Combating blow by solution - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

D K · 06-21-2016, 05:45 PM

Hello

Is there a well known, documented solution to deal with blow by in a boosted car?

Draining 4-6 fl oz after every session isnt working for me anymore...

The Racers Line · 06-21-2016, 06:01 PM

Quote:

Originally Posted by D K

Hello

Is there a well known, documented solution to deal with blow by in a boosted car?

Draining 4-6 fl oz after every session isnt working for me anymore...

Vented catch cans

D K · 06-21-2016, 06:03 PM

Quote:

Originally Posted by The Racers Line

Vented catch cans

Have that now....

Blows by through the filter

mrk1 · 06-22-2016, 11:09 AM

Can you post more details on your setup, that seems like a lot of fluid

GsxrMe · 06-22-2016, 08:28 PM

What size hoses are you using? 1/2 or 3/8? If I recall the smaller the lines the more oil will make it up to the can.

AJPG · 06-24-2016, 09:31 AM

Quote:

Originally Posted by D K

Hello

Is there a well known, documented solution to deal with blow by in a boosted car?

Draining 4-6 fl oz after every session isnt working for me anymore...

Soooo, it was working and out of the blue it start with the blow by oil, or it start that way from day one?

toast · 06-24-2016, 11:39 AM

Will the Crawford AOS work on your FI setup? I had one on my 08 STI and it worked so well I never had any oil loss between changes, eventually I stopped even checking. One winter I decided to take it off because of the gunk buildup I would have to clean out during freezing weather - apparently I had a decent amount of blowby oil loss that it was saving because oil ran low and I spun a bearing.

DAEMANO · 06-24-2016, 01:15 PM

Quote:

Originally Posted by D K

Hello

Is there a well known, documented solution to deal with blow by in a boosted car?

Draining 4-6 fl oz after every session isnt working for me anymore...

4-6 ozs suggests that you have a problem. The amount of blowby youre getting should be a trickle not a pour.

AJPG · 06-25-2016, 08:09 AM

Quote:

Originally Posted by D K

Hello

Is there a well known, documented solution to deal with blow by in a boosted car?

Draining 4-6 fl oz after every session isnt working for me anymore...

Cr test?

D K · 06-25-2016, 06:21 PM

Im considering that option.
Doing some research...

Quote:

Originally Posted by toast

Will the Crawford AOS work on your FI setup? I had one on my 08 STI and it worked so well I never had any oil loss between changes, eventually I stopped even checking. One winter I decided to take it off because of the gunk buildup I would have to clean out during freezing weather - apparently I had a decent amount of blowby oil loss that it was saving because oil ran low and I spun a bearing.

Irace86 · 06-25-2016, 06:55 PM

Should it matter how much boost or how much lateral g's someone is consistently putting the engine through?

AJPG · 06-27-2016, 01:47 PM

Quote:

Originally Posted by D K

Hello

Is there a well known, documented solution to deal with blow by in a boosted car?

Draining 4-6 fl oz after every session isnt working for me anymore...

Do you use an oilcooler prior to or concurrently with the FI?

AJPG · 06-27-2016, 02:02 PM

Quote:

Originally Posted by D K

Hello

Is there a well known, documented solution to deal with blow by in a boosted car?

Draining 4-6 fl oz after every session isnt working for me anymore...

http://www.certechgels.com/

GsxrMe · 06-27-2016, 09:10 PM

I think the blow by were talking about is gas making it passed the piston and blowing out the pcv or crank case. Not oil making it passed the piston into the combustion chamber.

06-21-2016, 05:45 PM	#1
D K Stig's dark passenger Join Date: Dec 2013 Drives: FR-S Location: I work abroad Posts: 724 Thanks: 60 Thanked 316 Times in 186 Posts Mentioned: 20 Post(s) Tagged: 1 Thread(s)	Combating blow by solution Hello Is there a well known, documented solution to deal with blow by in a boosted car? Draining 4-6 fl oz after every session isnt working for me anymore...

06-22-2016, 11:09 AM	#4
mrk1 Senior Member Join Date: Mar 2013 Drives: Sterling BRZ Ltd Location: New England Posts: 1,702 Thanks: 403 Thanked 1,389 Times in 671 Posts Mentioned: 21 Post(s) Tagged: 2 Thread(s)	Can you post more details on your setup, that seems like a lot of fluid __________________ The Build Thread GT28RS - eBoost2 - 3.91 Final Drive - Supra LSD

06-22-2016, 08:28 PM	#5
GsxrMe Senior Member Join Date: Jul 2015 Drives: Late 2014 Subaru BRZ Location: Cape Coral, FL Posts: 557 Thanks: 20 Thanked 184 Times in 139 Posts Mentioned: 5 Post(s) Tagged: 2 Thread(s)	What size hoses are you using? 1/2 or 3/8? If I recall the smaller the lines the more oil will make it up to the can. __________________ 2014 Subaru BRZ FBM Turbokit: GTX3076R - ECUTEK HRI FlexFuel tune - FBM 3" Turboback Exhaust - 550cc Injectors - Walbro 485 Fuel Pump - 4bar Map Sensor - FBM Oil Pan - ACT SB7-XTSS - AMSOIL all fluids - Forester XT Oil Cooler - Cusco engine, trans mounts - Whiteline rear differential bushings - Perrin shifter bushing - Firehawk 235/45/17 - AEM Failsafe

06-27-2016, 09:10 PM	#14
GsxrMe Senior Member Join Date: Jul 2015 Drives: Late 2014 Subaru BRZ Location: Cape Coral, FL Posts: 557 Thanks: 20 Thanked 184 Times in 139 Posts Mentioned: 5 Post(s) Tagged: 2 Thread(s)	I think the blow by were talking about is gas making it passed the piston and blowing out the pcv or crank case. Not oil making it passed the piston into the combustion chamber. __________________ 2014 Subaru BRZ FBM Turbokit: GTX3076R - ECUTEK HRI FlexFuel tune - FBM 3" Turboback Exhaust - 550cc Injectors - Walbro 485 Fuel Pump - 4bar Map Sensor - FBM Oil Pan - ACT SB7-XTSS - AMSOIL all fluids - Forester XT Oil Cooler - Cusco engine, trans mounts - Whiteline rear differential bushings - Perrin shifter bushing - Firehawk 235/45/17 - AEM Failsafe

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06-24-2016, 11:39 AM	#7
toast Senior Member Join Date: Jul 2014 Drives: 14 BSP Edelbrock BRZ Location: Lon Gisland Posts: 806 Thanks: 113 Thanked 452 Times in 257 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	Will the Crawford AOS work on your FI setup? I had one on my 08 STI and it worked so well I never had any oil loss between changes, eventually I stopped even checking. One winter I decided to take it off because of the gunk buildup I would have to clean out during freezing weather - apparently I had a decent amount of blowby oil loss that it was saving because oil ran low and I spun a bearing.

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