Optimal tire sizes for a gs-r
03-20-2003, 03:25 AM
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Optimal tire sizes for a gs-r
Given the specific characteristics of the b18c1 (and the size of the wheelwell), what do you guys think is the optimal tire size for best straight-line performance ?
Right now I have 195/55/15s, and I was looking at getting some 225/50/15s. I noticed however, that the tires seemed really chunky and heavy, and even though it will improve my launch because of more surface area on the ground, I was thinking that it might bog me down on the take-off alot more, due to the lack of low end torque on the gs-r, combined with the sheer size of the tire. What is your guys opinion...should I go with something a little thinner like a 205, or will a 225 benefit my launch more ?
Right now I have 195/55/15s, and I was looking at getting some 225/50/15s. I noticed however, that the tires seemed really chunky and heavy, and even though it will improve my launch because of more surface area on the ground, I was thinking that it might bog me down on the take-off alot more, due to the lack of low end torque on the gs-r, combined with the sheer size of the tire. What is your guys opinion...should I go with something a little thinner like a 205, or will a 225 benefit my launch more ?
03-20-2003, 07:22 AM
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go with the 205 50's. Closest rotational mass to the stock 195 55's. 225's wouldn't fit on the stock rims. I don't even think 215's would fit on stock rims.
03-20-2003, 08:22 AM
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Oh yeah; I forgot about the rotational mass. Damn, it seems like everything is a trade off........the wider the tire, the more grip, but more rotational mass and more weight. The thinner the tire, less grip, but less rotational mass and less weight.....
03-20-2003, 09:30 AM
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205/50/15 is the way to go.
I'm getting the Kumho MXs on Saturday, they were rated REAL close to the Potenza S-03 on TireRack. $78/each is MUCH better than $117 for an S-03.
I'm getting the Kumho MXs on Saturday, they were rated REAL close to the Potenza S-03 on TireRack. $78/each is MUCH better than $117 for an S-03.
03-21-2003, 05:11 PM
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If you are really going to drag. get some R compound tires and swap them out when you go to the track, and get some bulletproof drive shafts
03-21-2003, 05:44 PM
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I'm pretty happy with my 205/50-15 Azenis. They're very grippy, solid (no flex), responsive, and street legal. They are meant for a 15x6.5" rim, so I wouldn't expect their best results from mounting them on your stock 15x6.0" rims.
They are a bit heavier than normal tires, but their cornering and braking performance more than makes up for it. They're probably not the best choice for drag tires though.
They are a bit heavier than normal tires, but their cornering and braking performance more than makes up for it. They're probably not the best choice for drag tires though.
03-21-2003, 06:46 PM
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GS-R tire size on stock wheels
I'm looking at Yokohama AVS ES100s to replace my worn RE730s. I currently have 205/50-15s; the Tokico performance kit lowered front and back 1.5", so no wheel gap.
I checked out the ES100 dimensional data, found on page 2 of
http://www.yokohamatire.com/pdf/avses100.pdf
205/50R15 has 6.5" Measuring Rim Width, with 5.5-7.5" Approved Rim Width.
225/50R15 has 7.0" Measuring Rim Width, with 6.0-8.0" Approved Rim Width.
So 225s will technically fit on the stock 15x6 wheels.
Any thoughts on going to the 225s, or should I stick with the 205s?
Thanks!
I checked out the ES100 dimensional data, found on page 2 of
http://www.yokohamatire.com/pdf/avses100.pdf
205/50R15 has 6.5" Measuring Rim Width, with 5.5-7.5" Approved Rim Width.
225/50R15 has 7.0" Measuring Rim Width, with 6.0-8.0" Approved Rim Width.
So 225s will technically fit on the stock 15x6 wheels.
Any thoughts on going to the 225s, or should I stick with the 205s?
Thanks!