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Old 11-15-2004, 02:51 PM   #2
Super Duck
Chevy Nuttttt
 
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Join Date: Sep 2004
Location: Santa Maria Ca.
Posts: 568
burb

I think the 4.3 would get worse milage because the motor doesnt put out enough power for a 6500lb truck. other than that the swap should be strait forward. the 4.3 is a 350 with two cylinders lopped off. if I am not mistaken the motor mounts are in the same spot.
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67' Chev swb step side
69' SS elky
03' Chev ext cab 4X4

hey who lernt me to spell

is there anything else?
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