k20z3 all motor build - K20A.org .:. The K Series Source . Honda / Acura K20a k24a Engine Forum
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Old 05-25-2008, 05:48 PM   #1
ainokea_si
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Default k20z3 all motor build

Hey guys,

I have a 07 Civic Si and going for a all motor build. I was planning on using nothing but Brian Crower parts. My car currently has bolt ons (cai, dcrh, apexi ws2). I am first going with the NST tuning pulleys, pr2 spacer, and hondata flash with gasket.

The first portion of the build will be stage 2 cams with springs and retainers. Next, I will sell those cams and get the stage 3 cams with BC rods. The pistons I do not know who to go with but I know that I want at least 12:5.1 or 13:1 because my car currently has 11:1. If you guys know of any pistons that I should go with that work well with BC let me know?

I will post Dynos after each install portions. Currently I have 202whp and 157 tq.

What do you guys think or what else do you think that I am missing? What type of power output do you think that I will achieve?

Thanks for you guys help! I like this site much better than the 8thcivic site because of the knowledge base that is on this site. Thanks again for your help!
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Old 05-25-2008, 06:19 PM   #2
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Post Re: k20z3 all motor build

Good Luck!!!
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Old 05-25-2008, 06:20 PM   #3
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Default Re: k20z3 all motor build

thanks any suggestions or things that i should know?
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Old 05-25-2008, 06:32 PM   #4
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Default Re: k20z3 all motor build

How are you tuning the engine? what ECU?
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Old 05-25-2008, 06:40 PM   #5
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Default Re: k20z3 all motor build

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How are you tuning the engine? what ECU?
that is the part that really sucks! our car does not have a engine management! no hondata kpro. our car has a drive by wire and is managed by the ecu air flow!

the only thing that is offered is AEM Fuel and Ignition Controller which i will eventually have to purchase. they are the only ones that have something to manage the car. i will prob get that and install before the final stage if i dont get crazy A/F ratio in after the cams and springs.

i heard that the brian crower makes more mid range power has any else ever heard this before?
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Old 05-26-2008, 12:30 PM   #6
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Default Re: k20z3 all motor build

I have the stage 2 cams brand new
and full valve train for sale.
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Old 05-26-2008, 05:33 PM   #7
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I have the stage 2 cams brand new
and full valve train for sale.
you are my new best friend!
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Old 05-26-2008, 06:38 PM   #8
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Default Re: k20z3 all motor build

why do you want atleast 12.5 compression? that should be the most you want on pump gas
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Old 05-26-2008, 07:05 PM   #9
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Default Re: k20z3 all motor build

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why do you want atleast 12.5 compression? that should be the most you want on pump gas
what are you suggesting? is 13:1 to much for 91 gas?
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Old 05-26-2008, 07:30 PM   #10
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Default Re: k20z3 all motor build

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what are you suggesting? is 13:1 to much for 91 gas?
in my opinion 13:1 is deff too much for pump. even 12:5 is a lil on the border for 91. we got 93 up here. and guys still throw in some octane booster in their 12:5 blocks every once in a while. i would go with 12:5 at the most. you dont wanna have to worry about detonation.
good luck with your build homie
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Old 05-26-2008, 07:45 PM   #11
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in my opinion 13:1 is deff too much for pump. even 12:5 is a lil on the border for 91. we got 93 up here. and guys still throw in some octane booster in their 12:5 blocks every once in a while. i would go with 12:5 at the most. you dont wanna have to worry about detonation.
good luck with your build homie
oh, ha i said 91 and i meant 93...well maybe 12:5 is better, rather safe than sorry thanks for the help
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Old 05-28-2008, 08:17 AM   #12
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Default Re: k20z3 all motor build

why u want to spend on stage 2 if ur going with stage 3 anyways I think u should stay with the stage 2 if ur not going with higher cr
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Old 05-28-2008, 09:12 AM   #13
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why u want to spend on stage 2 if ur going with stage 3 anyways I think u should stay with the stage 2 if ur not going with higher cr
i was going to raise the cr but decided that the stage 2 were better from another thread because the guy put stage 2 and then 3, with only small gains not worth it
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Old 05-28-2008, 09:14 AM   #14
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Default Re: k20z3 all motor build

I have stage 3 in my rsx with itr pistons what a disappointment
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Old 05-28-2008, 10:17 AM   #15
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Default Re: k20z3 all motor build

Quote:
Originally Posted by ainokea_si View Post
that is the part that really sucks! our car does not have a engine management! no hondata kpro. our car has a drive by wire and is managed by the ecu air flow!

the only thing that is offered is AEM Fuel and Ignition Controller which i will eventually have to purchase. they are the only ones that have something to manage the car. i will prob get that and install before the final stage if i dont get crazy A/F ratio in after the cams and springs.

i heard that the brian crower makes more mid range power has any else ever heard this before?
the aem piece is designed only for f/i applications it even says so on their website....it can only retard ignition, which although is good for f/i...is absolute junk for n/a....save your $ dont buy it...my .02

if you are a cant wait type of person, this would be my suggestion

http://www.youtube.com/watch?v=4B3QZGBp55g

jumper harness to run kpro, stock ecu to run guages....as of this moment imo this is the only viable solution

Rich
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Old 05-28-2008, 11:37 AM   #16
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Default Re: k20z3 all motor build

that looks like a complete MESS!
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Old 05-28-2008, 11:41 AM   #17
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Default Re: k20z3 all motor build

yeah but that is the first one ever made...
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Old 05-28-2008, 11:52 AM   #18
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Default Re: k20z3 all motor build

this is completely true! ugh?!? buy one now, hack and splice job??then sell old kpro for new hondata 06+ crap? i just dont know anymore
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Old 05-28-2008, 11:54 AM   #19
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Default Re: k20z3 all motor build

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Originally Posted by ainokea_si View Post
this is completely true! ugh?!? buy one now, hack and splice job??then sell old kpro for new hondata 06+ crap? i just dont know anymore
hack and splice....no plug and play
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Old 05-28-2008, 01:46 PM   #20
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Default Re: k20z3 all motor build

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hack and splice....no plug and play
yea that is lame, i keep hearing on the 8thcivic site that soon, soon, and even new type of tuners from different developers

but nothing yet
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