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Old 03-08-2018, 05:38 PM   #5
projectking
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Join Date: Oct 2006
Location: Orland Park Il
Posts: 2,041
Re: 1968 C20 to C10 frame differences?

C10 115 C Blazer
C10 127 6.04" height 2.53" flange width 0.156" thick 2.98 section modulus

C20 127 6.11" height 2.46" flange width 0.194" thick 3.71 section modulus

C30 133 C20/30 Longhorns 7.20" height 2.77" flange width 0.194" thick 5.05 section modulus

C30 157 8.18" height 2.97" flange width 0.224" thick 7.29 section modulus


K Blazer
K10 115 6.02" height 2.71" flange width 0.141" thick 2.70 section modulus

K10 127
K20 127 6.09" height 2.75" flange width 0.186" thick 3.48 section modulus
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68 GMC C3500 Longhorn DRW
67 Chevy C10 LWB
90 Mustang Gt
90 Mustang Notchback
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