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View Full Version : k24a1 head on k20a3 is this possible?



mike.barron
04-23-2008, 10:01 AM
I was told that the k24 head will bolt right up and there will be gains, and I don't need anything else is this true?

kprocivic
04-23-2008, 10:04 AM
I was told that the k24 head will bolt right up and there will be gains, and I don't need anything else is this true?

yes this is true have a nice day.

thechromecoyote
04-23-2008, 10:07 AM
haha you should get kpro to take advantage of the increased air flow

davisj3537
04-23-2008, 12:44 PM
Get a new head gasket for the a3 and use the k24 exhaust gasket.

K-Shark
04-23-2008, 12:48 PM
someone just recently posted up their dyno for their k24a1 head/k20a3 block. this was before the crash.

i believe he made around 196 HP aand 153 TQ. jaegoon (or something is the one you want to talk to)

davisj3537
04-23-2008, 12:59 PM
someone just recently posted up their dyno for their k24a1 head/k20a3 block. this was before the crash.

i believe he made around 196 HP aand 153 TQ. jaegoon (or something is the one you want to talk to)

He must have had kpro and full bolt ons and cams.

RON
04-23-2008, 01:01 PM
Correct me if I am wrong, but an a4 head won't just bolt on a k20a3 will it? Maybe I am confused I know a2 heads wont just bolt on an a4, but it will on an a1?

davisj3537
04-23-2008, 01:29 PM
Correct me if I am wrong, but an a4 head won't just bolt on a k20a3 will it? Maybe I am confused I know a2 heads wont just bolt on an a4, but it will on an a1?

I am not sure but have heard that too. I know the k24a1 head will bolt up to anything except the k24a4 or k24a3...but i'm not sure about the k24a4 head.

RON
04-23-2008, 01:41 PM
I am not sure but have heard that too. I know the k24a1 head will bolt up to anything except the k24a4 or k24a3...but i'm not sure about the k24a4 head.

I thought it had something to do with the difference in the piston heads (a4 is flat?) and the k20a3 and K24a1 have the clearance for the valves? I could be thinking way to much in to this though!:mtongue:

kprocivic
04-23-2008, 01:49 PM
the a4 pistons are dome shape.

http://www.ephatch.com/forum/showthread.php?t=43889

davisj3537
04-23-2008, 03:02 PM
Oh I thought you were asking about the heads...to put any k series head other than the a4 head on a k24a4 you have to change pistons. Does that answer your question?

CastorTroy2
04-23-2008, 05:53 PM
He must have had kpro and full bolt ons and cams.

yes with bc stage 3's

jaeguyoon
04-23-2008, 06:28 PM
someone just recently posted up their dyno for their k24a1 head/k20a3 block. this was before the crash.

i believe he made around 196 HP aand 153 TQ. jaegoon (or something is the one you want to talk to)

get my name right!!!!!!


lol jk

davisj3537
04-23-2008, 06:42 PM
yes with bc stage 3's

Hardcore eh? Nice!

clizoman
04-23-2008, 07:11 PM
its fun and flows. here is a chart . i have an extra head for sale! lmk!
http://img.photobucket.com/albums/v650/wiseintegra/k20%20k24%20frank/crv_V_types_V_tsx.jpg

talonXracer
04-23-2008, 07:17 PM
Correct me if I am wrong, but an a4 head won't just bolt on a k20a3 will it? Maybe I am confused I know a2 heads wont just bolt on an a4, but it will on an a1?


Yes the A4 head will bolt onto a K20A3 block, the issue is the pistons in the A4 block.

BUT the A4 head flows worse than the A3 head, it is the chump head of the Kseries engines.

RON
04-24-2008, 07:00 AM
Yes the A4 head will bolt onto a K20A3 block, the issue is the pistons in the A4 block.

BUT the A4 head flows worse than the A3 head, it is the chump head of the Kseries engines.

The master has spoken!:mbiggrin:

Kerby
04-24-2008, 02:07 PM
I thought there was more to this....

Does the stock A3 intake bolt on? What about any water, hose, misc connections that the stock A3 has compared to the A1 head? Any jimmy rigging have to be done? sanding?

davisj3537
04-24-2008, 02:16 PM
The a1 head is exactly the same as the a3 head except it flows much better. You need a new a3 head gasket and use the k24a1 exhaust gasket. Deck the k24a1 head before puttin it on to be safe but that is it sir. Very simple. The k24a1 head is the only plain ass bolt on head from a k24.

Kerby
04-25-2008, 03:59 AM
seeing how we are talking about rebuilding the head...

How can a machine shop destroy the flowing properties of the k24a1 head?
What is the proper way to port the k24a1 head?
Does polishing the exhaust ports give better results?
Is there an advantage to using an OEM s2k valvetrain compared to k20a2 aftermarket valvetrain?

shadowmd
04-25-2008, 04:16 AM
its fun and flows. here is a chart . i have an extra head for sale! lmk!
http://img.photobucket.com/albums/v650/wiseintegra/k20%20k24%20frank/crv_V_types_V_tsx.jpg

ahh...........an the a2 shines in the end :attention: lol

K-Shark
04-25-2008, 02:31 PM
get my name right!!!!!!


lol jk

my bad! =)

dobbs02si
04-25-2008, 04:54 PM
ahh...........an the a2 shines in the end :attention: lol

Ive always wondered if this is on the intake or exhaust side?? Or combined?

the JigGa mAn
04-29-2008, 12:23 AM
Get a new head gasket for the a3 and use the k24 exhaust gasket.

what are the part numbers?

clizoman
04-30-2008, 10:57 PM
what are the part numbers?

K24 OEM CRV Headgasket part number = : 12251-PPA-004

the JigGa mAn
05-01-2008, 02:19 AM
K24 OEM CRV Headgasket part number = : 12251-PPA-004

thanks, but i would need k20a3 headgastet and k24a1 exhaust gasket