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

Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   Slow revving? Manual car. (https://www.ft86club.com/forums/showthread.php?t=10977)

SprayedBigCube 07-07-2012 08:01 PM

Slow revving? Manual car.
 
I don't know, but to me, my new FR-S seems to rev incredibly slow. Seems like it struggles to get thru 4000 rpm whether unloaded or loaded. Makes me want to do a LS motor swap like...soon...but all fantasy aside, I knew going into this it would be underpowered, but that AND slow to rev is a bit much.

With the electronic throttle in my LS3 Camaro, I can tune several parameters that help throttle response, and that heavy motor revs instantly, almost Honda-like compared to my Scion. Would something like the Cobb access port help the FR-S out?

Max Schnell 07-07-2012 08:34 PM

Lightweight flywheel will usually help with the slow reving thing. I don't know what the stock weight is but it may be something to look into as people change their stock clutches.

DIE1000DEATHS 07-07-2012 10:12 PM

Lightweight crank pulley.

Rurounimidnight 07-07-2012 10:20 PM

Im guessing once people start tuning the ECU it should lead to being able to make the throttle response better, Most factory cars limit the % that the throttle body can open even at wot.

serialk11r 07-07-2012 10:42 PM

Didn't Orido or someone comment that the flywheel felt heavy? (never touched one of these cars, maybe someone who owns one can comment)

arghx7 07-07-2012 11:57 PM

The flywheel is probably heavier than some people would prefer, but it's easier for dealerships to sell a car that takes off from a light smoothly with a low chance of stalling.

Coheed 07-08-2012 12:13 AM

More weight to get that clutch-kick to drift easily. ;P

SprayedBigCube 07-08-2012 12:23 AM

Sure, and it's been easy teaching the wife how to drive a manual for the first time in her life because of it. However, I think that heavy flywheel conspires with that midrange torque dip plus maybe a lazy throttle-by-wire control scheme resulting in poor engine acceleration...either that or there's a plastic bag stuck in the intake LOL!

civicdrivr 07-08-2012 12:35 AM

The stock flywheels is a hair over 20.5lbs (per Vivid Racing). It feels heavy to me, but Im used to a 12lb flywheel and a 1.2lb crank pulley in my other car.

Im sure the engine will liven up a bit with breathing mods, but the biggest difference will be the flywheel.

SprayedBigCube 07-08-2012 12:54 AM

Yeah, I'm not sure the wife will let me swap in a new clutch/flywheel in her new car LOL. I can't believe how heavy the OEM flywheel is. 20 lbs? I believe the ACT flywheel in my LS3 Camaro is a tick over 12 lbs. Hmmm...I need to work on a plan to convince the wife that her new car needs a new clutch so I can get a lighter flywheel in there ;)

civicdrivr 07-08-2012 12:59 AM

20lbs....heavy? :bellyroll:

The stock flywheel in my CL was 42lbs. No joke.

Coheed 07-08-2012 01:01 AM

Anyone know if this clutch/fly is dual mass or not?

civicdrivr 07-08-2012 02:33 AM

I dont believe it is - at least, it doesnt act like one.

Bonburner 07-08-2012 04:56 AM

Wow ..
So I wanna do ..
pulley, fly wheel, intake, exhaust, header, tune :]


All times are GMT -4. The time now is 07:05 AM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2026, vBulletin Solutions Inc.
User Alert System provided by Advanced User Tagging v3.3.0 (Lite) - vBulletin Mods & Addons Copyright © 2026 DragonByte Technologies Ltd.


Garage vBulletin Plugins by Drive Thru Online, Inc.