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That's pretty terrible because I was getting between 12 and 13 with my 454, 3 speed transmission, 4.10 gears with 1970s non aero dynamics in mixed driving.
All I did was tune the carb for lean burn and EOC.
I removed the fan, power steering and alt and getting 14mpg in the winter. I pulled all the accessories off the engine just as it got real cold. So MPGs could be higher in warmer weather.
Regular cab pickups are pointless, good call on getting the extended cab.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
Last edited by oil pan 4; 01-14-2016 at 12:17 AM..
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