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I think I figured some of it out.
As I suspected the tire shop didn't fill the new tires any where near 40psi.
The yokos were at 34psi.
The old ecopia tires weren't far off. They were at 36psi.
Vehicle name plate says 36psi.
So I aired the ecopia tires back up to 42 and Yokohama tires up to 38 because I don't want to wear the center of the yokos tread out at 2/3 to 3/4 their life expectancy.
A full set of yokos is going to run at least $500.
Wearing then out sooner to get better economy makes no sense when electricity is so cheap.
Only getting 70% to 80% of your money's worth out of a set of tires = dumb.
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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; 09-07-2018 at 11:17 PM..
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