Finished my head swap.... - Honda Civic Forum

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Finished my head swap....

Old 05-14-2005
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Finished my head swap....

After 10 hours of bitching and bleeding im done with the head swap. I ran into a few problems like getting the timming right, having the gasket for the vtec soleniod leak and forgetting to plug back in a sensor. Over all it was pretty easy just really time consuming. Im running a vafc2 for the vtec instead of a ex ecu and i set vtec for 4700. The cross over is alot more then i expected. Its pretty loud and i deff feel a diff. I know it sounds kinda dumb from a sohc vtec but its alot more then i expected. I would deffinatly suggest this mod to any dx/lx owner. Ill get some pics up 2morow of my vafc2 mount and the engine bay.
By the way im throwing no check lights and it runs very smooth.

Total cost of project-190(head)240(vafc2)74(oem head gasket)10(egr valve gasket)

vtec
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Old 05-14-2005
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nice and a few suggestions for ya.
put the vtec at 4200rpm
and make your wide throttle
pre vtec engagement at about -3/-4
and hi cam engagemnet from 4200 +3
4600 +4
5000 +5
5400 +6
5800 +7
run +7 all the way from there
im running the same setup and it runs alot better
and run your precentages at 30%/80%
workoff that and tune to yours it'll help and feel better. you won't be running so lean at hi cam engagement.
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Old 05-14-2005
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thanks
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Old 05-14-2005
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You are brilliant, now lets see those pics, where did you manage to find the vtec head, and what car is that ecu from? Sic transplant man...!
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Old 05-14-2005
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Good **** man!!!! I'm gonna look into getting an EX head now!!!


Originally Posted by CloudKICKA
You are brilliant, now lets see those pics, where did you manage to find the vtec head, and what car is that ecu from? Sic transplant man...!
He's using his stock ecu if you re-read the original post.
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Old 05-14-2005
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Hmmmmmmmmm fairly cheap mod..............the wheels are turning
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Old 05-14-2005
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wishs omeone would smack up a vtec roudn ehre. but no one has yet lol nothing in our salvages..

if i can salvage and ask for teh header off a civic ex 01-05? will this work? thats all i want to ask for is a vtec header?
i would got for a ecu but think i would need a new harness right?
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Old 05-14-2005
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Originally Posted by paradoxblue
wishs omeone would smack up a vtec roudn ehre. but no one has yet lol nothing in our salvages..

if i can salvage and ask for teh header off a civic ex 01-05? will this work? thats all i want to ask for is a vtec header?
i would got for a ecu but think i would need a new harness right?
Header is a exhaust manifold, you want the complete head. Running the VAFC2 seems to be the easier choice than getting a new ECU and having it reflashed to accept your keys.
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Old 05-14-2005
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I found the head on this site from cardnoff (the y8 intake mani man)

Its a great mod guys just make sure you know what your in for and expect your car off the road for a full day or 2 at the most.

Im going to take some pics now
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Old 05-14-2005
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Old 05-14-2005
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flipped up so the idiots that steal **** cant see it as easily when walking by
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Old 05-14-2005
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i like it. i wanna do it. i need tof ind it

what would happen if the vtec was in and there was no contrl unit.. it just wouldnt run.. or would it F up?

now turbo it and put in some Nitrouse WOOT
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Old 05-14-2005
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so what is this now 2 official ex head swaps on an lx or what? that is awesome though head swap and exhaust and you got 127 lol
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Old 05-14-2005
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that still looks like an lx intake why is that?
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Old 05-14-2005
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It is my old dx intake...if you look the mounting braket is just dangling cause the mount was replaced by the vtec soleniod
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Old 05-14-2005
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I like the color scheme on the valve cover and wire cover.
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Old 05-15-2005
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how do you plan to suspend the intake?
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Old 05-15-2005
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its just chillin right now
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Old 05-15-2005
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civiclx4dr has a little shameless behaviour in the past
i did the head swap also and it is a good difference in power gains than the dx/lx
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Old 05-15-2005
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very nice
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Old 05-15-2005
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Originally Posted by runner1738
that still looks like an lx intake why is that?
dx/lx/ex....all the same intakes when it's a short ram.
It's just a head swap nothing is changed on the intake manifold/throttle body.

Last edited by R1Style; 05-15-2005 at 10:11 AM.
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Old 05-15-2005
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Very nice. Id like to see a dyno of an LX vs a LX w/ Ex head swap. Thinking of doing it sometime... ( even tho my mom wil rape me after the $$$ i poured into my last cars engine but the stock engine just sucks...)

Id like to see wat a LX/Vtec head with I/H/E and a crower cam would run... think thats gunna be my setup after i get outa school... maybe some nitrous...
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Old 05-15-2005
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i would do crower cam but that would involve taking the head off and putting the cam in, then putting the head back on with a new head gasket....to much work and money
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Old 05-15-2005
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I though I read something about you having trouble with the exhaust? Was this you and if so how did you fix it?
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Old 05-15-2005
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No trouble with exhaust...right now the stock dx on the ex head but im going to dc sports tsc cat back to a dc sports header probably
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Old 05-15-2005
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10-4. Ive searched for info on the LX to EX header swap and a lot of people said that they had to cut part of the engine mount for it to fit. And I also red a lot of people were not too pleased with the performance of the DC header. Personally I dont know but you might want to ask some people about that.........
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Old 05-15-2005
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First time I did the swap (EX OEM head to PNP EX head) it took 12 hours by myself. Second time I did it I pulled it off in 4. The best way to keep timing is ziptie the cam gear to the belt (which only goes on one way anyway due to the key). The most pain in the *** part are the intake bolts and the bracket that holds the intake on (accessed from under the car). Thank God I had a lift the second time. Oh, lining up the gasket with the plug for the oil galley is also a pain in the ***. Thats a lot of dough for a gasket. I have friends who work there and I snagged intake AND head gasket for $35 after tax, so retail can't be THAT bad. Although the head studs are stretch bolts I reused mine twice with zero compression issues.
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Old 05-15-2005
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HAHA i didnt even put the intake mani brakets back on waht a pain in the ***...its a plastic mani so it dosent weigh much im sure the hoses and acutally bolts that go in the block will hod it just fine
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Old 05-15-2005
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Probably. Could you believe it's plastic? lol What a piece of shi+. The middle bolt on the intake was a bitch. I used one of the self ratching box wrenches.
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Old 05-15-2005
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very ncie man im proud of you.
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