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09-18-2020, 04:25 PM | #1 |
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Worse handling with PS4S?
Hi Guys,
I have a '17 BRZ PP riding on 17x8 Enkei PF01s. I just upgraded from the stock primacy hp tires to 225/45r17 michelin PS4Ss in the hopes of getting more grip. The grip is definitely there, but the car feels less taught overall and turn-in is a bit softer and more sluggish. My first thought was that the stock 215 tires were a bit stretched over the 8" rims, and now the 225s with a tiny bit more sidewall are flexing more when cornering leading to sloppier handling... Is there anything that can be done about this? I've been wondering about down to 215 PS4Ss just to se if it makes a difference, but I'd rather not seeing as I just bought this brand new set last week. Any advice is greatly appreciated! |
09-18-2020, 04:39 PM | #2 |
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You have more grip now, so the car is going to generate more load on the suspension. Because of this, its going to take a touch more time for the suspension to load up fully than it previously did while cornering.
The tire size can play into it, but the size you have is perfect for the rim you've got so I wouldn't worry about it. Drive the car for a while and get used to it. |
The Following User Says Thank You to BlueWhelan For This Useful Post: | DarkPira7e (09-18-2020) |
09-18-2020, 04:45 PM | #3 |
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Just as Blue said. Suspension is a system, if you change one piece, the others behave differently. When I upgraded to 200tw tires on my car with totally stock suspension, I felt like my door was going to scrape pavement. It still had way more grip though!
I'm surprised honestly that PP doesn't come with the ps4s originally. Great tire choice! |
09-18-2020, 06:17 PM | #4 |
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New tires with full tread depth are going to have more squirminess vs. tires near or at the treadwear indicators. A lot of what you are feeling could be that.
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The Following 2 Users Say Thank You to ZDan For This Useful Post: | BlueWhelan (09-18-2020), soundman98 (09-19-2020) |
09-19-2020, 08:34 AM | #5 |
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I'm in CT and have 215 PS4S on stock everything; you're welcome to drive my car if you'd like, to see if you prefer the skinnier width. I upgraded from the Primacies last spring and am in love with the PS4S.
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09-19-2020, 08:38 AM | #6 |
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What's tire pressure at?
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Seek comfort in discomfort.
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09-19-2020, 10:56 AM | #7 |
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Actually that might be really useful and fun, maybe we can figure something out before it gets cold enough for the blizzaks to go on?
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09-19-2020, 10:56 AM | #8 |
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35 all around, same as I ran the stock ones
Edit: it also appears that I'm too new to thank posts, but I want to say thanks for all the feedback and suggestions! I've lurked on here for too long lol Last edited by Caspernam; 09-19-2020 at 11:01 AM. Reason: Thanks! |
The Following User Says Thank You to Caspernam For This Useful Post: | alphasaur (09-19-2020) |
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handling, michelin, tires help |
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