In for the long haul Ultimate NA build thread. - Page 29 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

churchx · 12-21-2015, 07:49 AM

Tim: problem being .. i doubt statement of problem being in stock intake, as yet to seen any aftermarket intake to be THAT much better then stock + aftermarket drop in filter, to consider stock being problem/bottleneck. Yes, some bring +5whp on top of stock+AM filter (in most cases those that "bring more gains" are just via manipulating MAF sensor readings resulting running much leaner on stock tune, and once MAF calibration is done, so are most of those "gains"). Those just 5whp .. do not make stock looking in my eyes as THAT of a limiting factor due some supposed "major flaws".

Tim Radley · 12-21-2015, 07:53 AM

Quote:

Originally Posted by churchx

Tim: problem being .. i doubt statement of problem being in stock intake, as yet to seen any aftermarket intake to be THAT much better then stock + aftermarket drop in filter, to consider stock being problem/bottleneck. Yes, some bring +5whp on top of stock+AM filter (in most cases those that "bring more gains" are just via manipulating MAF sensor readings resulting running much leaner on stock tune, and once MAF calibration is done, so are most of those "gains"). Those just 5whp .. do not make stock looking in my eyes as THAT of a limiting factor due some supposed "major flaws".

Well I have datalogging that shows the problem. I made a test piece that removed the stock airbox and found a good improvement.
The other problem is some of the people doing aftermarket intake manifolds are just copying stock. If you polish a turd ... well its still a turd.

celek · 12-21-2015, 12:05 PM

Quote:

Originally Posted by churchx

Tim: problem being .. i doubt statement of problem being in stock intake, as yet to seen any aftermarket intake to be THAT much better then stock + aftermarket drop in filter, to consider stock being problem/bottleneck. Yes, some bring +5whp on top of stock+AM filter (in most cases those that "bring more gains" are just via manipulating MAF sensor readings resulting running much leaner on stock tune, and once MAF calibration is done, so are most of those "gains"). Those just 5whp .. do not make stock looking in my eyes as THAT of a limiting factor due some supposed "major flaws".

I think Tim and myself are looking after the throttle body not before though

Spartarus · 12-21-2015, 01:31 PM

Quote:

Originally Posted by FRS Justin

Here is another article that should make everyone happy on the light weight subject please read. so we can get back on topic.

http://www.uucmotorwerks.com/flywhee...heel_works.htm

Thank you for posting that. The presentation is a bit pedestrian but it is good material.

It's physics guys. Basic. F*cking. Physics. And basic, basic math.

It isn't magic.

And @celek was right about the WHP gain on any inertia-based chassis dyno, of which there are many.

Quote:

Originally Posted by churchx

celek: only losses in friction of gears/bearings and tire-road affect whp readings.

In a brake dyno? Or any other dyno that can evaluate steady-state operation? Yes. On an inertial dyno? No. 1/4 ET? Oh, it'll make a difference.

Lonewolf · 12-22-2015, 03:20 PM

Celek- Have you seen this yet?

http://www.enginelabs.com/…/pri-2015-king-engine-bearing-s…/

DocWalt · 12-22-2015, 03:56 PM

King makes some fantastic bearings. At this point they're all I'll use in my GTI since I seem to just chew up everything else...

solidONE · 12-22-2015, 11:09 PM

Quote:

Originally Posted by Tim Radley

Problem is there are two major design flaws in the intake system that really hold it back in N/A form. I've seen it in the datalogging from both road and dyno. Might print a new intake manifold over Christmas to test out as I want to leave the car in N/A form whilst i set the Holinger up.

What kind of material do you plan on using? Will it withstand the heat? I'd love to see the end result of a printed manifold.

wizzo · 12-23-2015, 04:06 AM

Will you be able to tell us which of the piper cams will work with OEM pistons, and if they do not, how much additional clearance are we after?

Also, i wonder if we will need to use some sort of phaser limiter like the mustang 5.0 guys etc.

swarb · 12-23-2015, 04:38 AM

Quote:

Originally Posted by wizzo

Will you be able to tell us which of the piper cams will work with OEM pistons, and if they do not, how much additional clearance are we after?

Also, i wonder if we will need to use some sort of phaser limiter like the mustang 5.0 guys etc.

Why don't you ask the people who make the cams? The would be the best way to get an accurate answer.

Tim Radley · 12-23-2015, 06:15 AM

Quote:

Originally Posted by solidONE

What kind of material do you plan on using? Will it withstand the heat? I'd love to see the end result of a printed manifold.

Colorfabb XT-CF20. I've also got some Taulmann high temp nylon to try. The CF20 will take boost pressure without issue.

celek · 12-24-2015, 11:50 AM

Quote:

Originally Posted by Lonewolf

Celek- Have you seen this yet?

http://www.enginelabs.com/…/pri-2015-king-engine-bearing-s…/

I saw them at PRI ofcourse I am fully assembled already but my rod bearing is from a RB26 Nissan

burdickjp · 12-26-2015, 07:30 PM

Quote:

Originally Posted by Tim Radley

Colorfabb XT-CF20. I've also got some Taulmann high temp nylon to try. The CF20 will take boost pressure without issue.

Nylon likes to absorb moisture. Not sure on Taulman's specific versions.

celek · 01-14-2016, 12:02 PM

Winter is here and its killing me!

Fricke · 01-18-2016, 04:00 AM

Have been following your thread and just have a suggestion

Why not buy some secondhand BMW M throttle body's from s38 or the s50 or S54 thes throttle body's are very common too use in Europe for custom builds.
Do they can be handed for as little as 100$
Djust a thought.

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12-21-2015, 07:49 AM	#393
churchx Senior Member Join Date: Mar 2015 Drives: 2014 GT86 Location: Latvia, Riga Posts: 4,333 Thanks: 696 Thanked 2,086 Times in 1,436 Posts Mentioned: 53 Post(s) Tagged: 1 Thread(s)	Tim: problem being .. i doubt statement of problem being in stock intake, as yet to seen any aftermarket intake to be THAT much better then stock + aftermarket drop in filter, to consider stock being problem/bottleneck. Yes, some bring +5whp on top of stock+AM filter (in most cases those that "bring more gains" are just via manipulating MAF sensor readings resulting running much leaner on stock tune, and once MAF calibration is done, so are most of those "gains"). Those just 5whp .. do not make stock looking in my eyes as THAT of a limiting factor due some supposed "major flaws".

12-22-2015, 03:20 PM	#397
Lonewolf Senior Member Join Date: Dec 2011 Drives: Moped Location: CA Posts: 4,300 Thanks: 4,903 Thanked 2,131 Times in 1,195 Posts Mentioned: 21 Post(s) Tagged: 0 Thread(s)	Celek- Have you seen this yet? http://www.enginelabs.com/…/pri-2015-king-engine-bearing-s…/

12-22-2015, 03:56 PM	#398
DocWalt Senior Member Join Date: Oct 2013 Drives: '22 BRZ Location: PA Posts: 1,850 Thanks: 2,319 Thanked 1,493 Times in 777 Posts Mentioned: 24 Post(s) Tagged: 2 Thread(s)	King makes some fantastic bearings. At this point they're all I'll use in my GTI since I seem to just chew up everything else...

12-23-2015, 04:06 AM	#400
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)	Will you be able to tell us which of the piper cams will work with OEM pistons, and if they do not, how much additional clearance are we after? Also, i wonder if we will need to use some sort of phaser limiter like the mustang 5.0 guys etc.

01-18-2016, 04:00 AM	#406
Fricke Senior Member Join Date: Feb 2014 Drives: Toyota GT86 Location: Sweden/Söderhamn Posts: 144 Thanks: 34 Thanked 90 Times in 39 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Have been following your thread and just have a suggestion Why not buy some secondhand BMW M throttle body's from s38 or the s50 or S54 thes throttle body's are very common too use in Europe for custom builds. Do they can be handed for as little as 100$ Djust a thought.

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