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06-23-2009, 09:14 PM
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#1 |
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Rottenwood Garage Member
Join Date: May 2005
Location: Marietta, Georgia
Posts: 4,321
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Converting 4x4 to 2x4......I know..here we go again
Ive done some searching but need some more info. Any links to good threads on this subject would be great or any info would be appreciated.
We are thinking about converting my (rough) 72 4x4 Blazer to a 2x4. I would like to do it correctly with trailing arms if possible. I have a 70 model 2x4 short bed truck I can use for the frame and suspension. I also have a 72 long bed I can use (disks and 5 lug) as a donor suspension also if it can be used. What do you do about the trailing arms...are they shorter on a 2x4 Blazer than a truck? If you cut the frame...where do you cut it and do you need to shorten the trailing arms or do you move them forward? Can you cut a LONG bed down and make it work? Any help would be appreciated.
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2004 Chevrolet Suburban C1500 2001 Chevrolet 2500HD Crew 6.0 1999 Harley Davidson Electra Glide 1972 Chevrolet C-20 Custom Camper "Dump Truck" 1972 Chevrolet C-20 Suburban "Big Green" 1969 Chevrolet C-50 Wedge Hauler "Leonidis" 1966 C-10 2x4 short fleet 327 4 speed "Race Truck" 1952 Plymouth Cranbrook "Rican" (my grandfathers) 1931 Ford Model A Coupe "Black Beauty" 1930 Ford Model A truck "Club Cab" 4x4 Rottenwood Garage and Speed Shop.....where everything must be racy! It's not just a hobby..It's a LIFESTYLE!!! Thanks for nothing Barrett-Jackson You cant fix stupid or teach accountability! Time wasters, looky Lous and tire kickers are everywhere! |
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06-23-2009, 09:24 PM
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#2 |
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Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: Converting 4x4 to 2x4......I know..here we go again
Trailing arms on all these trucks are the same length, Blazer, short bed pickup, long bed and suburban.
I know very little about cutting a truck frame down to fit a Blazer. I can tell you that body mounts will have to be completely fabricated, as the shape and height of the truck frame will differ from the Blazer frame. There is a great picture of the two frames floating around here somewhere, hopefully someone will post it up.
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Some people are like slinkies, they aren't good for anything, but you can't help but smile when you see one tumble down the stairs. |
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06-23-2009, 09:34 PM
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#3 |
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Rottenwood Garage Member
Join Date: May 2005
Location: Marietta, Georgia
Posts: 4,321
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Re: Converting 4x4 to 2x4......I know..here we go again
Thanks...the trailing arm info is a big help!
__________________
2004 Chevrolet Suburban C1500 2001 Chevrolet 2500HD Crew 6.0 1999 Harley Davidson Electra Glide 1972 Chevrolet C-20 Custom Camper "Dump Truck" 1972 Chevrolet C-20 Suburban "Big Green" 1969 Chevrolet C-50 Wedge Hauler "Leonidis" 1966 C-10 2x4 short fleet 327 4 speed "Race Truck" 1952 Plymouth Cranbrook "Rican" (my grandfathers) 1931 Ford Model A Coupe "Black Beauty" 1930 Ford Model A truck "Club Cab" 4x4 Rottenwood Garage and Speed Shop.....where everything must be racy! It's not just a hobby..It's a LIFESTYLE!!! Thanks for nothing Barrett-Jackson You cant fix stupid or teach accountability! Time wasters, looky Lous and tire kickers are everywhere! |
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06-23-2009, 10:47 PM
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#4 |
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SKINNY TIRES RULE!
Join Date: Sep 2001
Location: Bothell, WA
Posts: 11,038
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Re: Converting 4x4 to 2x4......I know..here we go again
Here's an article from Sport Truck a while back.
http://www.sporttruck.com/techarticl...ion/index.html
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bouncytruck 1972 K5 The Hauler 1994 K1500 Suburban The Daily2010 Kia Soul Wife's Ride2014 Fiat 500L |
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06-24-2009, 08:07 PM
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#5 |
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Rottenwood Garage Member
Join Date: May 2005
Location: Marietta, Georgia
Posts: 4,321
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Re: Converting 4x4 to 2x4......I know..here we go again
any more help or links?
__________________
2004 Chevrolet Suburban C1500 2001 Chevrolet 2500HD Crew 6.0 1999 Harley Davidson Electra Glide 1972 Chevrolet C-20 Custom Camper "Dump Truck" 1972 Chevrolet C-20 Suburban "Big Green" 1969 Chevrolet C-50 Wedge Hauler "Leonidis" 1966 C-10 2x4 short fleet 327 4 speed "Race Truck" 1952 Plymouth Cranbrook "Rican" (my grandfathers) 1931 Ford Model A Coupe "Black Beauty" 1930 Ford Model A truck "Club Cab" 4x4 Rottenwood Garage and Speed Shop.....where everything must be racy! It's not just a hobby..It's a LIFESTYLE!!! Thanks for nothing Barrett-Jackson You cant fix stupid or teach accountability! Time wasters, looky Lous and tire kickers are everywhere! |
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06-25-2009, 12:46 AM
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#6 |
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Registered User
 
Join Date: Aug 2005
Location: Hillsboro Oregon
Posts: 6,449
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Re: Converting 4x4 to 2x4......I know..here we go again
I would suggest using the 4x4 Blazer frame and adding the 2wd front crosmember to that. This will give you extra drop right from the start due to the higher kick-ups on the 4x4 frame. I believe you can run the trailing arms on the 4x4 frame by properly locating the TA xmember and fabing up upper spring or bag mounts. Gringoloco has experience with this.
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06-25-2009, 01:08 PM
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#7 |
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Registered User
Join Date: Aug 2008
Location: el mirage,arizona
Posts: 284
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Re: Converting 4x4 to 2x4......I know..here we go again
good info
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 2 many ,want to finish 1 
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06-25-2009, 02:16 PM
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#8 |
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Registered User
Join Date: Jun 2008
Location: anchorage, ALASKA
Posts: 111
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Re: Converting 4x4 to 2x4......I know..here we go again
I used a 4 wheel frame and added 2wd front crossmember, it gives you a 1inch suspenion lowering by moving the crosmember up.The 4wd frame profile is also straight in the rear and lets you run more rear tire. Just use the crossmember 4 the trailing arms and get the wheel base right which is 104 inches. Take alook at my thread prostreet/dragrace blazer and you can see the work involved. let me know if I can help,and best of luck
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