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Old 09-11-2011, 06:20 PM   #7 (permalink)
oil pan 4
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Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 11,187

Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

Snow flake - '11 Nissan Leaf SL
SUV
90 day: 141.63 mpg (US)
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In the US we can do pretty much what ever we want with tire size as long as it with in reason.
On my car I run P225/60R16.
Taller and narrower that the dead (245/45) 16 inch OEM size my car came with.

On the truck I use 31x10.5R15. That is between 2 to 3 inches taller a little wider than what it left the factory with. I went taller for less rotations per mile and wider for the load rating.
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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.
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