Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB
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Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Tracking / Autocross / HPDE / Drifting (https://www.ft86club.com/forums/forumdisplay.php?f=39)
-   -   How fast is the GT86 on track? (https://www.ft86club.com/forums/showthread.php?t=70905)

CSG Mike 08-02-2014 05:00 PM
Quote:
Originally Posted by LoCo (Post 1878661)
How can anyone say "depressing" when you're told about costs...

NA power costs money. More money than anything. And reliability is poor when pushing limits - RPM kills engines slowly, even when working correctly.

What @CSG Mike said about building - pistons rods bearongs crank valve springs and cams: that's BASIC. It's nothing special. It's a starting point for a real engine... There's oh so much more where you are able to spend money to gain that 1,2 or 3hp... But in the end - if you're the breed of person that loves NA - it's all worth it. All of it. I've sat in a 270hp NA S2k... Fuck yes!

So I'm looking forward to NA tuners developing something useful, if not - I'll probably start designing some cams sooner or later.
All that takes is cams and a tune... but the motor is a ticking time bomb. We're talking low double digit race hours. It'll make 285 if you delete the cat too.

A 2.4 stroker F2xC will be good for ~50 hours and make ~300hp, but now you're looking at a 30k engine build.

On the other hand, a solid 25% of my motor's 130k+ in my s2k has been over 6000 RPMs.

Griever423 08-05-2014 05:13 PM
Quote:
Originally Posted by CSG Mike (Post 1871549)
If you want fast for cheap, the C5Z is the way to go. I can guarantee that you'll be using the power as a crutch though.

How many videos have you seen where the vette driver won't go WOT until they're pointed straight *after* the corner? How many of these drivers smoothly transition from partial to full throttle?

These are skills that you most likely will not learn in a vette.
I learned how to drive in a 5.0 Mustang. You can learn with big power, long as you have good instructors and can listen.

troek 08-05-2014 05:22 PM
Stock power?(referring to mikes s2000)

CSG Mike 08-05-2014 08:27 PM
Quote:
Originally Posted by troek (Post 1883511)
Stock power?(referring to mikes s2000)
Hrm?

CSG Mike 08-05-2014 08:29 PM
Quote:
Originally Posted by Griever423 (Post 1883495)
I learned how to drive in a 5.0 Mustang. You can learn with big power, long as you have good instructors and can listen.
You realize your foxbody made... 205hp, assuming it was a later model...

troek 08-05-2014 11:14 PM
Sorry, referring to you saying u put 130k on ur s2k motor. Id love to see that kind of longevity on the fa20 with a slight tune.

CSG Mike 08-05-2014 11:23 PM
Quote:
Originally Posted by troek (Post 1884181)
Sorry, referring to you saying u put 130k on ur s2k motor. Id love to see that kind of longevity on the fa20 with a slight tune.
It's had various tunes over the years, but I'm back to stock + test pipe at the moment.

I played with higher redlines, but the engine showed exponentially higher wear at anything more than 100 rpm higher than stock. What really hurts is that the F22C continues to make more power as you increase redline, whereas the FA20 doesn't, making me want to run a higher redline....

troek 08-05-2014 11:54 PM
Yeah, my r32 made more power the higher you went, it was addicting lol. Do you run you fa20 on stock tune?

gramicci101 08-06-2014 12:02 AM
Quote:
Originally Posted by CSG Mike (Post 1884193)
I played with higher redlines, but the engine showed exponentially higher wear at anything more than 100 rpm higher than stock.
Short of tearing it apart for inspection, or at least borescoping the block, how can you tell?

CSG Mike 08-06-2014 12:14 AM
Quote:
Originally Posted by gramicci101 (Post 1884255)
Short of tearing it apart for inspection, or at least borescoping the block, how can you tell?
Used oil analysis had higher iron wear, which in the S2000, is the cylinder sidewall. Makes sense; this is where the most stress is at high RPMs.

CSG Mike 08-06-2014 12:15 AM
Quote:
Originally Posted by troek (Post 1884243)
Yeah, my r32 made more power the higher you went, it was addicting lol. Do you run you fa20 on stock tune?
We're boosted with the Jackson Racing supercharger.

troek 08-06-2014 12:28 AM
Quote:
Originally Posted by CSG Mike (Post 1884272)
We're boosted with the Jackson Racing supercharger.
:eyebulge: jealous

Griever423 08-06-2014 03:20 PM
Quote:
Originally Posted by CSG Mike (Post 1883865)
You realize your foxbody made... 205hp, assuming it was a later model...
New 5.0. Sorry, should have clarified.

CSG Mike 08-06-2014 04:37 PM
Quote:
Originally Posted by Griever423 (Post 1885275)
New 5.0. Sorry, should have clarified.
The new 5.0 is a really forgiving platform... you can do all sorts of stupid stuff with the power and recover. The Mustang's wheelbase is long, giving it a large moment of yaw inertia, so it's much easier to recover than one of the twins. Also, you have enough power available to just spin both rear tires if needed, whereas the twins can't really do that.


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