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Old 07-21-2013, 12:59 AM   #2 (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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If you want a smoother ride go big, The problem with tiny tires is they go deeper into holes.

With every car I have changed around tire size on I have found that you can go 1 inch taller and 1 size wider (10mm) with out any problem.
Trucks can usually go 2 or 3 inches taller with out issue.

Our 08 Hyundai has 1 inch over OEM spec taller tires on the back (but still on the factory rim). I already installed and tested them on the front. It looks funny with bigger tires on the front and plus I want the old smaller tires to wear out faster (that's why the new ones are on the back).
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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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