"EVO" magazine,,,GT3 mk I vs II.....
03-07-2004, 12:28 PM
#16
Rennlist Member
Originally posted by brh986
I vaguely understand the terminology in alignment (i.e. toe in/out, camber, etc.) but I have no idea what one would want to do with those things on a car to make it handle properly (with the exception of negative camber being good for track).
So the GT3 has too much front toe out from the factory? I heard that sometimes toe out on the front is a quick fix to make the car track straight. Is that true?
I vaguely understand the terminology in alignment (i.e. toe in/out, camber, etc.) but I have no idea what one would want to do with those things on a car to make it handle properly (with the exception of negative camber being good for track).
So the GT3 has too much front toe out from the factory? I heard that sometimes toe out on the front is a quick fix to make the car track straight. Is that true?
03-07-2004, 12:42 PM
#17
Burning Brakes
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Yea I'm sure I got it mixed up.
I'm confused though, correct me if I am wrong.
The NEW GT3 comes from the factory with too much toe out.
Toe out makes the car turn in quicker.
Toe out makes the car "twitchy"
The only gripe the mags have with the new GT3 vs the old is that it is "twichty" and it doesn't turn in as quickly.
How can you fix both their complaints via the alignment? If you give it more toe out it will turn in faster but become "twitchier" and if you give it less toe out the twichyness goes away but it doesn't turn in as quickly..
I'm confused though, correct me if I am wrong.
The NEW GT3 comes from the factory with too much toe out.
Toe out makes the car turn in quicker.
Toe out makes the car "twitchy"
The only gripe the mags have with the new GT3 vs the old is that it is "twichty" and it doesn't turn in as quickly.
How can you fix both their complaints via the alignment? If you give it more toe out it will turn in faster but become "twitchier" and if you give it less toe out the twichyness goes away but it doesn't turn in as quickly..
03-07-2004, 02:32 PM
#20
Three Wheelin'
Having toe out on the front will make the car wonder at speed & under braking, staight up toe, 0 toe, not in or out is a good compromise. You can adjust the sway bars to change the balance from under to oversteer.
What also can make the car twitchy is to much or not enough toe in on the back of the car, the more toe you have in back the more power you can lay down on exit, 1/32 to 1/16 for street/track, 1/8+ toe in for a track/street set up. If you have any toe out in the rear it will become undrivable, basically it will not track straight, you never want to have this.
Camber for a good street/track set up would be 1.7 to 2.0 , this will balance the wear on the tires for street driving and track driving, on the street you will wear out the insides of the tires with to much camber, it will happen very quickly.
What also can make the car twitchy is to much or not enough toe in on the back of the car, the more toe you have in back the more power you can lay down on exit, 1/32 to 1/16 for street/track, 1/8+ toe in for a track/street set up. If you have any toe out in the rear it will become undrivable, basically it will not track straight, you never want to have this.
Camber for a good street/track set up would be 1.7 to 2.0 , this will balance the wear on the tires for street driving and track driving, on the street you will wear out the insides of the tires with to much camber, it will happen very quickly.
03-07-2004, 02:40 PM
#21
Rennlist Member
brh - not to be rude but try search...this topic has been hashed and re-hased over and over again with many people but the correct answers haven't changed...
03-08-2004, 02:19 AM
#22
TRB0 GUY
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rear toe out on a 911?!?! ...I haven't even driven one yet and I'm getting chills just thinking of that combination.
Did somebody say "accident waiting to happen?"
If the magazine testers claim that it's both twitchy, yet unresponsive to turn-in (comparatively, of course)... then it sounds like the back toe is out and/or the front is to far in, not aligned, or has excessive tire pressure. But unless they say whether it's the front or back that is twitchy, I guess we'll never know.
Sorry if I'm rehashing old news, I'm new to the GT2/GT3 forum (I lust after your cars, fyi).
Did somebody say "accident waiting to happen?"
If the magazine testers claim that it's both twitchy, yet unresponsive to turn-in (comparatively, of course)... then it sounds like the back toe is out and/or the front is to far in, not aligned, or has excessive tire pressure. But unless they say whether it's the front or back that is twitchy, I guess we'll never know.
Sorry if I'm rehashing old news, I'm new to the GT2/GT3 forum (I lust after your cars, fyi).
03-12-2004, 12:09 AM
#24
Instructor
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I disagree with the tester's opinion on soundtrack. I've owned both and IMHO, the Mk2 has a significantly better soundtrack. Both have similar induction howls >6,000rpm - its just that you get to enjoy it a bit longer in the Mk2 with 400 more rpm to the redline. The Mk2's stock exhaust note also sounds better from mid range onwards.
