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 Post subject: tire size?
PostPosted: Sat Jan 08, 2011 12:49 am 
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Location: Vancouver, Washington
im looking for the right size of tire...
those little 24.5" tires are killing me. around 4k rpm at sixty is horrible.
anyone know about what size tires would even out acceleration and crusing speed the best?
like 28-29? i dont have a lift so i need tires that will fit a stock height luv.
not sure the size on the new stock half ton chevy wheels/tires?? but that seems like an option size its same bolt pattern with a bigger aluminum wheel and bigger tires?? ayone running newer chevy wheels/tires on the forum?

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 Post subject: Re: tire size?
PostPosted: Sat Jan 08, 2011 4:28 pm 
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Location: Great Falls, MT
I'm running 195/75R14 on my 81 2wd Luv and 205/75R14 on my 79 4wd Luv. Stock original rims.

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 Post subject: Re: tire size?
PostPosted: Sat Jan 08, 2011 6:20 pm 
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Dog trainer wrote:
I'm running 195/75R14 on my 81 2wd Luv and 205/75R14 on my 79 4wd Luv. Stock original rims.


im running 195/75r14 wildcat lt's at about the end of their wear.
im looking for something a little bigger to lower my rpm at highway speed

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 Post subject: Re: tire size?
PostPosted: Sat Jan 08, 2011 7:49 pm 
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Joined: Thu Sep 23, 2004 8:30 pm
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Location: Grants Pass, OR
I run p225/70r14


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 Post subject: Re: tire size?
PostPosted: Sat Jan 08, 2011 10:21 pm 
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Location: Salt Lake City
love4theluv wrote:
im looking for something a little bigger to lower my rpm at highway speed


changing tire size will not change the rpms as much as you think. not only that, but the bigger the tire, the more weight you have, the more the engine will have to work to turn those tires. keep that in mind.

use this site to figure out what would be the best size. you might also consider changing wheels to 15 inch since they also allow for more variety of tire sizes.

http://www.miata.net/garage/tirecalc.html

the closest metric size to the factory tire will be a 195/75-14. I changed to a 225/70-14 and while it drops my tire rpm's by about 26 turns, it's not enough to make a HUGE difference.

changing to a 215/75-15 will definitely make a difference, but you will run into trouble when installing the front and finding that you can't turn the wheels all that well up front.


personally, i recommend the 225/70-14's. it's what i run and they are relatively cheap. (try discount tire. i buy all my stuff from them)

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 Post subject: Re: tire size?
PostPosted: Sun Jan 09, 2011 1:45 pm 
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Figuarus wrote:
love4theluv wrote:
im looking for something a little bigger to lower my rpm at highway speed


changing tire size will not change the rpms as much as you think. not only that, but the bigger the tire, the more weight you have, the more the engine will have to work to turn those tires. keep that in mind.

use this site to figure out what would be the best size. you might also consider changing wheels to 15 inch since they also allow for more variety of tire sizes.

http://www.miata.net/garage/tirecalc.html

the closest metric size to the factory tire will be a 195/75-14. I changed to a 225/70-14 and while it drops my tire rpm's by about 26 turns, it's not enough to make a HUGE difference.

changing to a 215/75-15 will definitely make a difference, but you will run into trouble when installing the front and finding that you can't turn the wheels all that well up front.


personally, i recommend the 225/70-14's. it's what i run and they are relatively cheap. (try discount tire. i buy all my stuff from them)



thanks for the info :ebiggrin i was looking at some of the newer 6 lug chevy wheels on craigslist and such. spacing out my wheels a bit wouldnt be out of the question :lol:
either way some little faggleberry slashed one of my tires :evil: so now i NEED new tires

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