Ptuning turbo 458whp update Stock engine - Page 3 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Calum · 02-10-2015, 06:38 PM

Quote:

Originally Posted by anajri

Alf

That graph showing the power falling on it's face despite the boost and air:fuel staying constant tells a pretty telling story about this motors heads from the factory...

anajri · 02-11-2015, 08:35 AM

well as you can see the boost also fallt a bit close to red line but yes i believe the head could benefit alot from cams and a port

yomny · 02-11-2015, 09:27 AM

Very nice... in for the bang but hoping it doesn't. Good to see the motor holds like a champ. Curios about the no oil cooler having any negative effects.

sw20kosh · 02-11-2015, 12:07 PM

Quote:

Originally Posted by yomny

Very nice... in for the bang but hoping it doesn't. Good to see the motor holds like a champ. Curios about the no oil cooler having any negative effects. Maybe since the Ptuning uses that little oil scavenging pump the oil being heated isn't the engine's.

The turbo is fed engine oil. The oil scavenging pump takes hot oil from the turbo and sends it back to the engine.

yomny · 02-11-2015, 12:37 PM

Quote:

Originally Posted by sw20kosh

The turbo is fed engine oil. The oil scavenging pump takes hot oil from the turbo and sends it back to the engine.

I feel dumb, i thought it was like one of those self contained oil systems.. the pump just drains it due to its mounting location. Thanks

02-11-2015, 09:27 AM	#31
yomny Senior Member Join Date: Jul 2012 Drives: 2013 FRS Whiteout Location: MIA Posts: 1,545 Thanks: 557 Thanked 469 Times in 340 Posts Mentioned: 33 Post(s) Tagged: 5 Thread(s)	Very nice... in for the bang but hoping it doesn't. Good to see the motor holds like a champ. Curios about the no oil cooler having any negative effects. __________________ GTX2867R, moto-tuned , tomei op , motiv fp , Invidia Q300 ti , Rota titan 17x9 +42 , nt555 255/40 , ST coilovers w/cascam , Hotchkis sways Last edited by yomny; 02-11-2015 at 12:38 PM.

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02-11-2015, 08:35 AM	#30
anajri Member Join Date: Feb 2013 Drives: GT86 Location: santo domingo Posts: 63 Thanks: 0 Thanked 16 Times in 7 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	well as you can see the boost also fallt a bit close to red line but yes i believe the head could benefit alot from cams and a port

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