Flow bench tested heads? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

celek · 11-09-2015, 06:53 PM

Has anyone bench tested these heads?
I need numbers, fixes.... INFO!!!

Or do I have to find someone to test mine.
Where to go?

Freeman · 11-09-2015, 06:58 PM

I think fullblown tested some... Hazy memory says it was 255cfm and when they ported then it was 305cfm?

It's in the description to their stage 2 head package.

http://fullblownmotorsports.com/full...2-head-package

swarb · 11-09-2015, 07:00 PM

People who have done this rarely share the info as they are usually shops that paid money for the r&d.

You can search google for places to test in your area.

celek · 11-09-2015, 07:05 PM

Quote:

Originally Posted by swarb

People who have done this rarely share the info as they are usually shops that paid money for the r&d.

You can search google for places to test in your area.

I know this just trying to get some info. I spent an hour with TWM Induction on ITBs it all comes down to flow rates across the entire spectrum of the lift.

Calum · 11-09-2015, 08:16 PM

@Tim Radley has tested them.

Dig through his posts, there's not many, I can't remember if he posted numbers or not. IIRC, he ended up using epoxy to fill some areas in an effort to increase flow velocity.

celek · 11-09-2015, 08:41 PM

Quote:

Originally Posted by Calum

@Tim Radley has tested them.

Dig through his posts, there's not many, I can't remember if he posted numbers or not. IIRC, he ended up using epoxy to fill some areas in an effort to increase flow velocity.

I messaged him on FB but its bed time for him

celek · 11-11-2015, 11:16 AM

Update, Local Technical College (OTC) in Cleveland for Auto Performance has a Flow Bench... Looks like I will be getting some good number's luckily I know someone on the board of directors there.

Calum · 11-11-2015, 11:48 AM

Quote:

Originally Posted by celek

Update, Local Technical College (OTC) in Cleveland for Auto Performance has a Flow Bench... Looks like I will be getting some good number's luckily I know someone on the board of directors there.

Is this going to cost you anything?

Jeff@Racer X Fab · 11-11-2015, 12:00 PM

I have seen two sets of flow numbers on this forum. Both were right around 270 to 280 CFM intake and 170 to 180 CFM exhaust.

Tim, already posted the info:

celek · 11-11-2015, 12:14 PM

Quote:

Originally Posted by racerx1715

I have seen two sets of flow numbers on this forum. Both were right around 270 to 280 CFM intake and 170 to 180 CFM exhaust.

Tim, already posted the info:

Thats only 1 cylinder though the exhaust ports are goofy on this head. I want to know all of them

CSG Mike · 11-11-2015, 11:25 PM

I have numbers for both stock and built heads. What exactly are you trying to get done?

wizzo · 01-14-2016, 12:06 AM

Hey everyone, was in touch with nastyportflow out of Malaysia. They have worked on FA20 heads, and had stock and ported heads on the flow bench.

At 28" testing cylinder 1:

Stock -> Intake=265.5 Exhaust=174.9
After port work -> Intake=294.2 Exhaust 211.5

Seem like stock s2k numbers which sounds good to me

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11-09-2015, 07:00 PM	#3
swarb Senior Member Join Date: Sep 2014 Drives: BRZ Location: Los Angeles Posts: 3,052 Thanks: 1,773 Thanked 2,451 Times in 1,271 Posts Mentioned: 79 Post(s) Tagged: 0 Thread(s)	People who have done this rarely share the info as they are usually shops that paid money for the r&d. You can search google for places to test in your area.

11-09-2015, 08:16 PM	#5
Calum That Guy Join Date: Dec 2011 Drives: 2013 asphalt FRS MT Location: Halifax, Nova Scotia Posts: 4,865 Thanks: 5,058 Thanked 2,868 Times in 1,499 Posts Mentioned: 82 Post(s) Tagged: 1 Thread(s)	@Tim Radley has tested them. Dig through his posts, there's not many, I can't remember if he posted numbers or not. IIRC, he ended up using epoxy to fill some areas in an effort to increase flow velocity.

11-11-2015, 12:00 PM	#9
Jeff@Racer X Fab Senior Member Join Date: Aug 2012 Drives: Subaru BRZ, Toyota MR2 Turbo Location: Lansing, MI Posts: 321 Thanks: 92 Thanked 340 Times in 135 Posts Mentioned: 23 Post(s) Tagged: 1 Thread(s)	I have seen two sets of flow numbers on this forum. Both were right around 270 to 280 CFM intake and 170 to 180 CFM exhaust. Tim, already posted the info:

11-11-2015, 11:25 PM	#11
CSG Mike Join Date: Jul 2012 Drives: S2000 CR Location: Orange County Posts: 14,562 Thanks: 8,942 Thanked 14,211 Times in 6,854 Posts Mentioned: 970 Post(s) Tagged: 14 Thread(s)	I have numbers for both stock and built heads. What exactly are you trying to get done?

01-14-2016, 12:06 AM	#12
wizzo Member Join Date: Jun 2014 Drives: 2014 Toyota 86 Location: Dubai, UAE Posts: 84 Thanks: 2 Thanked 17 Times in 14 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Hey everyone, was in touch with nastyportflow out of Malaysia. They have worked on FA20 heads, and had stock and ported heads on the flow bench. At 28" testing cylinder 1: Stock -> Intake=265.5 Exhaust=174.9 After port work -> Intake=294.2 Exhaust 211.5 Seem like stock s2k numbers which sounds good to me

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