|
Scion FR-S / Toyota 86 GT86 General Forum The place to start for the Scion FR-S / Toyota 86 | GT86 |
|
Thread Tools | Search this Thread |
01-31-2012, 10:48 PM | #295 |
ZC6A2B82KC7J
Join Date: May 2011
Drives: 2002 WRX
Location: Providence, RI
Posts: 1,632
Thanks: 361
Thanked 727 Times in 236 Posts
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
|
There are a few places in my town where there are turns with steep uphills right after where I will do WOT through third gear. There is also a cloverleaf on ramp on my way to work where the highway you are entering is usually pretty empty so I will do 3-4-5 runs there sometimes. Other than that there really aren't any places I can WOT without it being stupidly dangerous, and that's with only 250hp. If I had a more powerful car I would still drive it fast in the same spots, but it would just be over a lot faster. I have a lot more fun driving fast on twisty roads where I can plant myself into the sides of my seat instead of the back and not worry about having an off at 100mph.
|
02-01-2012, 08:28 AM | #296 | ||
Pro Subie Engine Nerd
Join Date: Dec 2011
Drives: BRZ has a reserved space
Location: 3MI Racing LLC
Posts: 261
Thanks: 0
Thanked 1 Time in 1 Post
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
|
Quote:
"it will never have enough power until I can spin the wheels at the end of the straightaway in high gear." -Mark Donohue As his response to the Porsche engineers asking if the 917-30's had enough power...which they made between 1100-1500bhp... Opinions are like an ass, everyone has one Quote:
I also find it funny at the guys talking about handling turned handling into a straight line stability situation I wouldn't consider this a problem until you actually have enough power to cause serious weight transfer at speed...i.e. breaking all 4 tires free when grabbing 4th gear at 110+...then again perhaps I'm someone who loves the corners but equally likes trying to tame a wild beast from one corner to the next. As for the F1 excuse for power being because they make large downforce and so they make power to overcome the drag...yes, they make massive drag, however if they made that power to simply overcome downforce, why wouldn't they be running full downforce all the time? OH YEAH, because at some tracks, outright acceleration = faster lap times over 'handling' in the corners. It's racing, not a for fun HPDE. ^^^Give the dumbed down version without making an example and working out all the long hand numbers and lap simulation... Now back to a road car, since that's ultimately what we're talking about, I think it'll still be slow for passing or for full throttle late apexing of interstate entrance ramps...but it'll be a lot of fun before that Last edited by Homemade WRX; 02-01-2012 at 05:56 PM. |
||
02-01-2012, 09:08 AM | #297 |
i'm sorry, what?
Join Date: Jan 2012
Drives: Canada
Location: I rock a beat harder than you can beat it with rocks
Posts: 4,399
Thanks: 357
Thanked 2,506 Times in 1,268 Posts
Mentioned: 40 Post(s)
Tagged: 3 Thread(s)
|
Brabham BT46B
__________________
don't you think if I was wrong, I'd know it?
|
02-01-2012, 12:36 PM | #298 | |
Banned
Join Date: Jan 2012
Drives: Attitude
Location: MD
Posts: 10,046
Thanks: 884
Thanked 4,889 Times in 2,902 Posts
Mentioned: 123 Post(s)
Tagged: 4 Thread(s)
|
Quote:
I don't recall saying WOT = straight line, but you better believe I WOT straight line everyday (up to the posted speed limit). |
|
02-01-2012, 02:22 PM | #299 | |
Auto-Xer
Join Date: Dec 2011
Drives: 2004 Acura RSX Type-S
Location: Behind me, behind you
Posts: 67
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
Quote:
Learn to heel-toe at proper intervals and you'll never have that problem. I can go through entire HPDE sessions with late apexes, 3 gear downshift braking zones, etc without leaving the VTEC window on my RSX-S because I've learned the car's shift timing, so I'm never at a loss for the fat part of the powerband. I think this car should feel about the same. |
|
02-01-2012, 05:56 PM | #300 | |
Pro Subie Engine Nerd
Join Date: Dec 2011
Drives: BRZ has a reserved space
Location: 3MI Racing LLC
Posts: 261
Thanks: 0
Thanked 1 Time in 1 Post
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
|
Quote:
As for the post I made, ignore the 'off' as I was originally typing off-ramp and started re-editing. Now what does staying in the powerband have to do with the powerband not being a tall as I'd want? You aren't the only track guy here |
|
02-01-2012, 07:07 PM | #301 | |
Senior Member
Join Date: Dec 2011
Drives: honda civic si 08
Location: Raleigh, NC
Posts: 176
Thanks: 1
Thanked 28 Times in 18 Posts
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
|
Quote:
|
|
03-26-2012, 05:22 AM | #302 | ||
Custom Car Enthusiast
Join Date: Mar 2010
Drives: 92 Toyota MR2 Turbo
Location: Oregon
Posts: 12
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
I know this thread is almost 2 months old, but there are a few things in it I wanted to correct.
Quote:
Also, as was stated, you certainly can buy a sports car and expect it to have good low rpm numbers. Plenty of Sports cars are tuned for low rpm power. Heck, the Toyota MR2 turbo is sports car with good low rpm power numbers. The turbo begins to spool very quickly, by 2500rpm you are building significant boost and by 3000rpm you've hit full boost. Also, it's an example of a sports car with good low rpm power number from the Toyota family. The FR-S was designed after the AE86, which was a high rpm NA car. The car was really designed in that image. It wasn't meant to be a sports car with down low numbers like Toyota's MR2 turbo was, it was designed to be a sports car with a smooth, high revving NA power band like the AE86 was. If it's anything like the other high revving NA cars. Quote:
In fact, considering Toyota and Subaru both produce motors which use these technologies, I was hoping they would implement them into the 86/FR-S/BR-Z. When Mitsubishi implemented their Mivec for the Evo starting with the Evo 9 and up, the powerband and output became much better. It's the same reason the Honda's respond to power and boost so well throughout the powerband. It allows them to optimize the engine tune throughout the powerband. An NA 2.0L motor is always going to have lower torque output, so they make up for it with a higher redline and higher RPM breathability. This is where high lift cams come in handy. Cam phasing and dual cam profiles help even further, since they allow good low rpm drivability while also allowing good high rpm breathability. Of course you can have higher peak torque than peak HP. As DMDZK pointed out, it just depends on where the peak numbers occur in the powerband. If horsepower peaks before 5252, the motor will have a higher peak torque output than peak horsepower number. If the horsepower peaks after 5252 rpms, the motor will have a higher peak horsepower number than peak torque number. If it occurs around 5252rpms, the output will be fairly sqaure (same peak HP and peak torque numbers). HP is just torque * rpm/5252, so which is higher (HP or torque) really just depends on WHERE in the powerband the peak HP occurs.
__________________
|
||
|
|
Thread Tools | Search this Thread |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Any publication strap this car on a dyno yet? | mspeed6 | Engine, Exhaust, Transmission | 69 | 02-02-2012 04:48 PM |
Autoguide gushes on Scion FR-S (w/ track drift video). Says destined to become icon. | ZetaVI | Scion FR-S / Toyota 86 GT86 General Forum | 111 | 12-16-2011 02:47 AM |
Dyno testing and "drivetrain loss" | serialk11r | Other Vehicles & General Automotive Discussions | 5 | 11-03-2011 08:55 AM |
Best drift ever | Matador | Off-Topic Lounge [WARNING: NO POLITICS] | 1 | 05-11-2010 01:48 PM |
ft-86 drift | trueno | Scion FR-S / Toyota 86 GT86 General Forum | 46 | 01-21-2010 04:39 AM |