Honda and Acura Technical Forums

BearsEK-KMSU · 01-25-2008, 03:59 PM

Well we just finished a 12.8:1 compression H23 Vtec motor
This graph is comparing the stock intake manifold with a 68mm skunk2 throttle body and a Skunk2 pro series manifold with the same 68mm T.B.

Here is the build

Here is the video:

Kingmotorsports blueprinted and balanced bottom end.
12.8:1 compression race gas for a race car
Wiseco pistons
Crower rods
Kingmotorsports ported head and competition valve job
Skunk 2 Pro 3's
Skunk 2 Pro series Intake manifold
Skunk 2 Pro series 68mm Throttle body
AEM cam gears
Custom header
Crower Cro-moly retainers
Supertech valve springs
Hondata intake gasket
Hondata S300

Skunk2 intake manifold vs Stock intake manifold
both with the 68mm
Red line is Skunk2
Blue line is stock

The best run by itself

Modified by BearsEK-KMSU at 8:44 AM 2/6/2008

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simply · 01-25-2008, 04:07 PM

wow that torque is serious

b19coupe · 01-25-2008, 04:19 PM

Nice power

Displacement?

BearsEK-KMSU · 01-25-2008, 04:24 PM

Quote:

Originally Posted by b19coupe

Nice power

Displacement?

88mm Bore and 95mm stroke.

mar778c · 01-25-2008, 04:46 PM

Wow, it is not even close.

May I ask what sort of flow numbers are you getting from the head@28"of H2O? You don't have to be exact just is it above 310 cfm?

b19coupe · 01-25-2008, 04:49 PM

122 WHP/Liter? Weak!

DonF · 01-25-2008, 05:00 PM

Nice job Mike. I will send the header pic's on Sat. Or should I say, not another good dyno sheet with Skunk cams, copy's are so much cheaper. I will copy the the Pro2 H22 sheet and send that to, the curves are similar until 8300. Go home, it must be cold in " why would I live here" WI.

jdm_ef9 · 01-25-2008, 05:24 PM

Very nice build!

That TQ is insane for the 95mm crank!

2fastGSR · 01-25-2008, 05:27 PM

sick numbers.

Gives me something to shoot for . . .

alterdcreations · 01-25-2008, 05:42 PM

Did you only port match the oem intake manifold to the 68mm throttlebody?
were the runners ported? did you remove the second throttle spacer?
with race gas 14:1 + compression is still your friend.

always great job

bluedlude · 01-25-2008, 06:11 PM

bbbbbadass

what chassis is this going into?

h46it · 01-25-2008, 06:26 PM

Are you serious! You keep posting up these crazy engines! Great work! Love it!!!

Combustion Contraption · 01-25-2008, 06:28 PM

Where did the gears end up?

gsrob · 01-25-2008, 06:35 PM

Very nice engine build...what car is it in?

BearsEK-KMSU · 01-25-2008, 08:03 PM

Quote:

Originally Posted by alterdcreations

Did you only port match the oem intake manifold to the 68mm throttlebody?
were the runners ported? did you remove the second throttle spacer?
with race gas 14:1 + compression is still your friend.

always great job

We only port matched the intake gasket and the throttle body opening, The butterflies were still in but not working,they didn't make enough of a difference to wire them up 4 good. The customer wanted to run race gas 110 sunoco, so that what we tuned it with. The customer is not local so we just wanted to tune it with what he was actually going to use in it. The motor is going into a race car 92-96 prelude. We tested it in another car for dyno purposes only.

BearsEK-KMSU · 01-25-2008, 08:07 PM

Quote:

Originally Posted by Combustion Contraption

Where did the gears end up?

The cams were degreed in at 99.5* centerline on the intake and 106.5*on the exhaust.

b-vtec · 01-26-2008, 07:31 AM

damn nice

do u stilll have ur b20 build?

ekBlackHatch · 01-26-2008, 07:32 AM

you guys do some crazy ass builds i still like that b18(ls non vtak) 200whp high comp you did!

BearsEK-KMSU · 01-26-2008, 08:00 AM

Quote:

Originally Posted by b-vtec

damn nice

do u stilll have ur b20 build?

Yes every motor isn't always mine, I just post our sweet builds.

98vtec · 01-26-2008, 08:38 AM

Master of the Universe · 01-26-2008, 11:21 AM

Quote:

Originally Posted by BearsEK-Kingmotorsports

The cams were degreed in at 99.5* centerline on the intake and 106.5*on the exhaust.

+99.5 / and - 106.5 on the gears??

Combustion Contraption · 01-26-2008, 11:40 AM

Quote:

Originally Posted by Master of the Universe

+99.5 / and - 106.5 on the gears??

Vernier style.

I guess Brad was right about an INT CL of 100 working real well.

103 LSA

Modified by Combustion Contraption at 12:51 PM 1/26/2008

RaceCarRyne · 01-26-2008, 11:58 AM

BearsEK-KMSU · 01-26-2008, 01:12 PM

Quote:

Originally Posted by Master of the Universe

+99.5 / and - 106.5 on the gears??

The gear position is irrelevant isn't it? Everybodys setup is different head milling, valve job, how much they are sunk, valve size, deck milling, thickness of margin, and valve clearance. I am assuming that combustion just wanted to know the separation of the gears but the deg-reed numbers are really what matters. But i am sure you are well aware of this

Mike95lude · 01-26-2008, 04:45 PM

Very impressive!

01-25-2008, 04:07 PM	#2
simply My Garage Join Date: Aug 2006 Location: northern, NJ, U.S Posts: 697	wow that torque is serious __________________ Acosta Motorsport

01-25-2008, 04:19 PM	#3
b19coupe Member My Garage Join Date: Mar 2002 Location: Southern, California, U.S.A. Posts: 9,544	Re: KingMotorsports H23 Vtec ALL motor 282 WHP 196 WTQ!!!!!! (BearsEK-Kingmotorsports) Nice power Displacement? __________________ Church Automotive Testing Portflow ported B16 head for sale Toda Spec B's FS!

01-25-2008, 04:46 PM	#5
mar778c Member My Garage Join Date: Mar 2004 Location: Downingtown, PA, USA Posts: 5,306	Re: KingMotorsports H23 Vtec ALL motor 282 WHP 196 WTQ!!!!!! (BearsEK-Kingmotorsports) Wow, it is not even close. May I ask what sort of flow numbers are you getting from the head@28"of H2O? You don't have to be exact just is it above 310 cfm? __________________ Good people: Synapse Motorsports,JDogg,b18c1_powered _si,CHEETAH, 86si,NA_is_best, Astig, McNews Automotive, geardog, 4g hatch, Innovative Motorworks

01-25-2008, 04:49 PM	#6
b19coupe Member My Garage Join Date: Mar 2002 Location: Southern, California, U.S.A. Posts: 9,544	Re: KingMotorsports H23 Vtec ALL motor 282 WHP 196 WTQ!!!!!! (BearsEK-Kingmotorsports) 122 WHP/Liter? Weak! __________________ Church Automotive Testing Portflow ported B16 head for sale Toda Spec B's FS!

01-25-2008, 05:00 PM	#7
DonF Member My Garage Join Date: May 2002 Location: Atl. Beach, fl, duval Posts: 5,142	Re: KingMotorsports H23 Vtec ALL motor 282 WHP 196 WTQ!!!!!! (mar778c) Nice job Mike. I will send the header pic's on Sat. Or should I say, not another good dyno sheet with Skunk cams, copy's are so much cheaper. I will copy the the Pro2 H22 sheet and send that to, the curves are similar until 8300. Go home, it must be cold in " why would I live here" WI.

01-25-2008, 05:24 PM	#8
jdm_ef9 Member My Garage Join Date: May 2001 Location: City of Champions, PA Posts: 1,489	Re: KingMotorsports H23 Vtec ALL motor 282 WHP 196 WTQ!!!!!! (DonF) Very nice build! That TQ is insane for the 95mm crank! __________________ 1991 Civic - 2.3L H2B All Motor Street [bolisbuilt.] [RsTECH] [Supertech Performance] [Import Parts]

01-25-2008, 05:27 PM	#9
2fastGSR King of the One Liners My Garage Join Date: Apr 2001 Location: Jersey, USA Posts: 4,232	Re: KingMotorsports H23 Vtec ALL motor 282 WHP 196 WTQ!!!!!! (jdm_ef9) sick numbers. Gives me something to shoot for . . . __________________ AllenBuilt/RSTech Tuned All Motor F2K Coupe: 11.08 - 125 Have an All Motor Car ? Stop Being an Internet Tough guy and sign up - $5000 SHOOTOUT -http://www.honda-tech.com/showthread.php?t=2535738

01-25-2008, 05:42 PM	#10
alterdcreations Member My Garage Join Date: Feb 2006 Location: Single camshafting for now in, N.Y. Posts: 3,427	Re: KingMotorsports H23 Vtec ALL motor 282 WHP 196 WTQ!!!!!! (2fastGSR) Did you only port match the oem intake manifold to the 68mm throttlebody? were the runners ported? did you remove the second throttle spacer? with race gas 14:1 + compression is still your friend. always great job __________________ Home to Swiss Army Knives and Watches!!! "she'll love it".....and you might also get a nice suprise www.secrethiddentreasures.com

01-25-2008, 06:11 PM	#11
bluedlude Member My Garage Join Date: May 2006 Location: upstate NY Posts: 1,943	Re: KingMotorsports H23 Vtec ALL motor 282 WHP 196 WTQ!!!!!! (alterdcreations) bbbbbadass what chassis is this going into? __________________ -Jacob- Need 3D models or machine shop prints? PM me. Degreed Engineer.

01-25-2008, 06:26 PM	#12
h46it Junior Member My Garage Join Date: Mar 2002 Location: city of champions Posts: 430	Re: KingMotorsports H23 Vtec ALL motor 282 WHP 196 WTQ!!!!!! (bluedlude) Are you serious! You keep posting up these crazy engines! Great work! Love it!!! __________________ Team DAP member #3 Blog\|Premium stock images

01-25-2008, 06:28 PM	#13
Combustion Contraption Member My Garage Join Date: Jan 2003 Location: So Cal Posts: 9,940	Where did the gears end up? __________________ EARL LASKEY, YOU WILL BE MISSED CCCylinderheads.comV3 NOW UP AND RUNNING Buy the 85x89 Project Hatchback!

01-25-2008, 06:35 PM	#14
gsrob My Garage Join Date: Jul 2006 Location: Antitheft Hideout, CA Posts: 840	Very nice engine build...what car is it in? __________________ For Sale: 2002 Honda S2000 6spd. Transmission http://www.honda-tech.com/zerothread?id=2114927 Have tons of OEM Honda/Acura parts, have many many parts off wrecked cars. Give me a tell with what you are looking for.!

01-26-2008, 07:31 AM	#17
b-vtec Junior Member My Garage Join Date: Jan 2008 Location: Seattle Area, wa, US Posts: 107	Re: (BearsEK-Kingmotorsports) damn nice do u stilll have ur b20 build? __________________ TYPE Rs are OVER RATED Build a real motor B20/vtec BUILT NOT BOUGHT http://images.honda-tech.com/set1/smile/emthup.gif 245whp 157tq

01-26-2008, 07:32 AM	#18
ekBlackHatch Junior Member My Garage Join Date: Jan 2007 Location: earth Posts: 916	you guys do some crazy ass builds i still like that b18(ls non vtak) 200whp high comp you did! __________________ (jdm)B18c 82x89mm, itr 65mm maxbore tb,PerformerX IM,RS 82mm pr3 pistons, ls crank/rods,arp headstuds/rodbolts,SSR header,2.5exhaust...... blah blah blah and still building http://www.honda-tech.com/zerothread?id=2289121 HatchPack

01-26-2008, 08:38 AM	#20
98vtec 12's or bust My Garage Join Date: Oct 2002 Posts: 14,081	Re: (BearsEK-Kingmotorsports) __________________ Blake's Wiki Taking a break. See you on the flip side.

01-26-2008, 11:58 AM	#23
RaceCarRyne Junior Member My Garage Join Date: Oct 2005 Location: chicago Posts: 821	Re: (Combustion Contraption)

01-26-2008, 04:45 PM	#25
Mike95lude Member My Garage Join Date: Jul 2000 Location: Snohomish county, WA, USA Posts: 2,194	Re: (BearsEK-Kingmotorsports) Very impressive! __________________ '94 Prelude VTEC Import Replacement Parts - specializing in OE Replacement and Performance parts -

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