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Apparently not all tires are created equal. Some have greater rolling resistance than others. How can I buy tires that won't decrease fuel efficiency. What to look for, or just cruise horror stories on the internet?
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I would worry more about proper tire inflation and wheel alignment. If you want to get picky though you can look at tire weight.Your local OBDII moderator
2000 Grand Am GT w/ WOT parts -
More surface area contacting the road = more resistance.
Thus wider tires are not going to be your best bet for mileage.
It would be fun to put 4 spares on a car and drive around for a week and see what the effects on gas mileage are.2000 Grand Am GT
2011 Chevy Impala
"The world's best cam combined with a poor set of heads will produce an engine that's a dog. But bolt on a set of great heads even with a poor cam, and that engine will still make great power." ~John LingenfelterComment
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4 spares LOL. Lowered yo! I can burn out like mad yo! :P
Reminds me of one of them small foreign cars out now. They look like they have 4 donuts. I think they are like 4 bolt 12" rims or something LOLsigpic
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1994 3100 BERETTA. 200,000+ miles
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Friend had a geo metro.. the spare was bigger than the actual tires o.O
Tire wise, yeah, inflation and alignment are most important. When it comes to resistances, yeah, some grip the road better than others. So don't buy super aggressive street racing tires, or drive around with snow tires on. But I don't think the extra grip will really affect fuel economy as much as a tire being under inflated.You may or may not know 10 times what i do.
ASE Master certified. Just means I can take tests. GM ASEP Graduate.
95' Z26, ported/cammed 3400/3500, OBD2, 282, T3T4. Boxes almost all empty..Comment
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Yeah, the 185/65-14 tires on my Saturn are probably a contributor to its 40mpg highway. Then again, they're also a contributor to its lack of grip. Can't win for losing.60v6's original Jon M.Comment
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Michelin likes to say that their tires have fuel economy enhancing benefits. GREEN X is something they like to stamp on thier tires when they have that characteristic.Lorenzo
'11 DODGE Challenger R/ T Classic 57M6 Green with Envy "Giant Green Squid"
'92 PONTIAC Grand Prix SE 34TDCM5 "Red Lobster"Comment
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