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Motorsports and Skilled Driving Discussion for Organized Racing and motorsports and tips and techniques at becoming a better driver.


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Old 11-08-2011, 09:22 PM   #1
jasoncanseeoh
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Some may be against this or think it doesn't do shit, but i haven't had any tires chunk up or chip off on me by running them backwards. Particularly Federals.
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Old 11-08-2011, 09:28 PM   #2
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All that does is fuck your tires up. Maybe in the rain it would be a little different but running your tires backwards just doesn't make any justifiable sense.
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Old 11-08-2011, 09:33 PM   #3
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Only downside i've heard to running directionals in reverse is driving in wet conditions. water will be pulled in by the tread pattern instead of out.
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Old 11-08-2011, 10:41 PM   #4
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If you run with hella pressure in federals, it increases the chance of chunking.
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Old 11-09-2011, 02:50 AM   #5
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New tires normally don't chunk unless you over heat them by running to much or to little air pressure. The tire will get heat expansion in the middle only if you use to much air. This will make a tire chunk due to the tread not all expanding at the same rate. Like cheap glass cracking on a hot day when you spray water on it.

Old tires just suck....
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Old 11-10-2011, 01:18 AM   #6
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thanks people.
about the toe in the rear, is drifting really effected by the rear toe? i'm contemplating between having both front and rear toe to zero, or front zero toe with .05 toe in rear.
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Old 11-10-2011, 09:50 AM   #7
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thanks people.
about the toe in the rear, is drifting really effected by the rear toe? i'm contemplating between having both front and rear toe to zero, or front zero toe with .05 toe in rear.
Toe up front changes turn in.

Toe in back changes traction.
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Old 11-10-2011, 08:59 PM   #8
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Toe up front changes turn in.

Toe in back changes traction.
Are you saying toe in in the back will give better traction while drifting?
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Old 11-10-2011, 09:31 PM   #9
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Are you saying toe in in the back will give better traction while drifting?
When I first lowered my car and aligned it on an uneven surface I had toe out in the back. You know how if you have toe out in the front it makes the steering twitchy/super responsive?? Well toe out in the back made my car feel like the rear end was on marbles. It felt like the subframe was attached to the car via jell-o. Just put it this way:

Front toe in - stable front end
Front toe out - responsive but twitchy front end
Rear toe in - stable/somewhat harder to break loose rear end
Rear toe out - scary as hell will make you feel like you're driving sideways in the rain with your eyes closed...
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Old 11-11-2011, 02:25 PM   #10
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When I first lowered my car and aligned it on an uneven surface I had toe out in the back. You know how if you have toe out in the front it makes the steering twitchy/super responsive?? Well toe out in the back made my car feel like the rear end was on marbles. It felt like the subframe was attached to the car via jell-o. Just put it this way:

Front toe in - stable front end
Front toe out - responsive but twitchy front end
Rear toe in - stable/somewhat harder to break loose rear end
Rear toe out - scary as hell will make you feel like you're driving sideways in the rain with your eyes closed...
With rear toe in, "somewhat" harder to break loose rear end which means more smoke when drifting. no? sorry i'm noob
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Old 11-10-2011, 02:01 PM   #11
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I have NEVER had a single chunk come off a Federal.
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Old 11-10-2011, 04:27 PM   #12
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I have NEVER had a single chunk come off a Federal.
the ONLY federal tire I have known to chunk was the 235/40 r18 and that was because if you inflated it past 50psi, it would overheat the tire, and chunk. A very normal process for a tire considering it's waaaaay past it's maximum rated heat levels.

Buuuut. According to powers, if you put Nitrogen in them, it's supposed to stabilize the air...allowing for normal temps....fixing that problem.

It's not the tire...it's the abuse we put them through.
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Old 11-10-2011, 05:20 PM   #13
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I've torn off thread blocks off of 17" federals at 30psi a few times. But I was beating them relentlessly.

If you allow the tires to cool down between runs and aren't going balls out for a long time, nor running a high psi, the tire will last.
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Old 11-10-2011, 05:26 PM   #14
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nitrogen is really nice shit but damn near no one has it, especially on track. and filling nitro and mixing with air will just cause some wierd shit

anyone ever use federal 595 RS-R? reviews?
i wanna know how they stack up as front tires
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Old 11-10-2011, 05:27 PM   #15
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^they are real nice. smoke a ton. henry schelley ran them in FD on the s13. ;D

I ran them for a while on my s14 in the front. grips really well.
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Old 11-10-2011, 09:17 PM   #16
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^they are real nice. smoke a ton. henry schelley ran them in FD on the s13. ;D

I ran them for a while on my s14 in the front. grips really well.
alright cool
thats what i heard on a bunch of other car forums

i was thinking ad08 up front but the rs-r are like 90$ cheaper

my only concern, a 215/40 feddy will stretch like a normal 225/40, right? never used those tires before
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Old 11-11-2011, 07:23 PM   #17
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Toe out in the rear is wack since it makes the care really sketch.

Toe in increases traction and stability. As of right now, I run no toe in rear.
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Old 11-12-2011, 01:37 AM   #18
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0* toe in rear is pretty much ideal

toe in also does some wierd shit to traction. people on this level of driving wont notice, or need, the difference anyways
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Old 11-12-2011, 10:06 PM   #19
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Love that video of the 240 at Ebisu. That's the guy from roadsterdrift, forget his name. I've always been a fan of drifting like that. For me, smooth, precise drifts with smooth driving > super aggressive driving where the driver is flailing around, even with backwards entries and whatnot. Smoothness does it more for me. (that's what she said) That's why I've always liked watching driving videos of Taniguchi, and that's the kind of drifter I strive to me.

EDIT: Shit, I'm a page behind. But yeah.
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Old 11-13-2011, 03:28 PM   #20
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Love that video of the 240 at Ebisu. That's the guy from roadsterdrift, forget his name. I've always been a fan of drifting like that. For me, smooth, precise drifts with smooth driving > super aggressive driving where the driver is flailing around, even with backwards entries and whatnot. Smoothness does it more for me. (that's what she said) That's why I've always liked watching driving videos of Taniguchi, and that's the kind of drifter I strive to me.

EDIT: Shit, I'm a page behind. But yeah.


smooth driving has more to do with the car setup. I used to flail around like my cabin was full of bees but since this past year I have had a good suspension setup and its sooo different.


I let the car steer itself allot more now, with stock caster its really hard to do that.
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Old 11-13-2011, 05:34 PM   #21
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smooth driving has more to do with the car setup. I used to flail around like my cabin was full of bees but since this past year I have had a good suspension setup and its sooo different.


I let the car steer itself allot more now, with stock caster its really hard to do that.
It has a bit to do with the setup, but I would definitely not say "more" to do with setup. The driver is far more critical in driving smoothly. If that was the case there would be a lot more smooth drivers out there, but there aren't. I mean there's always the decent driver who does a good job of predicting what the car will do and so he isn't trying to force the car into something, but if you watch videos of Taniguchi driving, he might as well be chilling on a couch while driving, he looks like he's hardly doing anything while nailing every entrance, apex and exit.


Interior shots starts at 3 min. Particularly the handbrake entry at 3:25.


http://www.youtube.com/watch?v=noLEvKs8P00
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Old 11-13-2011, 05:09 PM   #22
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That's the guy from roadsterdrift, forget his name.
Rob

word sux
do you have tubs? I wanna run more caster but it'll put my damn tires into the wells. i gotta hammer it more, but i still barely gain room
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Old 11-14-2011, 11:11 PM   #23
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Rob

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do you have tubs? I wanna run more caster but it'll put my damn tires into the wells. i gotta hammer it more, but i still barely gain room



for next season I will, I only have 7.3 caster and I still scrub the shit out of the wells.


alignment is all about trial and error





going up to 7.5 soon then 7.8 then maybe a full 8 if it still feels good
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Old 11-15-2011, 09:43 PM   #24
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for next season I will, I only have 7.3 caster and I still scrub the shit out of the wells.
ah ok
thanks man

yeah gotta look at my alignment sheet, i forgot what i have but i know i would like some more
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Old 11-13-2011, 03:26 PM   #25
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toe in, in the rear helps with traction and for drifting helps allot with the forward bite. I will be bumping up the rear toe from 0 to -.5 in the rear for next year. (oem spec is -1/16th of a degree in the rear)



for a low hp car i would not bother but if you are going north of 300whp I would suggest adding some - rear toe, you will love it..
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Old 11-13-2011, 06:31 PM   #26
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what are those stick cameras they use? I see them on ALL the old option videos
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Old 11-13-2011, 10:38 PM   #27
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what are those stick cameras they use? I see them on ALL the old option videos
Had to do some digging, since I remembered those cameras from some videos that Alexi from Noriyaro posted on his blog a long ass time ago. Still don't know what it's called, but I believe it's the cameras shown in the beginning of this video. Excuse the sound.

http://www.youtube.com/watch?v=MO0DDefcACo

Then again it doesn't film quite the same either. I dunno then.

EDIT: Yeah, that's entirely different, I thought the tube part was just part of the mount or something.
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Old 11-14-2011, 03:26 PM   #28
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handbrake with no clutch?!?!!

HOW?
if you watch what he's doing he slows the rear down and slows the front down more, which will cause him to oversteer cause weight transfer

@ Perfect Balance
yeah thats like a contourHD

the ones they have are wierd, but good
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Old 11-14-2011, 03:48 PM   #29
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if you watch what he's doing he slows the rear down and slows the front down more, which will cause him to oversteer cause weight transfer

@ Perfect Balance
yeah thats like a contourHD

the ones they have are wierd, but good
and if that didn't explain it enough, you watch him hit the brakes....pivots the front enough to let the rear lose a little traction, and when he turns in, it looks like he's just trying to slow down the rear rather than lock it up. Almost like he's only trying to brake on the rear tires.

In my head...all that does is bring his line in (for a front apex)
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Old 11-14-2011, 11:37 PM   #30
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Originally Posted by fckillerbee View Post
and if that didn't explain it enough, you watch him hit the brakes....pivots the front enough to let the rear lose a little traction, and when he turns in, it looks like he's just trying to slow down the rear rather than lock it up. Almost like he's only trying to brake on the rear tires.

In my head...all that does is bring his line in (for a front apex)
Which is what he's doing, going for a front apex. Interesting, might wanna give that a try next time.
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