FA20CLUB Turbo Kit 10 PSI Preliminary Testing - Page 11 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

lexusb3 · 07-13-2013, 04:47 PM

Quote:

Originally Posted by Mrpolarbear

Hows the fuel economy with that sort of setup?

This was taken this week just riding normal on the highway at about 12-14 vacuum and on E85 before someone rips this picture this is what the car says. I'm not doing any calculation for the "TRUE" mpg lol because I really don't care to much about gas. I wouldn't have tried to achieve high power levels if I did lol

Shit Luck · 07-13-2013, 06:50 PM

a bov should open and close, not flutter. this is common when people run too stiff of a spring in the valve. it can cause some weird issues at idle and damage a turbo...
i have seen this a bunch as i owned a starion and the cool thing to do was crush the top a dsm valve to run more boost. very bad mojo.

FA20Club.com · 07-13-2013, 09:13 PM

on the dsm metal bov you crush it so you dont have it open under boost. same thing has been done on evos for years.

Shit Luck · 07-13-2013, 09:23 PM

its just like running a stiffer spring... atleast thats the idea behind it.
causes problem just like too stiff of a spring if done wrong.

King Tut · 07-15-2013, 12:19 PM

The fact is that Tial specs their BOV springs for how much vacuum you pull at idle. Subaru engines and the FA20 are capable of pulling as much as -22 in/hg at idle. That means that Tial specs an 11 or 12 psi spring to keep the BOV closed at idle since it is fairly close to the MAF. I trust Tial.

SnapOv3st3r · 07-15-2013, 12:30 PM

Quote:

Originally Posted by FAER

Still 337whp/255wtq is record setting for 93 octane alone... This is what i'm aiming for... I am increasingly more pleased with my choice to go with FA20club

Not to cause any negativity, but that is not the 93 record. I forget what the numbers were on 93 alone, but it's a little over 400whp with 93 and meth.

FA20Club.com · 07-15-2013, 12:51 PM

Quote:

Originally Posted by SnapOv3st3r

Not to cause any negativity, but that is not the 93 record. I forget what the numbers were on 93 alone, but it's a little over 400whp with 93 and meth.

then thats not 93 octane now is it since you mentioned meth used meth. its like me comparing a record for a turbo only vs another with the same turbo with nitrous now would it

FA20Club.com · 07-15-2013, 12:52 PM

Quote:

Originally Posted by King Tut

The fact is that Tial specs their BOV springs for how much vacuum you pull at idle. Subaru engines and the FA20 are capable of pulling as much as -22 in/hg at idle. That means that Tial specs an 11 or 12 psi spring to keep the BOV closed at idle since it is fairly close to the MAF. I trust Tial.

thats why we ship all our kits with 11 psi springs.

SnapOv3st3r · 07-15-2013, 12:59 PM

Quote:

Originally Posted by FA20Club.com

then thats not 93 octane now is it since you mentioned meth used meth. its like me comparing a record for a turbo only vs another with the same turbo with nitrous now would it

I mentioned I didn't remember the 93 only numbers, but if I recall it's not the record still. If it is, then congrats at having a higher number.

I'm at work, so I can't see any pics (dyno plots) to check.

No need to be snippy though....

King Tut · 07-15-2013, 02:56 PM

Quote:

Originally Posted by FA20Club.com

then thats not 93 octane now is it since you mentioned meth used meth. its like me comparing a record for a turbo only vs another with the same turbo with nitrous now would it

That might be the 93 octane only record, but I still love my torque curve better.

1slowbrz · 07-16-2013, 01:13 AM

What oil are you guys using? I'm getting ready to install my kit and haven't had a clear answer on what my best option is to replace the junk from the factory.

lexusb3 · 07-16-2013, 01:17 AM

Quote:

Originally Posted by 1slowbrz

What oil are you guys using? I'm getting ready to install my kit and haven't had a clear answer on what my best option is to replace the junk from the factory.

im using 10-30

1slowbrz · 07-16-2013, 01:30 AM

Any particular brand? I know I was told 10-30 but Mobil 1 wasn't the best option?

lexusb3 · 07-16-2013, 01:43 AM

Quote:

Originally Posted by 1slowbrz

Any particular brand? I know I was told 10-30 but Mobil 1 wasn't the best option?

I use Mobil with all my cars for years np for me

07-15-2013, 12:19 PM	#145
King Tut NASA SpecE30 Racer Join Date: May 2012 Drives: 2006 Honda S2000 Location: Gulf Breeze, FL Posts: 7,279 Thanks: 607 Thanked 5,759 Times in 3,055 Posts Mentioned: 274 Post(s) Tagged: 10 Thread(s)	The fact is that Tial specs their BOV springs for how much vacuum you pull at idle. Subaru engines and the FA20 are capable of pulling as much as -22 in/hg at idle. That means that Tial specs an 11 or 12 psi spring to keep the BOV closed at idle since it is fairly close to the MAF. I trust Tial. __________________ - King Tut Street/Track Car: 2006 Honda S2000 TT3 \|\| Race Car: 1987 BMW 325is SpecE30 \|\| Tow Vehicle: 2014 RAM 1500 EcoDiesel Sold Cars: 2012 BMW M3 \|\| 2013 Subaru BRZ \|\| 2012 Porsche Cayman R \|\| 2009 Chevrolet Z06 \|\| 2009 BMW M3 \|\| 2004 BMW M3 \|\| 2004 Nissan 350Z

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07-13-2013, 06:50 PM	#142
Shit Luck Senior Member Join Date: Oct 2012 Drives: red frs Location: pa Posts: 1,031 Thanks: 244 Thanked 229 Times in 140 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	a bov should open and close, not flutter. this is common when people run too stiff of a spring in the valve. it can cause some weird issues at idle and damage a turbo... i have seen this a bunch as i owned a starion and the cool thing to do was crush the top a dsm valve to run more boost. very bad mojo.

07-13-2013, 09:13 PM	#143
FA20Club.com Banned Join Date: Aug 2012 Drives: 2013 White Out FR-S Location: Florida Posts: 1,335 Thanks: 24 Thanked 1,162 Times in 501 Posts Mentioned: 323 Post(s) Tagged: 2 Thread(s)	on the dsm metal bov you crush it so you dont have it open under boost. same thing has been done on evos for years.

07-13-2013, 09:23 PM	#144
Shit Luck Senior Member Join Date: Oct 2012 Drives: red frs Location: pa Posts: 1,031 Thanks: 244 Thanked 229 Times in 140 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	its just like running a stiffer spring... atleast thats the idea behind it. causes problem just like too stiff of a spring if done wrong.

07-16-2013, 01:13 AM	#151
1slowbrz Member Join Date: Apr 2013 Drives: 2017 WRB BRZ PP Location: Green Bay Posts: 85 Thanks: 21 Thanked 30 Times in 20 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	What oil are you guys using? I'm getting ready to install my kit and haven't had a clear answer on what my best option is to replace the junk from the factory.

07-16-2013, 01:30 AM	#153
1slowbrz Member Join Date: Apr 2013 Drives: 2017 WRB BRZ PP Location: Green Bay Posts: 85 Thanks: 21 Thanked 30 Times in 20 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Any particular brand? I know I was told 10-30 but Mobil 1 wasn't the best option?

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