coreys912516 Legacy Donating Member 217 Member For: 13y 11m Gender: Male Location: wollongong Posted 26/05/14 12:55 PM Author Posted 26/05/14 12:55 PM 245/35R19 fronts are the best cause its only 0.14 % bigger than the 245/40R18 and the rear 275/30R19 is -0.86% smaller than 245/40R18 so its with in 3% so that means when im going 112.65kmph ill be really going 113.65kmph
arronm Dropping a turd Legacy Donating Member 9,520 Member For: 18y 11m 2d Gender: Male Location: Perth Posted 26/05/14 01:23 PM Posted 26/05/14 01:23 PM (edited) But most people fit 275/30/20 = 674mmOD and 275/35/19 is 675mm OD Car will be more comfortable and grip better with the taller tyres.GT R spec runs 275/35/19 Edited 26/05/14 01:26 PM by arronm
Ralph Wiggum Moar Powar Babeh Legacy Donating Member 19,334 Member For: 21y 6d Gender: Male Location: Perth Posted 26/05/14 01:37 PM Posted 26/05/14 01:37 PM 2
Panda Eyes flame magnet Legacy Donating Member 5,674 Member For: 18y 4m 13d Gender: Male Location: adelaide hills- 'race air' central Posted 26/05/14 11:18 PM Posted 26/05/14 11:18 PM ah 19's not 20's. yes 40/35 profile is best. my bad
Bellato Legacy Donating Member 2,713 Member For: 15y 11m 10d Posted 27/05/14 12:46 AM Posted 27/05/14 12:46 AM 245/35R19 fronts are the best cause its only 0.14 % bigger than the 245/40R18 and the rear 275/30R19 is -0.86% smaller than 245/40R18 so its with in 3% so that means when im going 112.65kmph ill be really going 113.65kmphBut most people fit 275/30/20 = 674mmOD and 275/35/19 is 675mm OD Car will be more comfortable and grip better with the taller tyres.GT R spec runs 275/35/19My 20's with 245/35 put the speedo out but like 3km from where it was. For the sake of 3km difference I would go the extra 5% profile and enjoy the comfort and grip it offers
arronm Dropping a turd Legacy Donating Member 9,520 Member For: 18y 11m 2d Gender: Male Location: Perth Posted 27/05/14 12:58 AM Posted 27/05/14 12:58 AM (edited) homersimpson1.jpgSee how intelligent I look with glasses Edited 27/05/14 01:01 AM by arronm
Ralph Wiggum Moar Powar Babeh Legacy Donating Member 19,334 Member For: 21y 6d Gender: Male Location: Perth Posted 27/05/14 12:59 AM Posted 27/05/14 12:59 AM I was thinking if we added a few more strands of hair it wouldn't be too far off the the mark??
coreys912516 Legacy Donating Member 217 Member For: 13y 11m Gender: Male Location: wollongong Posted 27/05/14 03:32 AM Author Posted 27/05/14 03:32 AM I'm not going 20"S I'm going 19's. Not really bothered I have 1,000 tyres on hand if I want to change the profile perks of being a tyre fitter
arronm Dropping a turd Legacy Donating Member 9,520 Member For: 18y 11m 2d Gender: Male Location: Perth Posted 27/05/14 10:57 AM Posted 27/05/14 10:57 AM We know you arnt getting 20's. But do you understand what we are trying to say.35/30 is the wrong profile
Bellato Legacy Donating Member 2,713 Member For: 15y 11m 10d Posted 27/05/14 11:57 AM Posted 27/05/14 11:57 AM I used my 35 profile 20 for comparison to a 40 profile 19 because they're basically the same. Point being speedo won't be out enough to worry about, extra comfort and grip. I can get cost price tyres, but why not just get it right the first time...
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