Acura RSX DC5 & Honda Civic EP3 Includes DC5 Integra Type R & 5dr Civic hatchback

How do I know if it is a K20A2 0r K20A3?

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Old May 16, 2010 | 12:55 AM
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Icon2 How do I know if it is a K20A2 0r K20A3?

Hi, my brother in law is willing to trade me his 05 Si Hatch for my 91 CRX Si with an H22A in it. I'm would like to know if his car has a K20A2 or A3. The hatch has a red valve cover, red emblems everywhere (even on the key) but I can't find where to look on the engine and determine which one it has.
Can anyone tell me where to look (picture would be great) without having to take the valve cover and check the inside of the head? Is there anything in the VIN number that would tell me if it is a type R engine or something?
Thanks

Israel
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Old May 16, 2010 | 01:37 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

drive and see if vtec kicks in yo! lol if not its a a3 most likely
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Old May 16, 2010 | 06:01 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

Originally Posted by vikingo3
Hi, my brother in law is willing to trade me his 05 Si Hatch for my 91 CRX Si with an H22A in it. I'm would like to know if his car has a K20A2 or A3. The hatch has a red valve cover, red emblems everywhere (even on the key) but I can't find where to look on the engine and determine which one it has.
Can anyone tell me where to look (picture would be great) without having to take the valve cover and check the inside of the head? Is there anything in the VIN number that would tell me if it is a type R engine or something?
Thanks

Israel
its an a3....its stamped on the block just like every honda
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Old May 16, 2010 | 06:54 AM
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Icon2 Re: How do I know if it is a K20A2 0r K20A3?

All D, B and H engines I know, have the block stamped towards the front of the car, on the transmission side. Since the K series turn "the right way" I'm wondering if the stamp is on the inside towards the firewall on the transmission side or where. The K20 in the 05 civic hatch is a pretty tight fit. Can you guys guide me on where the stamp of the K20xx is?
Thanks

Israel
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Old May 16, 2010 | 07:21 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

like i said if his car is stock its an a3 motor!

Last edited by nahonda04; May 17, 2010 at 06:49 AM.
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Old May 16, 2010 | 11:01 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

Actually, if you look directly under the throttle body, that is where the block stamp is. You should be able to see it... Basically like how you mentioned how all the other Honda motors are stamped, it's the same just on the right side instead of left.
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Old May 16, 2010 | 11:08 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

is your brother-in-law so shady he wont tell you what engine he really has in there or is it that he doesnt even know?
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Old May 16, 2010 | 11:53 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

look to make it easy race it if its slow then its A3
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Old May 17, 2010 | 05:58 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

Probably an A3 with a Type-R valve cover installed.
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Old May 17, 2010 | 08:52 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

Originally Posted by charleso
is your brother-in-law so shady he wont tell you what engine he really has in there or is it that he doesnt even know?
He got it like that and he doesn't know anything about cars.
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Old May 17, 2010 | 09:19 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

like josh stated above, the stamp is still in the front. if it is a bone stock 05 hatch with no mods then more than likely its the A3. When i sell mine and take it back to stock the lucky buyer gets a stock ep with a K24A4
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Old May 18, 2010 | 04:07 PM
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Default Re: How do I know if it is a K20A2 0r K20A3?

where is the redline on the tach at? most people when they swap get the type r gauge cluster which has an 8K redline instead of the weak a3 7K redline
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Old May 19, 2010 | 10:24 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

Originally Posted by EPTech
where is the redline on the tach at? most people when they swap get the type r gauge cluster which has an 8K redline instead of the weak a3 7K redline
LOL WTF? No. I didn't hahaha
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Old May 19, 2010 | 10:57 AM
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Default Re: How do I know if it is a K20A2 0r K20A3?

Originally Posted by EPTech
where is the redline on the tach at? most people when they swap get the type r gauge cluster which has an 8K redline instead of the weak a3 7K redline
lol..., guess I'm not most ppl...
oh wait, I just got one!!! it's kinda cool foolin' ppl seeing me going past the 7k redline and freak out, lol...
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Old May 19, 2010 | 07:58 PM
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Default Re: How do I know if it is a K20A2 0r K20A3?

Originally Posted by vikingo3
He got it like that and he doesn't know anything about cars.
its a heavy *** hatchback with a a3 anybody can beat it, my d17 can beat i do it all the time
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Old May 19, 2010 | 08:16 PM
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Default Re: How do I know if it is a K20A2 0r K20A3?

its an A3 with a type r valve cover A2's only come in the Acura RSX Type s 02-04 the stamp is located in between the manifold and just above the starter and unless they swapped the tranny you should only still have 5 gears
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