Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB

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driver01 10-12-2012 11:16 PM

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OmarGC 10-12-2012 11:39 PM

When I think about FR-S, I don't think about drag racing... even after forced induction. But think of any other rwd car drag setup, and it won't be much different.

Miniata 10-13-2012 04:32 AM

Wider, stickier tires on wider wheels will be the best place to start. Look at tires like the Dunlop Star Spec, Yokohama AD08, Hankook RS3, and Bridgestone RE11.

RaceR 10-13-2012 09:47 AM

Learning throttle control will be the best "mod".

Otherwise the usual stuff with stickier tires, setting up a good suspension and adjusting wheel angles for you taste. That will take time to get optimized for your personal preference...

Please don't make it into a drag focused car! There are better cars out there for that..

The more hardcore you go in terms of quarter mile modifications the less good the car will be at cornering and basically everything..
Tuning a good car are mostly compromises. You add some to one place, and you loose some at another.. (speaking about chassis modification)

JoeBoxer 10-13-2012 10:01 AM

I would get the Whiteline Traction kit for sure to start if i was making a lot of hp.

CBR600RR 10-13-2012 10:06 AM

Wider tires/wheels usually means a heavier set up which would actually rob power, not put more down.

RWD-boxer 10-13-2012 11:01 AM

Quote:

Originally Posted by Miniata (Post 494472)
Wider, stickier tires on wider wheels will be the best place to start. Look at tires like the Dunlop Star Spec, Yokohama AD08, Hankook RS3, and Bridgestone RE11.

Handbook rs3 for sure

Miniata 10-13-2012 02:57 PM

Quote:

Originally Posted by CBR600RR (Post 494664)
Wider tires/wheels usually means a heavier set up which would actually rob power, not put more down.

Not necessarily. There are plenty of lightweight 17x8 and 17x9 wheels available that are 4-5 lbs lighter than stock, allowing you to go with a heavier wider stickier tire and keep the wheel/tire weight very close to what the stock combo weighs. Even if you gain a couple of pounds per corner, it would be worth it IMHO if you're putting a lot more power down.

Tansey86 10-13-2012 03:13 PM

A 2700lb car and rwd with an engine that loves boost. Perfect car for drag racing.

Tansey86 10-13-2012 03:13 PM

Quote:

Originally Posted by CBR600RR (Post 494664)
Wider tires/wheels usually means a heavier set up which would actually rob power, not put more down.

Not sure if this was serious?

low trq 10-13-2012 04:13 PM

Quote:

Originally Posted by Tansey86 (Post 495069)
A 2700lb car and rwd with an engine that loves boost. Perfect car for drag racing.

With this flawed line of thinking, a Lotus Elise would be perfect for a drag strip.

jimmillion 10-13-2012 04:43 PM

Quote:

Originally Posted by Tansey86 (Post 495069)
A 2700lb car and rwd with an engine that loves boost. Perfect car for drag racing.

I was under the impression that the high compression ratio meant that it was an engine that didn't like boast... NA4life!

Tansey86 10-13-2012 05:16 PM

Quote:

Originally Posted by low trq (Post 495123)
With this flawed line of thinking, a Lotus Elise would be perfect for a drag strip.

450 wheel and traps 130...yeah defiantly flawed.

Tansey86 10-13-2012 05:16 PM

Quote:

Originally Posted by jimmillion (Post 495146)
I was under the impression that the high compression ratio meant that it was an engine that didn't like boast... NA4life!

520 wheel with 20psi, seems to like it to me.

wparsons 10-13-2012 07:44 PM

Quote:

Originally Posted by Miniata (Post 495047)
Not necessarily. There are plenty of lightweight 17x8 and 17x9 wheels available that are 4-5 lbs lighter than stock, allowing you to go with a heavier wider stickier tire and keep the wheel/tire weight very close to what the stock combo weighs. Even if you gain a couple of pounds per corner, it would be worth it IMHO if you're putting a lot more power down.

RFP1's in 17x8 are about 4lbs lighter per wheel than stock, and won't break the bank either.

Miniata 10-13-2012 08:53 PM

Quote:

Originally Posted by wparsons (Post 495325)
RFP1's in 17x8 are about 4lbs lighter per wheel than stock, and won't break the bank either.

Yeah, that was one of the wheels I had in mind when I wrote that post. I've had three sets of RPF1s on various cars over the years, and I'm thinking about picking up another set for my BRZ.

Calum 10-14-2012 05:24 AM

Springs & dampers, and bushings tuned to prevent wheel hop can have a large effect on how much power you can put down. Tire compound and construction will have more effect then size.

wparsons 10-14-2012 07:59 AM

Quote:

Originally Posted by Miniata (Post 495447)
Yeah, that was one of the wheels I had in mind when I wrote that post. I've had three sets of RPF1s on various cars over the years, and I'm thinking about picking up another set for my BRZ.

OZ Allegrita's are also very light, but they're about $500/set more and I don't like them *that* much more.

TuxedoCartman 10-14-2012 08:20 AM

Quote:

Originally Posted by driver01 (Post 494108)
Now that our cars are increasing in power by all the engine bolt ons, turbo kits and superchargers. I was thinking what would be required to put this new found power to the ground and actually use it. what do you think will help? or what do you think should be done?

- Stickier tires
- wider tires
- stiffer rear subframe bushings
- stiffer differential bushings
- slight change in ride height to change weight distribution to rear
- increase squat under acceleration (maybe softer rear springs or stiffer front springs, or maybe not since understeer will increase)
- will sway bars have any effect on this?
- traction bars?
- alignment? maybe less camber on rear tires?(though it might loose some cornering speed)
- will stiffer engine mounts help?
- will stiffer transmisison mounts help?

One thing I noticed is missing from your list: big, goofy spoiler. :D

low trq 10-14-2012 08:57 AM

Quote:

Originally Posted by Tansey86 (Post 495168)
450 wheel and traps 130...yeah defiantly flawed.

How fast would a formula 1 car trap? I'm sure you can figure out my point :thumbsup:

Tansey86 10-14-2012 02:54 PM

Quote:

Originally Posted by low trq (Post 495969)
How fast would a formula 1 car trap? I'm sure you can figure out my point :thumbsup:

Alright man I understand your points, and they are completely valid. I also understand that people have different wants out their cars. The s2000 wasn't made for drag, but does amazing. This car will be used for mostly circuit, road course racing, not drag, but it cant be denied that its already proved to be a valid platform in that field.

We will all use this car for different reasons, and if it works it works :w00t: If we all did the same thing with our cars, it would get boring real quick.

Unleashed 10-14-2012 03:35 PM

Nitto NT555's are really sticky and should cost about 165 a piece, very affordable and will last a decent amount. I haven't broken mine loose yet and it corners even more amazingly. I've got way more cornering confidence, which you don't seem too worried about, but thought it was worth mentioning.

I've also got the Cusco powerbracing and that really stiffened the chassis up. Also look into whitelines bushings, specifically the tranny mount bushing. Takes some slop out of the tranny under acceleration which translates to better power delivery.

low trq 10-14-2012 04:34 PM

Quote:

Originally Posted by Tansey86 (Post 496287)
Alright man I understand your points, and they are completely valid. I also understand that people have different wants out their cars. The s2000 wasn't made for drag, but does amazing. This car will be used for mostly circuit, road course racing, not drag, but it cant be denied that its already proved to be a valid platform in that field.

We will all use this car for different reasons, and if it works it works :w00t: If we all did the same thing with our cars, it would get boring real quick.

I completely agree and I will go to the drag strip at some point (just for fun). It's funny you mention S2000, because thats the car I just sold to get the FR-S :)

Tansey86 10-14-2012 05:10 PM

Quote:

Originally Posted by low trq (Post 496402)
I completely agree and I will go to the drag strip at some point (just for fun). It's funny you mention S2000, because thats the car I just sold to get the FR-S :)

Haha nice, they are both great cars. Let us know how you do.


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