New rear tires, loose steering, tire squirm

Nixin · 06-30-2017, 10:44 AM

Quote:

Originally Posted by bthomas87

Are you confusing me with someone else? This is my first and only thread/post pertaining to tires.

No, I am not confusing you with anyone. Nor was I even suggesting that you wrote anything about tires. I am referring to the other members post's pertaining to their experience with tires other than the oem Bridgestones. Did you read any of those reviews? Just wondering what prompted you to purchase Firestone tires?
That's it, that's all. Thanks.

bthomas87 · 06-30-2017, 10:55 AM

Quote:

Originally Posted by Nixin

No, I am not confusing you with anyone. Nor was I even suggesting that you wrote anything about tires. I am referring to the other members post's pertaining to their experience with tires other than the oem Bridgestones. Did you read any of those reviews? Just wondering what prompted you to purchase Firestone tires?
That's it, that's all. Thanks.

It's cool. I did read the reviews on many other brands before going with the firestones. The firestones were $169 per tire and had tons of good reviews and from what I found through some research they seem to be identical to the bridgestone re-003's which also have great reviews. They seemed worth trying out, but I have to say I'm now wondering if I made a mistake by buying them.

cjwsrt6 · 06-30-2017, 11:06 AM

Check alignment and pressures. I've ran different front and rear on multiple cars with multiple sizes and brands and never had an issue that scared me. Now I do have toe out in front slightly and on roads that aren't flat it will move slightly even with matching continental dw's, so that's why I'd check alignments out, firestone lifetime is usually 180, I get mine done every 6 months or when I change tires so usually 4-6 times a year

Nixin · 06-30-2017, 11:49 AM

You might also want to check the lug nuts. I have seen techs just tighten by hand and forget to torque them down.

Chuck33079 · 06-30-2017, 11:56 AM

Quote:

Originally Posted by Nixin

You might also want to check the lug nuts. I have seen techs just tighten by hand and forget to torque them down.

Or zap them down with the impact and now you have to jump on the damn lug wrench to break them loose when you have a flat. There are only two torque specs for lug nuts to the average tire monkey - finger tight or 500ft-lbs.

Spooler · 06-30-2017, 12:16 PM

Yeap, this happened to me when I installed Bridgstone S04's on the rear and had the factory Advans up front. They should be better after some breakin but it will still feel off a bit. You should have just bought a set of Bridgestone SO4's all around. They are good tires for the money.

ChaseZ · 06-30-2017, 10:40 PM

Unless you want to intentionally invoke understeer or oversteer depending on your car setup, experience and mastery of the skinny pedal

Different tires front and rear aren't always a bad thing.

bthomas87 · 07-06-2017, 08:12 PM

Got a few hundred miles on them now and they're doing much better. I also increased the rears to 36psi which also helped.
These firestones are actually pretty good. They're very quiet. These tires really hook up nice and it launches better than ever, which I try not to do often...
Still gonna swap out the front ones soon though just to have the same tires all the way around.
Thanks for all the suggestions!

06-30-2017, 11:49 AM	#4 (permalink)
Nixin A True Z Fanatic Join Date: Sep 2015 Location: GWN Posts: 3,488 Drives: Goodbye Z! Rep Power: 19833	You might also want to check the lug nuts. I have seen techs just tighten by hand and forget to torque them down. TreeSemdyZee likes this.

06-30-2017, 12:16 PM	#6 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 14,120 Drives: 2013 Nismo 370z Rep Power: 2684394	Yeap, this happened to me when I installed Bridgstone S04's on the rear and had the factory Advans up front. They should be better after some breakin but it will still feel off a bit. You should have just bought a set of Bridgestone SO4's all around. They are good tires for the money. Rusty and Hotrodz like this.

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06-30-2017, 11:06 AM	#3 (permalink)
cjwsrt6 Enthusiast Member Join Date: Apr 2014 Location: Alabama Posts: 452 Drives: 2005 crossfire Srt6 Rep Power: 12	Check alignment and pressures. I've ran different front and rear on multiple cars with multiple sizes and brands and never had an issue that scared me. Now I do have toe out in front slightly and on roads that aren't flat it will move slightly even with matching continental dw's, so that's why I'd check alignments out, firestone lifetime is usually 180, I get mine done every 6 months or when I change tires so usually 4-6 times a year

06-30-2017, 10:40 PM	#7 (permalink)
ChaseZ A True Z Fanatic Join Date: May 2016 Location: Calgary Posts: 3,799 Drives: 16 370z Rep Power: 94684	Unless you want to intentionally invoke understeer or oversteer depending on your car setup, experience and mastery of the skinny pedal Different tires front and rear aren't always a bad thing.

07-06-2017, 08:12 PM	#8 (permalink)
bthomas87 Base Member Join Date: Aug 2015 Location: Cincinnati, OH Posts: 77 Drives: 94' GMC Sierra Rep Power: 10	Got a few hundred miles on them now and they're doing much better. I also increased the rears to 36psi which also helped. These firestones are actually pretty good. They're very quiet. These tires really hook up nice and it launches better than ever, which I try not to do often... Still gonna swap out the front ones soon though just to have the same tires all the way around. Thanks for all the suggestions!