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-   -   VDC off I almost crashed!! (http://www.the370z.com/engine-drivetrain/128159-vdc-off-i-almost-crashed.html)

redondoaveb 09-01-2018 06:34 PM

Quote:

Originally Posted by Hotrodz (Post 3782796)
Yep spring pressure I am about that 480 whp and 425 tq. At 14 psi I am 610 whp and 559 tq.

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What weight spring and what size wastegate do you have?

Hotrodz 09-02-2018 11:09 AM

Quote:

Originally Posted by redondoaveb (Post 3782798)
What weight spring and what size wastegate do you have?

I think it is a 7 or 8 lb.

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jwick 09-02-2018 11:55 AM

Quote:

Originally Posted by Hotrodz (Post 3782888)
I think it is a 7 or 8 lb.

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If FI kits come with Tial then I’d guess you have the 1/2bar spring in them. That’s what I’m running.

Hotrodz 09-02-2018 11:57 AM

Quote:

Originally Posted by jwick (Post 3782897)
If FI kits come with Tial then I’d guess you have the 1/2bar spring in them. That’s what I’m running.

Yup, the same.

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shadow85 09-02-2018 06:54 PM

1st and 2nd is still pretty scary.

It snaked a bit before straightening up the other day when I was coming out of a corner hard.

My GF shat her pants. But I told her I am learning the new car.

6mt370 09-03-2018 04:54 AM

Quote:

Originally Posted by FPenvy (Post 3780982)
fixes for this issue:

a. throttle control
b. more time learning the cars power....gradually.
c. wider tires
d. stickier tires

C. is about the last thing you should care about. Z people need to stop chasing the widest tire they can fit and focus more about how sticky the tire is. A 255mm drag radial will be a hell of a lot better than a 305mm Pilot sport.

6mt370 09-03-2018 05:02 AM

You need to learn throttle control. When you feel the car spinning gently reduce throttle until it gains traction. Never fully take your foot of the gas, pretty much the worst thing you can do.

shadow85 09-03-2018 06:32 AM

Quote:

Originally Posted by 6mt370 (Post 3782989)
Never fully take your foot of the gas, pretty much the worst thing you can do.

Can you elaborate on this? No else mentioned this in the thread, why is this so important?

Rusty 09-03-2018 07:48 AM

Quote:

Originally Posted by shadow85 (Post 3782991)
Can you elaborate on this? No else mentioned this in the thread, why is this so important?

It's called back pedaling. When you feel the rear coming loose. You lift a little on the gas pedal. Not all the way off. Until the rear reagains traction. Then you start pressing down again. If you lift all the way off. There is a good chance that the rear will whip around the other way. Causing brown stains in your underwear.

SouthArk370Z 09-03-2018 10:44 AM

Quote:

Originally Posted by shadow85 (Post 3782991)
Can you elaborate on this? No else mentioned this in the thread, why is this so important?

When you let off the gas, you change the loading of the suspension (load moves forward, similar to as if you had hit the brakes). You're already in a precarious position and a sudden change in handling can make things (much) worse. Probably other variables involved.

shadow85 09-03-2018 05:15 PM

Quote:

Originally Posted by SouthArk370Z (Post 3783038)
When you let off the gas, you change the loading of the suspension (load moves forward, similar to as if you had hit the brakes). You're already in a precarious position and a sudden change in handling can make things (much) worse. Probably other variables involved.

OK fair enough. This happend the other day when I took a hard exit out of a corner, the car started snaking a bit and instead of fully letting go of the acc. pedal like I normally would when I freak out, I only slightly lifted the pedal put still kept some throttle on and it made the car straighten out in a more controllable fashion.

But god damm, it is so easy to lose traction on this setup, I wish it was more predictable lol

Spooler 09-03-2018 07:41 PM

Quote:

Originally Posted by shadow85 (Post 3783091)
OK fair enough. This happend the other day when I took a hard exit out of a corner, the car started snaking a bit and instead of fully letting go of the acc. pedal like I normally would when I freak out, I only slightly lifted the pedal put still kept some throttle on and it made the car straighten out in a more controllable fashion.

But god damm, it is so easy to lose traction on this setup, I wish it was more predictable lol

It's a turbo car with some HP/TQ. They are very rewarding when driven properly. You just have to practice. It's not easy to learn but when you get it you will appreciate other folks skill even more.

shadow85 09-03-2018 08:59 PM

Quote:

Originally Posted by Spooler (Post 3783114)
It's a turbo car with some HP/TQ. They are very rewarding when driven properly. You just have to practice. It's not easy to learn but when you get it you will appreciate other folks skill even more.

Im prolly gonna need a good few laps at the track to learn the new power/tq.

PharmDZ 09-03-2018 09:17 PM

Quote:

Originally Posted by 6mt370 (Post 3782988)
C. is about the last thing you should care about. Z people need to stop chasing the widest tire they can fit and focus more about how sticky the tire is. A 255mm drag radial will be a hell of a lot better than a 305mm Pilot sport.

THIS! Stop worshiping those damn pilot super sports. They're really not THAT good, just okay. Look at the Toyo R888R or Nitto NT01 if you want something that holds traction better in dry weather and still can handle well. Hell, even the Bridgestone RE-71R is fantastic and still keeps 200 treadwear (okay, barely, and just on paper). Drag radials if you're that desperate for traction, but don't expect them to handle turns all too well. Compound > tire size

Rusty 09-03-2018 09:35 PM

Quote:

Originally Posted by PharmDZ (Post 3783129)
THIS! Stop worshiping those damn pilot super sports. They're really not THAT good, just okay. Look at the Toyo R888R or Nitto NT01 if you want something that holds traction better in dry weather and still can handle well. Hell, even the Bridgestone RE-71R is fantastic and still keeps 200 treadwear (okay, barely, and just on paper). Drag radials if you're that desperate for traction, but don't expect them to handle turns all too well. Compound > tire size

PSS are a lot better on the street for every day driving then drag radials. Like you said. They don't handle turns too well. This will get him killed. R Comp tires NEED heat in them to work properly. You would have to drive at least at 80% level to keep some heat in them. All you are doing is heat cycling the tire too much on the street. Too much cycling and the tires become hard. R Comp tires don't work well in the rain either.


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