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So I installed the figs LCA bushing and did an alignment. At first I couldn’t tell the difference but after driving for about 3 weeks now, I can feel the difference. Now I don’t know if it’s a good thing or bad.
when I drive, my steering feels.. how do I say it.. like more loose.. like it goes left and right little bit.. like the steering isn’t like stiff and instant response when I move the steering left or right… like say I’m driving and I’m tryna move away from a pothole, it’ll take second to feel the responsiveness.
however, the other side to this, when im driving and going over bumps etc like it feels fine. It’s perfectly normal… the steering doesn’t go all over the place like befoee.
so I don’t know if the bushing is supposed to make the steering feel slightly looser
When accelerating the steering will feel lighter, but the Figs LCA should tighten it up especially under load….braking, down hills, etc…
^^ I don't think anyone has officially reported this issue on the 2021 yet, however, given that they are still using the same LCA bushings and such, I doubt that the problem has been corrected. That is why I didn't leave it to chance and proactively installed the stiffer ones.
If it’s meaningful, I can buy a tire wear gauge and start measuring wear. I just someone to educate me on where to measure.
I have 5.5k miles on my 2021 IS350. I’m measuring 6mm tire depth consistently on all 4 tires in all channels, expect in the inner channel on both rear tires which measure 7mm. I don’t know much but I do not see an issue so far.
I have 5.5k miles on my 2021 IS350. I’m measuring 6mm tire depth consistently on all 4 tires in all channels, expect in the inner channel on both rear tires which measure 7mm. I don’t know much but I do not see an issue so far.
Sounds about the same as me. I took it in at 5k miles and had 7 all around, no weird inner wear. Holding out hope it'll stay like that.
Woke up to a low rear tire. Went to the gas station to top them all up, including the spare, and realized I had a nail. Anyways... I decided to change it and pull the wheel off to realize the rears have worn down in the center while the outsides still look fairly decent. Does this look like normal wear for these cars?
^^ Sorry to hear about your nail - I hate when that happens!!! That being said, you were able to spot an obvious excessive wear in the center of your tire before it got too late. I am notorious for rocks in my windshield, so much so that my wife calls me "Rockie" but not for the right reasons (lol)
^ Yeah, I'm sorta grateful because I had no idea they were wearing this oddly in the rear. Just ordered new rear tires on tirerack.com and should receive them tomorrow.
Windshield rocks? Yikes! You might want to look into getting the windshield PPF'ed on your IS500 while it's still new - a friend of mine had it done to his GT350 last year. Lol! When she drops the "Rockie" namenick you can always rebuttal with: "Yo, Adriaaaan!" if it makes you feel better.
Clearly, I wasn't checking the tires thoroughly enough, but I genuinely had no idea the wear was like this. Do you guys think I should expect similar wear from the next set of tires and is there something I can/should do about it to lengthen the rear tire life?
Originally Posted by wthrman2
^^ That is not a bad idea, I am almost embarassed to say that I had no clue you could do that to your windshield....
I hadn't either. When scheduling to have his front bumper PPF'ed the installer asked if he wanted the windshield and headlights done as well, so he did. I believe it's possibly a different film to the one used on the bumper though... but I'm not really sure.
I would be surprised if the middle parts of my rear tires were wearing. Typically that means they are under-inflated over-inflated, but with the relatively negative camber in the rear, I'd also expect some inner wear - though, if I am seeing your above photo correctly, it looks like there is a little bit.
I would be surprised if the middle parts of my rear tires were wearing. Typically that means they are under-inflated, but with the relatively negative camber in the rear, I'd also expect some inner wear - though, if I am seeing your above photo correctly, it looks like there is a little bit.
Yes, there is some inner wear while the outer portion looks almost brand new by comparison. Like you mentioned, I kinda expected that with the stock rear camber. Still, the center wear caught me off guard. I guess I'll just have to be more diligent on keeping the new tires at the correct pressure.
I would be surprised if the middle parts of my rear tires were wearing. Typically that means they are under-inflated, but with the relatively negative camber in the rear, I'd also expect some inner wear - though, if I am seeing your above photo correctly, it looks like there is a little bit.
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Actually, most of the time, middle of tread area wear means over inflation. This is true even on radials when on drive wheels.
I’d put them on now. I had bad inner tire wear (totally bald on the inside) and drove almost another 2000 miles without the inner tire wear getting worse after I installed the Figs.
Im guessing you didn't do an alignment after you installed?
I would like to add something to this thread that people may find informative. Watch in real time how a rubber bushing responds to steering, braking, heavy cornering etc... Then compare it to the ultimate stability of a polyurethane bushing. There is a reason Energy suspension has been one of the biggest problem solvers in automotive performance. Replacing the standard IS rubber with stiffer RCF rubber is a gamble. I take more calls from RCF owners looking to go o the USRS Poly. than anything. It's definitely cheaper to go RCF but it will not give you near the same stability and steering improvement as a Poly bushing.
11-24-21, 05:19 AM
