HKS New Stroker Kit and Evasive Motorsports Engine Build 2014 UPDATE 9/9/14 - Page 8 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

akahenry · 09-10-2014, 05:18 AM

Quote:

Originally Posted by Evasive Motorsports

https://www.facebook.com/video.php?v...type=2&theater

wow heart eyez heart eyez

sexxxxxxxxxxxxx

djliquidsteele · 09-10-2014, 06:43 PM

Ok, I read that dyno chart WAY wrong. My bad. lol

CSG Mike · 09-10-2014, 10:01 PM

Solid gains! I'd totally give up a few hundred RPM for that increased powerband!

RehabJeff86 · 09-10-2014, 10:33 PM

Cant make it 9k rpm like element tuning?

Sent from my iPhone using TapatalkfQ

Evasive Motorsports · 09-11-2014, 02:36 PM

Quote:

Originally Posted by RehabJeff86

Cant make it 9k rpm like element tuning?

Sent from my iPhone using TapatalkfQ

No power gains at 9k with our motor. At that RPM it wasn't beneficial for us to go that high even with E85.

Lonewolf · 11-02-2014, 02:31 PM

Any more updates?

GT86_PRAGUE · 06-03-2015, 11:02 AM

Quote:

Originally Posted by Evasive Motorsports

The dotted is our old set up before the stroker
HKS pistons
Legacy Rods
E85
Same Supercharger set up

The solid is our new set up with the HKS stroker
HKS stroker
HKS rods
HKS cams
HKS pistons
E85
Same Supercharger set up

about the same peak power but more low end and mid range.

-Randy

Any estimate on how much this Stroker add to N/A car?

celek · 06-03-2015, 12:24 PM

Quote:

Originally Posted by GT86_PRAGUE

Any estimate on how much this Stroker add to N/A car?

Makes the stock engine 2.1ltrs
The dyno that HKS shows on their site is with no tuning factory ECU with cams and there Super charger.

GT86_PRAGUE · 06-04-2015, 01:58 AM

Quote:

Originally Posted by celek

Makes the stock engine 2.1ltrs
The dyno that HKS shows on their site is with no tuning factory ECU with cams and there Super charger.

I realized that and you didnt answer my question.

OkieSnuffBox · 06-04-2015, 08:42 AM

Quote:

Originally Posted by GT86_PRAGUE

I realized that and you didnt answer my question.

If you make no other changes than just displacement, make an educated guess.

A engine is just a big air pump, so if you increase displacement by 5%......how much power do you think you gained?

celek · 06-04-2015, 08:56 AM

Quote:

Originally Posted by GT86_PRAGUE

I realized that and you didnt answer my question.

10 HP with original Header Original overpipe and original stock ECU

http://www.hks-power.co.jp/en/produc...city/fa20.html

GT86_PRAGUE · 06-04-2015, 09:14 AM

Quote:

Originally Posted by OkieSnuffBox

If you make no other changes than just displacement, make an educated guess.

A engine is just a big air pump, so if you increase displacement by 5%......how much power do you think you gained?

Maybe I could rev it higher too?

I have catback, frontpipe, headers, intake and Ecutek.
And I want to stay N/A.

celek · 06-04-2015, 09:19 AM

Quote:

Originally Posted by GT86_PRAGUE

Maybe I could rev it higher too?

I have catback, frontpipe, headers, intake and Ecutek.
And I want to stay N/A.

No you will not be able to rev higher, the geometry inside the block with the stroker kit reduces the rod to stroke ratio from 1.51:1 to 1.42:1. having a more severe angle on the rod.

This is why I made my own stroker kit with custom pistons to support a longer rod and maintain the rod to stroke ratio.

Look at the dyno http://www.ft86club.com/forums/showp...9&postcount=89 the peak and rev limit is dropped below 7200

My custom build: 2.3ltr 13:1 NA motor
http://www.ft86club.com/forums/showthread.php?t=63901

crash · 06-04-2015, 09:25 AM

Quote:

Originally Posted by celek

10 HP with original Header Original overpipe and original stock ECU

http://www.hks-power.co.jp/en/produc...city/fa20.html

How do they have such a linear torque curve? Even stock line doesnt show a dip.

09-10-2014, 10:33 PM	#102
RehabJeff86 Senior Member Join Date: Mar 2013 Drives: 2013 WhiteOut FR-S Location: Dublin,CA Posts: 969 Thanks: 899 Thanked 492 Times in 306 Posts Mentioned: 67 Post(s)	Cant make it 9k rpm like element tuning? Sent from my iPhone using TapatalkfQ __________________ 2013 Scion FR-S whiteout 2012 Porsche Panamera S carbon grey 2008 Range Rover Sport SS black - sold 2004 BMW M3 alpine wies - sold

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