How much HP can the stock motor handle? - Page 3 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

gtengr · 11-10-2017, 04:25 PM

Quote:

Originally Posted by 86 South Africa

Turbo/boost/torque coming in slower I get.
Not using power in 4th or higher makes no sense to me at all...

You rev the engine to say 6k with 14psi in 3rd, but won’t do that in 4th... why?

I think he was including 4th, and referring more to building boost at low RPM in 5th and 6th, which is indeed a terrible idea.

COO86L · 11-10-2017, 08:53 PM

Quote:

Originally Posted by 86 South Africa

Turbo/boost/torque coming in slower I get.
Not using power in 4th or higher makes no sense to me at all...

You rev the engine to say 6k with 14psi in 3rd, but won’t do that in 4th... why?

Let me rephrase. I don’t load the shit out of the engine with high boost in the higher gears. For example cruising in 5th on highway, I won’t just plant it and put large load on the engine.

And sorry I meant beyond 4th, so 5th and 6th.

Brzxton · 11-15-2017, 01:57 AM

Im making 320 whp with a jrsc and a flex fuel kit with new injectors and fuel pump. I daily drive it and have never taken it to a track, but it has been boosted for 15k miles and still has had no issues. Getting catless headers and a catless front pipe soon and will be getting dyno tuned at delicious. I have a jrsc HBP, but im not sure if i want to put it on because i would most likely make 400+ whp and really dont have the funds to blow up my engine and have to rebuild it. Yet again, i think TJ Hunt has stock internals and is making 420 whp. Decisions, decisions

BRZ_Willy · 11-15-2017, 01:36 PM

TJ Hunt has forged internals on his BRZ. His 420HP is on a heartbreaker so I'd be careful comparing his car. Not saying it is a unicorn, but he has put some funds into it to make sure it doesn't grenade.

NRXRaptor · 11-16-2017, 01:55 AM

Quote:

Originally Posted by BRZ_Willy

TJ Hunt has forged internals on his BRZ. His 420HP is on a heartbreaker so I'd be careful comparing his car. Not saying it is a unicorn, but he has put some funds into it to make sure it doesn't grenade.

What is a heartbreaker in this context? I already know women can shatter a man's heart ha ha HA HA HA

Spawn_Of_Creation · 11-16-2017, 02:12 AM

Quote:

Originally Posted by celek

I think the current record is 693 HP

But how reliable is it for day to day use?

weederr33 · 11-16-2017, 02:22 AM

Quote:

Originally Posted by Spawn_Of_Creation

But how reliable is it for day to day use?

It's not

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11-15-2017, 01:57 AM	#31
Brzxton Senior Member Join Date: Sep 2017 Drives: 2015 Subaru Brz Location: Ventura California Posts: 102 Thanks: 16 Thanked 8 Times in 6 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Im making 320 whp with a jrsc and a flex fuel kit with new injectors and fuel pump. I daily drive it and have never taken it to a track, but it has been boosted for 15k miles and still has had no issues. Getting catless headers and a catless front pipe soon and will be getting dyno tuned at delicious. I have a jrsc HBP, but im not sure if i want to put it on because i would most likely make 400+ whp and really dont have the funds to blow up my engine and have to rebuild it. Yet again, i think TJ Hunt has stock internals and is making 420 whp. Decisions, decisions

11-15-2017, 01:36 PM	#32
BRZ_Willy Member Join Date: Jan 2017 Drives: 2016 WRB Subaru BRZ Location: Pinellas, FL Posts: 18 Thanks: 11 Thanked 10 Times in 7 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	TJ Hunt has forged internals on his BRZ. His 420HP is on a heartbreaker so I'd be careful comparing his car. Not saying it is a unicorn, but he has put some funds into it to make sure it doesn't grenade.

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