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Old 10-27-2008, 01:42 AM   #4 (permalink)
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BDC's Honda CiViC HX/Si - '98 Honda CiViC HX/Si (HX Shell/Si Swap)
90 day: 40.56 mpg (US)
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Originally Posted by Matt Herring View Post
My tires are at max (50 psi) and I can tell when they are down a month or so later when I have to reinflate. My car coasts in neutral approx. 1/3 less with 35psi vs. 50 psi. There are times when I'm at max psi that I don't touch the gas pedal for close to a mile on my commute to work.

I don't have stats to back this up...
Heh! I'll back you up, mang...

And, you can take this from the World's Record Holder for Honda B16A2 FE!

50 psi is THE sweet spot for regular street tires... not 36 psi or even 44 psi... I've tried them all - door sticker to 50+ psi!

If you're a real tweak and run 'Land Speed Record Tires' - Bonny Tires - you can get away 60-70 psi, but I think that's getting a little extreme...

Anyway, pump them babies up to 50 psi and I guarantee you'll see that everything Matt Herring said above is 100% true!


I suppose it goes without saying - but we're talking auto tires here, not truck tires, which require considerably more psi...
.:: B16A2 HX/Si Coupe | '98 HX shell with full '99 CiViC Si swap | 40+ MPG
Listen to the people who fail. They know what they're talking about!
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