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      11-08-2011, 10:28 AM   #1
CSanto
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Anyone Running 295s with Stock HP?

I've really been beating up on my car recently, and I've come to notice that the 295 tires i have on my 19" P40s probably provide too much grip.

When I nail it in 1st I get some wheel hop, and that's about it, they just grip and go, minor chirp into second, then nothing through 3rd, and 4th.

I'm thinking about going back to stock Tire widths. What do you guys think?


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      11-08-2011, 10:31 AM   #2
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What is your issue here? You want to be able to break loose the tires easier? Your heavier wheels play a big part here as well as the tires. IMO, the wheels and not the tires are hurting you more.
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      11-08-2011, 10:39 AM   #3
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haha yeah. I didn't really specify my problem. I want to break them loose easier. I feel like I'm losing out on some of the cars fun.

The wheels weigh the same as the stock wheel with the 265 tire. (both PS2s) but the weight may be further from the hub, which could be causing a problem.
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      11-08-2011, 10:40 AM   #4
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lol...
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      11-08-2011, 10:51 AM   #5
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Quote:
Originally Posted by HREM3 View Post
haha yeah. I didn't really specify my problem. I want to break them loose easier. I feel like I'm losing out on some of the cars fun.

The wheels weigh the same as the stock wheel with the 265 tire. (both PS2s) but the weight may be further from the hub, which could be causing a problem.
Interesting. For some reason, I thought those wheels weighed more.

Personally, I wouldn't sacrifice tire width just to do burnouts easier.
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      11-11-2011, 07:37 PM   #6
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get some non-sticky tires hah
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      11-12-2011, 01:21 AM   #7
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      11-13-2011, 11:16 PM   #8
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Really no use in wider than the stock 265's. All you are doing is adding weight with a larger tire. Probably an extra 4 or 5 pounds each tire that is more weight at the very maximum point from the hub which is the absolute worst. So 5 pounds that far from the hub is similar to wheels that maybe way 15 pounds more than stock effectively if you want to look at it that way. Big difference and you do not need any extra grip with stock power
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      11-14-2011, 07:48 AM   #9
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      11-16-2011, 01:02 AM   #10
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Quote:
Originally Posted by Ateam View Post
Really no use in wider than the stock 265's. All you are doing is adding weight with a larger tire. Probably an extra 4 or 5 pounds each tire that is more weight at the very maximum point from the hub which is the absolute worst. So 5 pounds that far from the hub is similar to wheels that maybe way 15 pounds more than stock effectively if you want to look at it that way. Big difference and you do not need any extra grip with stock power
That is why the GTS comes with a 285 out back...

The M3 needs more rubber out back, I have 285s out back and the car has to be driven at the apex with your foot on the throttle like its on egg shells. At best a PSSs 295/30/19 is just 3lbs heavier than the taller 265/35/19s and just 1lb lighter than a 285/30/19.

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      11-16-2011, 06:39 AM   #11
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Quote:
Originally Posted by Dave07997S View Post
That is why the GTS comes with a 285 out back...

The M3 needs more rubber out back, I have 285s out back and the car has to be driven at the apex with your foot on the throttle like its on egg shells. At best a PSSs 295/30/19 is just 3lbs heavier than the taller 265/35/19s and just 1lb lighter than a 285/30/19.

Dave
Agree 100%

Also, heavier doesn't always degrade performance - in an issue of GRM from earlier this year they tested heavier and lighter wheel-tire combos to determine if there were any measurable impacts on performance, and the results of their testing will surprise you.
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      11-16-2011, 07:08 AM   #12
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Quote:
Originally Posted by dbarnes View Post
Agree 100%

Also, heavier doesn't always degrade performance - in an issue of GRM from earlier this year they tested heavier and lighter wheel-tire combos to determine if there were any measurable impacts on performance, and the results of their testing will surprise you.
It comes down to driver skill over setup. If you're able to use more mechanical grip from wider rubber it may overcome the slight increase in rotational weight.
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      11-16-2011, 07:18 AM   #13
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Quote:
Originally Posted by 4sevens.com View Post
It comes down to driver skill over setup. If you're able to use more mechanical grip from wider rubber it may overcome the slight increase in rotational weight.
No disagreement here

However, on the street, the increase in unsprung weight will most likely result in increased NVH but, IMO, the performance tradeoff is worth it.
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