QUOTE(halcyon27 @ Nov 26 2012, 01:49 AM)
Changed tyres from Jap Dunlop SP2030 to ContiComfortContact 5 (CC5).
UTQG TW 360 Traction A Temp A.
Load Index 83
Speed Index V
Profile: 185/55
Rim: 16 x6 JJ (stock alloy)
Price RM265 (high side. Can be had for RM235-255 if done at Conti shop)
Others: Metal valves, nitrogen, balancing
My mechanic added adjustable camber bush on FL side. Testament to hitting a deep pothole in Pothole Jaya (PJ).
I ask about Bridgestone Ecopia (Thailand) and it came to RM345 (probably RM310) for 185/55 profile. Michelin XM2 about Rm290++. CC5 will do for now. Tyre quieter but FC upped slightly but should improve after certain km of running in.
Stock tyres flaking off the sides after 31,000 km. I actually did pump it up to 42F/40R in PSI to test out claims by US forums that had them claiming that their fuel economy improved. Well it's true it does. Easily can reach 24-25 on NKVE but don't know if side flaking is due to overinflation beyond 32/30 or the compound formulation cannot take our weather. I have a porch which does not cover half the car so mostly park front facing out which means the fromt tyres take punishment from the sun. Anyway tyre wall states do not inflate beyond 51PSI so the higher than usual is still well within the range.
Q: what's our stock 16" rim offset and PCD?
A: Found it here. PCD 100 Offset 45. 40 will be too out. [26 Nov 2012]
Note: Next round, will plan to experiment with 15" x 6JJ rims. Have a couple in mind. Reason being 195/55-60 profile prices and choices are wider and cheaper. Could also go for 185/60. Real reason: saw the Federal Formoza FD2 195/55/R15 (UTQG Treadwear 420 Traction A Temperature A).
It has 4 water evacuating channels compared to the conventional 3 that's common to all. 195/55/R15 will be 2.42% faster than stock 185/55/R16 but will lowers the ride by 6-7mm. Not keen if wider than 195 cos hv owned 2006 City iDSI and have seen fuel economy degrade 3-4km/l in city driving conditions although handling improved. Perhaps the Ecopia may change my perception since it's supposed to be improved. Checking the brake assembly area behind the rim, it should be able to downsize to 15". Only need to know PCD and offset for the current 16" rims.
Update: Some info on rim and tyre size difference but based on 185/60/R15 as benchmark.
I have change mine to ContiPremiumContact 2 for below RM200 per piece UTQG TW 360 Traction A Temp A.
Load Index 83
Speed Index V
Profile: 185/55
Rim: 16 x6 JJ (stock alloy)
Price RM265 (high side. Can be had for RM235-255 if done at Conti shop)
Others: Metal valves, nitrogen, balancing
My mechanic added adjustable camber bush on FL side. Testament to hitting a deep pothole in Pothole Jaya (PJ).
I ask about Bridgestone Ecopia (Thailand) and it came to RM345 (probably RM310) for 185/55 profile. Michelin XM2 about Rm290++. CC5 will do for now. Tyre quieter but FC upped slightly but should improve after certain km of running in.
Stock tyres flaking off the sides after 31,000 km. I actually did pump it up to 42F/40R in PSI to test out claims by US forums that had them claiming that their fuel economy improved. Well it's true it does. Easily can reach 24-25 on NKVE but don't know if side flaking is due to overinflation beyond 32/30 or the compound formulation cannot take our weather. I have a porch which does not cover half the car so mostly park front facing out which means the fromt tyres take punishment from the sun. Anyway tyre wall states do not inflate beyond 51PSI so the higher than usual is still well within the range.
Q: what's our stock 16" rim offset and PCD?
A: Found it here. PCD 100 Offset 45. 40 will be too out. [26 Nov 2012]
Note: Next round, will plan to experiment with 15" x 6JJ rims. Have a couple in mind. Reason being 195/55-60 profile prices and choices are wider and cheaper. Could also go for 185/60. Real reason: saw the Federal Formoza FD2 195/55/R15 (UTQG Treadwear 420 Traction A Temperature A).
Update: Some info on rim and tyre size difference but based on 185/60/R15 as benchmark.
Nov 28 2012, 03:44 PM

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