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Old 05-28-2019, 04:27 PM   #12
MARKDTN
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Join Date: Jan 2011
Location: Chattanooga, TN
Posts: 2,129
Re: Yet Another Gas Mileage Question

My '82 K20 with 3.42 gears always got 14ish MPG around town since I got it at 42K miles. The cam went down at 150K and I swapped the tired 350 for a TPI 350 out of a '91 Corvette. I get 17 or so now around town and 20+ on the road. It had a 700R4 from new.
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'83 K20-TPI
'73 C10
'79 C10-ex-diesel(SOLD)
'07 Tahoe(Son driving)
'14 Suburban-DD
'71 C10-current project
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