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

Spencer Strayer · 07-11-2011, 06:55 PM

Lets just say this is going to be a 2.0 N/A boxer motor. With that being said how high do you guys believe this thing will redline at?

madfast · 07-11-2011, 07:14 PM

realistically, 7000...
hopefully around 7500...

but cheap cars have cheap engines. the engine in all likelihood wont be a rev monster. with DI added, and if the long stroke seen on the FB20 is any indication, my guess is that they want more torque. high rev low displacement 4 cylinders usually have peaky power. nobody wants that. both the S2000 and now Civic Si went with a displacement increase to deal with that. what i personally want is a flat tq curve.

NESW20 · 07-11-2011, 07:30 PM

over 9000

Spencer Strayer · 07-11-2011, 07:33 PM

Quote:

Originally Posted by NESW20

over 9000

yeah maybe with some formula atlantic steel cranks xD

WingsofWar · 07-11-2011, 07:59 PM

bigbcraig · 07-11-2011, 09:23 PM

Quote:

Originally Posted by Spencer Strayer

Lets just say this is going to be a 2.0 N/A boxer motor. With that being said how high do you guys believe this thing will redline at?

Well, to reference another lightweight, 2.0 N/A car that doesn't focus on power but is performance-oriented:

But they started out at 6700 iirc and were recently bumped up to 7200.
(O/T) Also, it has an oil pressure gauge! How great is that?!

82mm 4g63 · 07-11-2011, 10:13 PM

82mm 4g63 · 07-11-2011, 10:13 PM

I hope its at least 7500

1660 · 07-11-2011, 11:49 PM

7500. The heads are suppose to be designed by Yamaha.

bigbcraig · 07-12-2011, 10:36 AM

^Unfortunately, unless you have a source, that's entirely rumor for now.

I'd honestly be happy with a wider torque band and less expensive motor, I don't see a good reason for it to be any more than 7000.

High revs are nice, but at the end of the day it adds cost and I'd rather it be strong from 3-7k than 4.5-8k haha.

Mr.Jay · 07-12-2011, 01:50 PM

Quote:

Originally Posted by bigbcraig

^Unfortunately, unless you have a source, that's entirely rumor for now.

I'd honestly be happy with a wider torque band and less expensive motor, I don't see a good reason for it to be any more than 7000.

High revs are nice, but at the end of the day it adds cost and I'd rather it be strong from 3-7k than 4.5-8k haha.

its been confirmed that Yamaha will have a hand in the head design. (I mean its not a toyota sports car without them)

http://www.automotiveheadlines.com/t...amaha-944.html

here a quick link but look around and you can find mentions of Yamaha in almost every bit of info that mentions the engine

RRnold · 07-12-2011, 01:55 PM

I'm going to predict an 8K redline but power peaks out at 7,600.

Dragawn · 07-12-2011, 02:20 PM

sorry to dissappoint u guys but... look at this spy pic of the FT86's interior, you can see the 7K mark on the rev counter...in red

tranzformer · 07-12-2011, 04:00 PM

Quote:

Originally Posted by Dragawn

sorry to dissappoint u guys but... look at this spy pic of the FT86's interior, you can see the 7K mark on the rev counter...in red

Could be true, however we aren't sure if that is the production gauges.

07-11-2011, 07:14 PM	#2
madfast Senior Member Join Date: May 2011 Drives: 2010 Evo X MR-T Location: NY Posts: 942 Thanks: 0 Thanked 21 Times in 11 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	realistically, 7000... hopefully around 7500... but cheap cars have cheap engines. the engine in all likelihood wont be a rev monster. with DI added, and if the long stroke seen on the FB20 is any indication, my guess is that they want more torque. high rev low displacement 4 cylinders usually have peaky power. nobody wants that. both the S2000 and now Civic Si went with a displacement increase to deal with that. what i personally want is a flat tq curve. Last edited by madfast; 07-11-2011 at 07:30 PM.

07-11-2011, 07:30 PM	#3
NESW20 2.1L 3SGTE Join Date: Oct 2009 Drives: MR2 Turbo & Tacoma Location: Columbus, IN Posts: 1,248 Thanks: 29 Thanked 24 Times in 22 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	over 9000 __________________ 1991 MR2 Turbo - 2.1L high compression stroker 3SGTE 2006 Tacoma 4x4 TRD Off Road - All-Pro front bumper, Old Man Emu shocks, Old Man Emu HD front coils, All-Pro leafs 1990 240SX Coupe - sold 2008 Civic Si Sedan

07-11-2011, 07:59 PM	#5
WingsofWar MODERATOR-SAMA Join Date: Oct 2009 Drives: Swagtron Scooter Location: Seattle Posts: 2,685 Thanks: 345 Thanked 1,562 Times in 524 Posts Mentioned: 81 Post(s) Tagged: 0 Thread(s)	__________________

07-12-2011, 01:55 PM	#12
RRnold 2 wheel member Join Date: Feb 2010 Drives: JZA80, 997.1, Taco Location: SoCal->NorCal Posts: 4,330 Thanks: 1,318 Thanked 938 Times in 480 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	I'm going to predict an 8K redline but power peaks out at 7,600. __________________

07-11-2011, 10:13 PM	#7
82mm 4g63 4G63 & Rotary Join Date: Jun 2011 Drives: 92TalonAWD, 93RX7, 11F150EcoBoost Location: Florida Posts: 627 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)

07-11-2011, 11:49 PM	#9
1660 On the Rise Join Date: Oct 2009 Drives: Toyota Location: Anaheim Posts: 289 Thanks: 0 Thanked 1 Time in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	7500. The heads are suppose to be designed by Yamaha.

07-12-2011, 10:36 AM	#10
bigbcraig Senior Member Join Date: Apr 2010 Drives: 2013 BRZ / 2015 WRX Location: Augusta, GA Posts: 232 Thanks: 2 Thanked 6 Times in 5 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	^Unfortunately, unless you have a source, that's entirely rumor for now. I'd honestly be happy with a wider torque band and less expensive motor, I don't see a good reason for it to be any more than 7000. High revs are nice, but at the end of the day it adds cost and I'd rather it be strong from 3-7k than 4.5-8k haha.

07-12-2011, 02:20 PM	#13
Dragawn Junior Member Join Date: Jul 2011 Drives: none Location: Belgium Posts: 10 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	sorry to dissappoint u guys but... look at this spy pic of the FT86's interior, you can see the 7K mark on the rev counter...in red

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