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1st gear wheelspin?

 
Old 10-31-2007, 12:21 PM
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Default 1st gear wheelspin?

Quick question for you greddy guys out there with 200+ whp. Do you guys break your tires lose in 1st? My car doesnt lose traction at all (which is fine with me) but just curious. I have rt-615 azenis in 195's on stock 14" daisies.
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Old 10-31-2007, 12:28 PM
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Yeah, and I would spin in 2nd if I punched it at 4K RPM at least until last week when I blew it up. I am on 195/50-15 Toyo T1-S. I suspect after I get the 1.8 in and the new setup, I will have to get more rubber out back.
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Old 10-31-2007, 12:30 PM
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only if i dump the clutch, or completely forget how to launch.
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Old 10-31-2007, 12:33 PM
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scott I was just referring to off a roll or something not off a launch. My car will not even make the slightest noise of wheelspin very interesting
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Old 10-31-2007, 12:37 PM
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my Azenis never make any noise
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Old 10-31-2007, 12:54 PM
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then only if i downshift hard. i never break traction unless doing u-turns
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Old 10-31-2007, 01:22 PM
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I would lose traction with 205/15/50 Azenis 615 in 1st and 2nd gear (rarely in 3rd if it was a bit cold out) if I went to WOT while moving (not from a stop) near the sweet spot rpm ~4500.
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Old 10-31-2007, 01:54 PM
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not sure, if this counts, but i definitely broke my 195/14 RS-2's loose the other day messing with my MBC and going out for a test run. throttle pinned in second gear from 1.5k to see how it pulled, and where the boost ended up.

just before 4k i hit 10psi and the rear tires disconnected from the road... seems consistent with what brg is saying.
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Old 10-31-2007, 02:31 PM
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Rarely does first spin, only if the tires are cold, thats with 205/50/15 rt615's(which never make even a a squeek) and lsd. also only on 7psi on a 1.8
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Old 10-31-2007, 02:33 PM
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My car will definitely unhook 1st gear, even with 225/45s out back. That's on the 8psi setting. At 15psi, 2nd gear depends on pavement surface, air temperature, and whether or not I'm going uphill or not.
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Old 10-31-2007, 03:08 PM
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first gear is a writeoff. even stock with a clutch dump or not. the torque multiplier is just too great.

with 250 rwhp i break 2nd loose all the time with a roll-on start. the old freeway merge is a killer.

the other day it was cold out and I think I caught some 3rd gear roll-on scratch but I can't be sure.
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Old 10-31-2007, 04:00 PM
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240+rwhp with the 1.8/3.90 torsen/5 speed/205 T1R's I do not break the tires loose in first unless I delibrately try to.

Older setup, same thing but GT2560R on the 1.6, I did.

It has more to do with how smooth the power delivery is. The 1.6 was very peaky where the 1.8 setup was very linear.
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Old 10-31-2007, 04:07 PM
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With 14 inch pilots and 8psi, my car spins through first and into second. I love it on the street, hate it at the strip.
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Old 10-31-2007, 05:03 PM
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2nd Gear on 6 Speed + 4.3 Rear Ratio + 205/50/15 T1R's + 305 whp = NO Wheelspin Whatsover on Roll On...and that was with an open differential.
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Old 10-31-2007, 07:26 PM
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not a greddy but racing some integra the other night my tires break loose in 1st, 2nd, and 3rd and i never launch hard. if i cruise in 1st or 2nd and mash the peddle around 4000 rpm the tires break loose too. i'm running 215/45/15 t1r's and they never squeel, they just leave stripes. i also run a 3.90 rear with 5 speed trans so my gearing is even taller than stock. 225/50/15's just arrived yesterday so maybe that'll help even with the new twin turbo setup
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Old 10-31-2007, 07:28 PM
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Yup, first and second are "smoke show" gears when/if called upon. I haven't datalloged anything yet with my 4.10's, but I'm assuming that it just makes the boost hit sooner.
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Old 10-31-2007, 07:30 PM
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if its cold out itll spin both azenis in 2nd gear roll on.
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Old 10-31-2007, 08:00 PM
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yeah temperature has a lot to do it, first I can never hammer down, second when it's hot out only gets a little squirmy, but in the cold it will spin when the boost hits hard. I still have the stock suspension so i suspect people with stiffer setups might have worse straight line wheel spin.
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Old 10-31-2007, 09:16 PM
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Originally Posted by mikef85 View Post
2nd Gear on 6 Speed + 4.3 Rear Ratio + 205/50/15 T1R's + 305 whp = NO Wheelspin Whatsover on Roll On...and that was with an open differential.
Bullshit.
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Originally Posted by codrus View Post
Basically I've come over to the camp of "If something is a reliability problem on the track, just ask Andrew and do what he says".
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Old 10-31-2007, 09:25 PM
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Originally Posted by Savington View Post
Bullshit.
You call BS on what you think you know...you don't.
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