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*GoobersBlueBurban* · 08-27-2006, 04:08 PM

my '87 4x4 suburban, with a rebuilt .040 over 350 with a same duration/slightly higher lift cam, headers/exhaust and TBI spacer, 700r4 and 3.73's i'm gettin 10-12(when i got my foot in it, 12-14 if i keep my foot outta it) in town and 15-18 on the highway. that is with 31" tires.

08-27-2006, 04:08 PM	#8
GoobersBlueBurban Account Suspended Join Date: Oct 2005 Location: Paris Texas Posts: 161	Re: Random Burb questions my '87 4x4 suburban, with a rebuilt .040 over 350 with a same duration/slightly higher lift cam, headers/exhaust and TBI spacer, 700r4 and 3.73's i'm gettin 10-12(when i got my foot in it, 12-14 if i keep my foot outta it) in town and 15-18 on the highway. that is with 31" tires.