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Advice on choosing the correct rim size / tyre size
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<blockquote data-quote="aquaman2020" data-source="post: 26020275" data-attributes="member: 576704"><p>If you want to maintain the speedometer accuracy, you cannot use 195/65R15 (same ratio with a fatter tyre, so the tyre will be slightly taller)</p><p><a href="https://tiresize.com/comparison/" target="_blank">https://tiresize.com/comparison/</a></p><p></p><p>Also, your tyre options will depend on the width of your rim. (try to stick closer to the ideal width)</p><p><a href="https://www.tyresizecalculator.com/tyre-wheel-calculators/tyre-size-for-rim-size-width-calculator" target="_blank">https://www.tyresizecalculator.com/tyre-wheel-calculators/tyre-size-for-rim-size-width-calculator</a></p><p></p><p>Generally, 205/45R17 would be a good fit, but you will need to get a set of 17" X 7" rims.</p><p>Whatever tyre/rim you buy, make sure you have enough clearance. (brake caliper clearance / fender clearance / ground clearance / suspension clearance)</p><p></p><p>Bigger/thicker tyres will look cool and provide better grip, but they will be heavier so do expect a little bit of noise and slightly worse fuel mileage. Also, your top speed may be slightly lower with bigger tyres (unsprung weight).</p><p></p><p>Rims - One way to get rid of most of the cons in wheel/tyre upsizing would be to get a set of forged rims ($$$) as they will be lighter and stronger. (I assume you could get a set of 2nd hand Jap spec wheels for less than Rs. 70,000). Do make sure that you pick the right offset for your use-case. You can always push the rim towards outside by using a good quality wheel adapter. PS. Do not buy cheap cast rims, you may regret later.</p><p></p><p>Tyres - If you are changing tyres, look for some high grip tyres (Michelin PS4 maybe) as they would make a huge difference in combination with a set of forged rims.</p><p></p><p>Ideally, get some H&R lowered springs at the same time (or coilovers - do NOT buy unbranded shitty coilovers) and enjoy your car.</p></blockquote><p></p>
[QUOTE="aquaman2020, post: 26020275, member: 576704"] If you want to maintain the speedometer accuracy, you cannot use 195/65R15 (same ratio with a fatter tyre, so the tyre will be slightly taller) [URL]https://tiresize.com/comparison/[/URL] Also, your tyre options will depend on the width of your rim. (try to stick closer to the ideal width) [URL]https://www.tyresizecalculator.com/tyre-wheel-calculators/tyre-size-for-rim-size-width-calculator[/URL] Generally, 205/45R17 would be a good fit, but you will need to get a set of 17" X 7" rims. Whatever tyre/rim you buy, make sure you have enough clearance. (brake caliper clearance / fender clearance / ground clearance / suspension clearance) Bigger/thicker tyres will look cool and provide better grip, but they will be heavier so do expect a little bit of noise and slightly worse fuel mileage. Also, your top speed may be slightly lower with bigger tyres (unsprung weight). Rims - One way to get rid of most of the cons in wheel/tyre upsizing would be to get a set of forged rims ($$$) as they will be lighter and stronger. (I assume you could get a set of 2nd hand Jap spec wheels for less than Rs. 70,000). Do make sure that you pick the right offset for your use-case. You can always push the rim towards outside by using a good quality wheel adapter. PS. Do not buy cheap cast rims, you may regret later. Tyres - If you are changing tyres, look for some high grip tyres (Michelin PS4 maybe) as they would make a huge difference in combination with a set of forged rims. Ideally, get some H&R lowered springs at the same time (or coilovers - do NOT buy unbranded shitty coilovers) and enjoy your car. [/QUOTE]
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