00 AM	#1
vettemaster79 Registered User Join Date: Jul 2007 Location: alberta Posts: 3	71 c20, to a 90 c1500 frame... hey guys.... i recently bought a .71 c20, in fairly good shape, but... i really wanted a c10!! but near impossible to find here. i want to drop as much as i can, and get rid of those darned 8 stud wheels. a buddy of mine just happened to have a 90 reg cab long box that he donated to me, so i started to rip the body off with plans to plant my 71 on the 90 frame. have anyone tried this??? btw my 71 DOES NOT HAVE LEAF SPRINGS!! (coils)

07-20-2007, 06:29 AM	#2
Palf70Step State of Confusion! Join Date: Jul 2002 Location: Gulfport, MS USA Posts: 46,820	Re: 71 c20, to a 90 c1500 frame... It probably can be or has been done. They are different wheelbases as well as the cab and other body mount points are different. I would be very curious about it. I have given it a thought many times. Doument it as you do it and share as I would definitely like to see what is involved. __________________ Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God!

07-20-2007, 06:58 AM	#3
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,861	Re: 71 c20, to a 90 c1500 frame... Why bother?The suspensions aren`t that different as far as technology goes.Is it to get a certain custom wheel?There are plenty of 8-lug custom wheels and tire sizes.Guys with 1/2tons want bigger brakes and 3/4tons have them.The coil rear is easier to get more drop out of.You could swap the`90 front end assembly under the`71 if you want to use that.The rear can take any 1/2t rear out of a coil sprung truck. __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~

07-23-2007, 01:43 AM	#4
vettemaster79 Registered User Join Date: Jul 2007 Location: alberta Posts: 3	Re: 71 c20, to a 90 c1500 frame... will do bill, workin alot , so gimme time. i got the body off the 90, just waitin for some time off!!

07-23-2007, 01:45 AM	#5
vettemaster79 Registered User Join Date: Jul 2007 Location: alberta Posts: 3	Re: 71 c20, to a 90 c1500 frame... thanks special k, something to think about. i just hate the look of them darned 8 lug wheels...but i also hate the look of leafs.... maybe a 4 link is the way to go.

07-24-2007, 03:38 AM	#6
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Re: 71 c20, to a 90 c1500 frame... Contact board member 68gmcdually , he did this to his.

07-24-2007, 11:53 AM	#7
streetstar Registered User Join Date: May 2007 Location: Moore, Oklahoma Posts: 2,396	Re: 71 c20, to a 90 c1500 frame... CPP makes spindles and axles to convert your 3/4 ton to 1/2 ton configuration------that might be better than making a Frankenstein truck

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