Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB
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Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   The Ultimate FA20 ITB thread. (https://www.ft86club.com/forums/showthread.php?t=125122)

Hawk77FT 02-12-2019 06:58 PM
Quote:
Originally Posted by Tokay444 (Post 3185155)
Less restriction? What are the flowbench numbers of the stock manifold?
Keep in mind now, the engine will be ingesting measurably warmer air.
CFm - after my intake manifold extrude honing.
Runner before after
1. 431 472
2. 433 474
3. 430 471
4. 427 468

Hope this helps

Tokay444 02-12-2019 07:44 PM
Quote:
Originally Posted by Hawk77FT (Post 3185278)
CFm - after my intake manifold extrude honing.
Runner before after
1. 431 472
2. 433 474
3. 430 471
4. 427 468

Hope this helps
It does when we have flow numbers for these ITBs, and the heads.

CSG Mike 02-12-2019 09:50 PM
The (aged) NA motor being used for testing failed while exploring high RPM gains. A new OEM engine is being sourced to continue testing.

NoHaveMSG 02-12-2019 09:52 PM
Quote:
Originally Posted by CSG Mike (Post 3185351)
The (aged) NA motor being used for testing failed while exploring high RPM gains. A new OEM engine is being sourced to continue testing.
RIP

Pouring a beer out for our dead hommie.

Code Monkey 02-12-2019 09:59 PM
Quote:
Originally Posted by CSG Mike (Post 3185351)
The (aged) NA motor being used for testing failed while exploring high RPM gains.
What RPMs are we talking about here? The usual 7,800 or did you guys push it past 8,000?

Tokay444 02-13-2019 09:07 AM
Quote:
Originally Posted by Hawk77FT (Post 3185278)
CFm - after my intake manifold extrude honing.
Runner before after
1. 431 472
2. 433 474
3. 430 471
4. 427 468

Hope this helps
I'm actually quite impressed with the delta between the factory runners. Quite a well made unit, as one would assume something N/A at over 100hp/L would need to be.

Hawk77FT 02-13-2019 06:56 PM
Quote:
Originally Posted by Tokay444 (Post 3185458)
I'm actually quite impressed with the delta between the factory runners. Quite a well made unit, as one would assume something N/A at over 100hp/L would need to be.

Well, I have used the new intake manifold (2017) for this exercise. The guy that did it for me said that it actually flows really well, and has seen these numbers on bigger engine Porsches...so, looks like the intake manifold is pretty well built.

Teseo 02-13-2019 07:40 PM
Quote:
Originally Posted by Hawk77FT (Post 3185741)
Well, I have used the new intake manifold (2017) for this exercise. The guy that did it for me said that it actually flows really well, and has seen these numbers on bigger engine Porsches...so, looks like the intake manifold is pretty well built.
And now the 17' intake manifold will cost more

staycrushing 02-13-2019 07:51 PM
Quote:
Originally Posted by Hawk77FT (Post 3185278)
CFm - after my intake manifold extrude honing.
Runner before after
1. 431 472
2. 433 474
3. 430 471
4. 427 468

Hope this helps
what did the honing end up costing you?

ive always tossed up the idea of doing that to the 2017 and sandblasting the outside and having it thermal coated to prevent heat soak.

Hawk77FT 02-13-2019 09:26 PM
Quote:
Originally Posted by Teseo (Post 3185753)
And now the 17' intake manifold will cost more
They are pretty much the same as the previous plastic one. Mine will cost more for sure. :)

Hawk77FT 02-13-2019 09:28 PM
Quote:
Originally Posted by staycrushing (Post 3185759)
what did the honing end up costing you?

ive always tossed up the idea of doing that to the 2017 and sandblasting the outside and having it thermal coated to prevent heat soak.
About 450 AUD and had it ceramic coated as well afterwards. Haven't had a chance to hit the dyno, but compared to my previous set up there is a quantifiable improvement for sure. I should get it done pretty soon!

MotoX16 06-10-2019 12:53 PM
Bump, any updates?

Turdinator 06-10-2019 08:22 PM
Quote:
Originally Posted by Hawk77FT (Post 3185780)
About 450 AUD and had it ceramic coated as well afterwards. Haven't had a chance to hit the dyno, but compared to my previous set up there is a quantifiable improvement for sure. I should get it done pretty soon!
Have you had a chance to dyno your car with the manifold?

Hawk77FT 06-10-2019 08:46 PM
Quote:
Originally Posted by Turdinator (Post 3226420)
Have you had a chance to dyno your car with the manifold?
Mate, been very busy and completely forgotten about it. Will see if I can book it in sometimes next week!


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