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)
-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   Boosted Auto Trans Owners. (https://www.ft86club.com/forums/showthread.php?t=115371)

Lunatic 03-09-2017 11:21 AM
Quote:
Originally Posted by krr150 (Post 2868505)
Good to hear it's holding up, I'm really leaning towards the edelbrock s/c. eventually id probably chase 400whp & I know that the boost would be too high for a stock box and tranny
Could you tell me what is the boost psi on the base tune and torque & HP numbers? I don't want a rebuild right away I like to take it step by step for the experience and financial reasons too



Sent from my HUAWEI NXT-L29 using Tapatalk
9 psi boost

krr150 03-09-2017 11:37 AM
Quote:
Originally Posted by Lunatic (Post 2868593)
9 psi boost
Oh that sounds to be very safe. Thanks for the quick response bro😉

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Stimmed 03-10-2017 12:39 AM
Quote:
Originally Posted by krr150 (Post 2868505)
Good to hear it's holding up, I'm really leaning towards the edelbrock s/c. eventually id probably chase 400whp & I know that the boost would be too high for a stock box and tranny
Could you tell me what is the boost psi on the base tune and torque & HP numbers? I don't want a rebuild right away I like to take it step by step for the experience and financial reasons too



Sent from my HUAWEI NXT-L29 using Tapatalk
Im sitting at 400hp on quite a low reading dyno. And its having no issues.

And at 400hp it is just quite absurd to be quite honest! anything above half throttle in auto mode to get on it a bit from a roll and your spinning wheels.

In manual mode getting on it decently it just spins 1/2/3 if your really into it. Fun but a bit scary!.

Driving in auto mode is actually realllllly sketchy if you are rolling along and decide do lay into it. You will just go sideways. SC might be a bit diff to turbo in that respect though as its not a rush of boost all at one time.

tyler_win_photo 03-10-2017 01:15 AM
Quote:
Originally Posted by Lunatic (Post 2849465)
I am at 323 with edelbrock and e-85. Automatic tranny, lots of track days, and no problems at all. I always heard the automatic was actually stronger then the manual. I also run a tranny cooler and normally see 230 to 240 tranny temp on track.
How much torque are you putting down?

Lunatic 03-10-2017 02:13 AM
Quote:
Originally Posted by tyler_win_photo (Post 2869169)
How much torque are you putting down?
250 @ 5800 rpm.

krr150 03-10-2017 06:01 AM
Quote:
Originally Posted by Stimmed (Post 2869146)
Im sitting at 400hp on quite a low reading dyno. And its having no issues.

And at 400hp it is just quite absurd to be quite honest! anything above half throttle in auto mode to get on it a bit from a roll and your spinning wheels.

In manual mode getting on it decently it just spins 1/2/3 if your really into it. Fun but a bit scary!.

Driving in auto mode is actually realllllly sketchy if you are rolling along and decide do lay into it. You will just go sideways. SC might be a bit diff to turbo in that respect though as its not a rush of boost all at one time.
Wow😂 what tyres are you running

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Stimmed 03-10-2017 07:04 AM
Quote:
Originally Posted by krr150 (Post 2869278)
Wow😂 what tyres are you running

Sent from my HUAWEI NXT-L29 using Tapatalk
255/35/18 on 9.5.

Will try and go 265+ on rear next time I think.

tyler_win_photo 03-10-2017 08:08 AM
Quote:
Originally Posted by Stimmed (Post 2869289)
255/35/18 on 9.5.

Will try and go 265+ on rear next time I think.
I was thinking of that tire size next time around. Do you currently rub? I heard 265s will rub a little in the rear unless you shave back the tab on the bumper.

Stimmed 03-10-2017 09:04 AM
Quote:
Originally Posted by tyler_win_photo (Post 2869302)
I was thinking of that tire size next time around. Do you currently rub? I heard 265s will rub a little in the rear unless you shave back the tab on the bumper.
No rubbing yet. Have a few ppl over here running 265+ in the rear depends on offset I guess and how low you actually are?

Lunatic 03-10-2017 10:50 AM
Quote:
Originally Posted by Stimmed (Post 2869146)
Im sitting at 400hp on quite a low reading dyno. And its having no issues.

And at 400hp it is just quite absurd to be quite honest! anything above half throttle in auto mode to get on it a bit from a roll and your spinning wheels.

In manual mode getting on it decently it just spins 1/2/3 if your really into it. Fun but a bit scary!.

Driving in auto mode is actually realllllly sketchy if you are rolling along and decide do lay into it. You will just go sideways. SC might be a bit diff to turbo in that respect though as its not a rush of boost all at one time.
I'm close to you, at 323 and 255/40/17's 1st and 2nd are worthless. But boy is it fun once you hook up. I can't imagian what 400 would be like.

xsnapshot 03-10-2017 11:31 AM
How are you guys all handling the rev limiter with the increased power?

I'm asking because at least on my JRSC + HBP+ E85 car, I will hit the limiter before the trans is able to shift from 1st to 2nd in automatic mode.

Normally I'm in manual mode when I want to have fun and I shift it when needed to account for that.

Just wondering.

I also notice that there is a slight delay in the shift from 1st to 2nd and 2nd to 3rd when I'm full out. As in I click the paddle but I stay in gear still accelerating for a split second longer. The shift itself seems pretty quick once it starts.

Soloside 03-10-2017 11:47 AM
I have the same hanging issue.




When I'm shifting above 4k and on the throttle, the RPM dips like it's suppose to, but you're able to see a little waver at exactly 4k before it starts climbing in the RPMs again.




Quote:
Originally Posted by xsnapshot (Post 2869359)
How are you guys all handling the rev limiter with the increased power?

I'm asking because at least on my JRSC + HBP+ E85 car, I will hit the limiter before the trans is able to shift from 1st to 2nd in automatic mode.

Normally I'm in manual mode when I want to have fun and I shift it when needed to account for that.

Just wondering.

I also notice that there is a slight delay in the shift from 1st to 2nd and 2nd to 3rd when I'm full out. As in I click the paddle but I stay in gear still accelerating for a split second longer. The shift itself seems pretty quick once it starts.

liquidsky44 03-10-2017 01:45 PM
For me with 255lb of torque and it's slipping like crazy. Wheels no spinning but revs would climb and sometimes my fourth gear would disappear totally in manual mode. The revs would drop to idle and I would have to shift down to 3rd gear instead.

Soloside 03-10-2017 02:24 PM
Has anyone here experienced the P2757 CEL?


The light ONLY happens when I'm in 4th gear at more than half throttle.


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