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Old 09/02/2010, 08:19 PM   #1
Em1LuiSiR
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Default questions about k

If you put a k24 block with k20a2 head in a rsx will everything match up perfectly? What do you have to do? Thanks in advance.


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Old 09/02/2010, 09:29 PM   #2
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Default Re: questions about k

http://www.k20a.org/forum/showthread.php?t=68105

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Old 09/03/2010, 07:46 PM   #3
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Default Re: questions about k

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Thanks. But does anyone know What's the difference between the k20a3 and the k20a2? I know one is from the type s and the other isn't but what's different?


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Old 09/03/2010, 11:56 PM   #4
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Default Re: questions about k

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Originally Posted by Em1LuiSiR View Post
Thanks. But does anyone know What's the difference between the k20a3 and the k20a2? I know one is from the type s and the other isn't but what's different?
K20A2
Found in:
2002-2004 RSX Type-S (USDM)
2002-2004 Honda Integra Type R (Australia)
2002-2005 Honda Civic Type R (EP3, European)
Displacement: 1,998 cc (121.9 cu in)
Compression: 11.0:1
Power: 200hp @ 7800 rpm
Torque: 141 ftlbf (196Nm) @ 5600 rpm
Rev limit:8100 rpm (USDM RSX-S, U.K Civic-R )
i-VTEC engagement: 5800 rpm
[edit]

K20A3
Found In
2002-2005 Honda Civic Si (EP3)
2002-2005 Honda Civic SiR (EP3)(Canadian version of US Civic Si)
2002-2006 Acura RSX
Displacement: 1,998 cc (121.9 cu in)
Compression: 9.5:1
Power: 155hp(120 kW) @ 6500 rpm(SAE net J1349 Rev 8/04)
Torque: 132 lbft (179 Nm)* (191 Nm) @ 5000 rpm(SAE net J1349 Rev 8/04)
Redline: 6800 rpm
i-VTEC Engagement Window: 2200 rpm

K20A2>K20A3

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Old 09/04/2010, 09:42 PM   #5
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Default Re: questions about k

Thank you very much sir


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Old 09/04/2010, 10:50 PM   #6
luis31
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Default Re: questions about k

Everythin bolts up. Except in the case of the A4. U have to replace pistons and use kpro amongst some other little things

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Old 09/04/2010, 11:05 PM   #7
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Default Re: questions about k

i dont remeber which head they say dont use because at higher rpms the pistons start to slap the head. dont quote me because i dont remember where i read that.


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Old 09/05/2010, 06:53 AM   #8
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Default Re: questions about k

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Everythin bolts up. Except in the case of the A4. U have to replace pistons and use kpro amongst some other little things
Yea I imagined the a3 would bolt on perfectly but that's way to much of a downgrade.


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Old 09/05/2010, 01:01 PM   #9
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Default Re: questions about k

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Originally Posted by mr.carr View Post
i dont remeber which head they say dont use because at higher rpms the pistons start to slap the head. dont quote me because i dont remember where i read that.
Its not the head u don't wanna use. Its the pistons in the block and that's off of the k24a4.

And yes the k20a3 block is quite a downgrade bc of the low comp. Although some people say that its all in the gearing

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Old 09/09/2010, 08:50 PM   #10
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Default Re: questions about k

You wanna use the follwing parts from the type s2.0
-oil pump gear chain (have pump modded) or do it yourself
-the head (prb) and intake mani, throttle body
-get your self a 2.4a4 swap out the pistons and rods to a nice set. Have machine work done. (Two holes have to be blocked off in the bottom end)
-use the 2.4 chains and guides
Bolt this together and with a good tune it will put you at 240whp

Its pretty straight forward swap and minor build. Its good to have a book and a brain. Tools are nice too.

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