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)
-   Northern California (https://www.ft86club.com/forums/forumdisplay.php?f=82)
-   -   Throttle Response (https://www.ft86club.com/forums/showthread.php?t=35456)

MyRx 05-03-2013 02:38 PM

Learn to brake with the left, keep the right on the throttle. The latency is the issue and perhaps for safety reason(s). Learn when the throttle responds and it should go away. Took me a while to learn it but no complaints now. You maybe driving a lot more with the clutch than the gas, obviously they cancel each other out.

PMok 05-03-2013 02:40 PM

Quote:

Originally Posted by CamryDS (Post 909129)
Umm, search has been done -- too bad this forum as a shitty algorithm in finding searchs and cannot tell the difference between mat and mats. But yeah, I search and if I don't find an immediate answer and if the search is not intelligent enough to do partial matches or even a contain search then i'll post. if you would prefer, I might as well stay silent and troll around. Thanks!

/derailed

Don't take it personally, it was more of a general statement not necessarily directed to you.
I think you meant lurk, not troll. Lurking is ok, trolling not so much. :lol:

but no I don't want you to stay silent, by all means participate. Ask questions, share info, come to our meets and drives. Thank you for attempting to search. :)

CamryDS 05-03-2013 02:43 PM

Quote:

Originally Posted by PMok (Post 909340)
Don't take it personally, it was more of a general statement not necessarily directed to you.
I think you meant lurk, not troll. Lurking is ok, trolling not so much. :lol:

but no I don't want you to stay silent, by all means participate. Ask questions, share info, come to our meets and drives. Thank you for attempting to search. :)

No, I meant trolling -- I don't like to use it in the way that pop culture stole from 4chan.

trolling present participle of troll (Verb)

Verb
  • Search for something.
I'm not a forum noob, I know when to post and when not to. If forum owners fix the search I'd be more than happy to work with it -- too bad it fails in so many ways.

jwcdis 05-03-2013 02:43 PM

yeah, don't want to lose those mini-races against other cars at those stoplights XD

Mines been pretty responsive so far, then again only have about 750 miles on it.

PMok 05-03-2013 02:44 PM

Quote:

Originally Posted by CamryDS (Post 909129)
Umm, search has been done -- too bad this forum as a shitty algorithm in finding searchs and cannot tell the difference between mat and mats. But yeah, I search and if I don't find an immediate answer and if the search is not intelligent enough to do partial matches or even a contain search then i'll post. if you would prefer, I might as well stay silent and troll around. Thanks!

/derailed

Quote:

Originally Posted by MyRx (Post 909333)
Learn to brake with the left, keep the right on the throttle. The latency is the issue and perhaps for safety reason(s). Learn when the throttle responds and it should go away. Took me a while to learn it but no complaints now. You maybe driving a lot more with the clutch than the gas, obviously they cancel each other out.

interestingly I was reading through the track/autox/HPDE forum last night and it seems this car doesn't like left foot braking... people complain of getting into "Ice Mode" where ABS/TRAC gets confused and refuses to do anything at the worst possible time. Regardless of whether you have the nannies on, off, or complete pedal dance off. At least from the limited reading I did the problem seems to come up most for people who autox and LFB.

CamryDS 05-03-2013 02:47 PM

Quote:

Originally Posted by MyRx (Post 909333)
Learn to brake with the left, keep the right on the throttle. The latency is the issue and perhaps for safety reason(s). Learn when the throttle responds and it should go away. Took me a while to learn it but no complaints now. You maybe driving a lot more with the clutch than the gas, obviously they cancel each other out.

I don't ride the clutch unless i'm on 1st, obviously. Though that's not a bad point. I'm going to drive around during lunch and see if I can adjust to it more. It's just a bit frustrating this morning stalling on this car.

Norkoastal 05-03-2013 03:11 PM

I honestly think that the mapping tables are the issue.. We need a version for cold starts, normal temp, and AC On.. The only solutions I can think of are throttle adlustment (height), an electronic throttle controller, and a remapped ECU with new tables.

BlaineWasHere 05-03-2013 03:37 PM

Just so we're clear, every time someone asks a technical question in the NorCal I'm gonna e-slap you.

More people in the correct technical section means better answers anyway.

The fact of the matter is there is no throttle cable and it'll never be perfect.

/thread.

SC David 05-03-2013 04:00 PM

I don't see it as an issue for 90% of the driving I do, but the lag is noticeable and quite annoying when doing repeated hill starts, or when coming down in the gears quickly and trying to rev-match each one. The throttle just doesn't keep up, and once you get in a delayed pattern, it just goes haywire and you have to give it a couple of seconds to catch up with your intended movements.

Glad the NorCal 86's have better throttles than the rest of the world though.

JackSmiley 05-03-2013 04:25 PM

:popcorn:

Spartan65 05-03-2013 04:36 PM

I noticed when I connected the car to Torque and also on tech stream the DBW setting from the factory is anywhere between 13% and 26% when idling. So with no pressure on the pedal is wrong. With the car off and monitoring the pedal at WOT it measures between 80% and 91%. I was thinking about trying one of these AVO DBW throttle controllers.

DBW Throttle Controller

Norkoastal 05-03-2013 05:33 PM

Quote:

Originally Posted by Spartan65 (Post 909611)
I noticed when I connected the car to Torque and also on tech stream the DBW setting from the factory is anywhere between 13% and 26% when idling. So with no pressure on the pedal is wrong. With the car off and monitoring the pedal at WOT it measures between 80% and 91%. I was thinking about trying one of these AVO DBW throttle controllers.

DBW Throttle Controller

They are OK I guess.. I honestly feel like when you start using a controller you have to re-learn engagement points and all that.. Driving 7/10ths you don't need a controller, only stop n go, and areas where precise slower throttle control is needed (uphill parking, stop n go, punchy street driving, hill sections, etc). :burnrubber:

J.R. FR-S 08-28-2013 07:28 PM

i noticed the same lag in my throttle response and ordered the weapon r i throttle controller and it works well. very easy to install, looks good and the best part is i can set my throttle to be very punchy and no lag! i will post pics when i get a chance.:D

BaBaFlyingSheep 03-31-2015 03:35 AM

Drive-by-wire Throttle Delay
 
Quote:

Originally Posted by J.R. FR-S (Post 1174267)
i noticed the same lag in my throttle response and ordered the weapon r i throttle controller and it works well. very easy to install, looks good and the best part is i can set my throttle to be very punchy and no lag! i will post pics when i get a chance.:D

Did this ever get resolved with a quicker throttle controller?

I also notice the delay when I left off the gas. Maybe because this is the first non-cable throttle bottle I've driven, but usually when I'm shifting, the spring closes the throttle pretty quickly.

I had to compensate by pausing a fraction of a second after I left off the gas to get on the clutch.


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