I've got the power...now what ?

[ElSpa]

So, after a long time everything is good and running, all parts are in place and nothing seemed to broke for 2 months ).
But the problem does not evade me even though I didn't wanted to accept it in the first place...

I have a 302 stroker, ported heads, turbo cams, 76mm turbo, RST bidisc clutch. The car is putting down around 600 rwhp on a Mustang dyno, so around 650+ on a Dynojet, at 14 psi.

On the rear axle a I have both upper and rear arms, carbon diff discs, all urethane bushes, 3.30" gears, and changed a number of semi or full slicks on 10.5J 18" wheels.
My street setup is only at 7 psi (the lowest I can get on my wastegate spring).

The problem is the car pretty worthless on the street since the tyres will brake loose even in 3rd gear even at half pedal...I cannot race anyone not to say that cornering is a nightmare...

What else can I do to improve traction on the street ?
I tried both full slick and semi slicks, nothing really works, unless they get pretty hot.

 

[fdjizm]

You have a 600whp car, what did you think would happen? lol

 

[ayabrego]

Cruise the car on the street. Save it for the track.

-Aaron

 

[TexasBlownV8]

First of all, congrats on getting it all set up! Yes, you've been working on getting it that way for awhile, from your many posts. Good to see it all come together!

...but, with all that power, not much you can do about traction if the tires wont hookup.
I have similar issues, with less power. Portions of the pedal-position range are useless on the street, and even dangerous since it's easy to break loose and potentially loose control.

 

[stang7300]

Wish I was in this "dilemma".

 

[blue streak]

Makes two of us^^ My stock 235 perellis hooked pretty well as long as it was warm outside. I could do 40mph rolls and made 425whp and 470wtq with n2o. Do you have relo brackets? Weather they would help on your set-up, i donno. But I was very impressed with them on my car.

 

[GerRod]

Drop a pair of 305 or 315 DRs on it and hope for the best!

 

[blue streak]

noooo..... sidewall is your friend. 15in racestars and the new hoosier drag radials are the shiz.. 325/50/15

 

[Wicked GT]

I would be happy to trade you motors... mine is only in the mid 400's for HP. That should alleviate your traction problem. Then I can be the one figuring out how to make it hook...

 

[AbdullaGT500]

This is tech?

 

[BruceH]

So, after a long time everything is good and running, all parts are in place and nothing seemed to broke for 2 months ).
But the problem does not evade me even though I didn't wanted to accept it in the first place...

I have a 302 stroker, ported heads, turbo cams, 76mm turbo, RST bidisc clutch. The car is putting down around 600 rwhp on a Mustang dyno, so around 650+ on a Dynojet, at 14 psi.

On the rear axle a I have both upper and rear arms, carbon diff discs, all urethane bushes, 3.30" gears, and changed a number of semi or full slicks on 10.5J 18" wheels.
My street setup is only at 7 psi (the lowest I can get on my wastegate spring).

The problem is the car pretty worthless on the street since the tyres will brake loose even in 3rd gear even at half pedal...I cannot race anyone not to say that cornering is a nightmare...

What else can I do to improve traction on the street ?
I tried both full slick and semi slicks, nothing really works, unless they get pretty hot.

I have empathy for your dillema. I was in a similar situation a few months ago. All you can do is take it real easy all the time. Maybe a low timing street tune will help.

BTW my solution was somewhat radical. I went from 599rwhp to 337 but the car is alot more fun in normal driving.

 

[Towelly]

You still have several steps that you can take. I assume you have a Electronic Boost Controller? You can adjust the waste gate settings to come on very soft and use it as a form of traction control on the street. You may even be able to run higher peak boost if you feed it in soft and slow. Run as the tallest widest tire you can on the street. I know you probably don't want it to look silly, but you be the judge. Only other thing I can think of is a street only tune dailed for low boost and timing like already suggested by BruceH.

 

[Mach1Marauder]

So, after a long time everything is good and running, all parts are in place and nothing seemed to broke for 2 months ).
But the problem does not evade me even though I didn't wanted to accept it in the first place...

I have a 302 stroker, ported heads, turbo cams, 76mm turbo, RST bidisc clutch. The car is putting down around 600 rwhp on a Mustang dyno, so around 650+ on a Dynojet, at 14 psi.

On the rear axle a I have both upper and rear arms, carbon diff discs, all urethane bushes, 3.30" gears, and changed a number of semi or full slicks on 10.5J 18" wheels.
My street setup is only at 7 psi (the lowest I can get on my wastegate spring).

The problem is the car pretty worthless on the street since the tyres will brake loose even in 3rd gear even at half pedal...I cannot race anyone not to say that cornering is a nightmare...

What else can I do to improve traction on the street ?
I tried both full slick and semi slicks, nothing really works, unless they get pretty hot.

You didn't say what arms you had, adjustable or non-adjustable nor if he car was lowered. All VERY important.

 

[LuckyH]

You could always run a throttle stop on the street.

 

[Turbostangs90]

You need to get the suspension set up next. Have the instant center, pinion angle, and anti squat setup by a professional. I didnt see where you had anything about adjustable rear control arms....but you will need these. Coil overs on the rear also.

Dude you can make a 600hp car hook on the street....its all in the suspension.

 

[Mach1Marauder]

You didn't say what arms you had, adjustable or non-adjustable nor if he car was lowered. All VERY important.

You need to get the suspension set up next. Have the instant center, pinion angle, and anti squat setup by a professional. I didnt see where you had anything about adjustable rear control arms....but you will need these. Coil overs on the rear also.

Dude you can make a 600hp car hook on the street....its all in the suspension.

YUP!
This car hooks on the street!

611 pump 723 race fuel

 

[twisted_GT500]

Wider tires and better suspension.

I'm running a conservative tune right now and still putting 650+ rwhp down. I never have traction problems unless I'm actually trying to spin. I run 305/35/18 Nitto 555r's and have full suspension: adjustable UCA, non-adj LCAs, lowering springs, adjustable coil overs....the works.

 

[Corpo]

Torque arm would help.

 

[Mach1Marauder]

Torque arm would help.

not needed

 

[ElSpa]

Ok guys, thanks for the input.

I have adjustable UCA, non-adjustable LCAs, Eibach lowering springs, relocation brackets, pinion angle done by me .

Sorry for my poor english but what is anti squat ?

Also what rear coilovers options do I have ?