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Old 12-27-2003, 11:54 PM   #1
Kostamojen
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Arrow Rebuilding Engine Heads - Tips? (and some other things)

Ok, I just picked up those EJ20 engine heads ive been waiting oh so long to get... They are rather dirty, and its completely in pieces, the first thing i'd like to do is clean them up a bit. Any tips for that? And is there anything else I should do while its all apart? What about like gaskets and stuff that I should replace?

Still hopefull that these will bolt up to the ej18 block, ill find out soon enough I guess. Although the camshafts for the EJ20 head are missing (not on purpose, they were supposed to be with it but they are elsewhere aparently) Im not entirely sure if that will be a problem to tell if the valves will clear the ej18 pistons... That seems to be my biggest concern right now.
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Old 12-28-2003, 10:47 PM   #2
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Hmm, no responce due to sunday? Or does nobody actually know anything about this?
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Old 12-29-2003, 12:21 AM   #3
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steam clean? i always like to clean stuff up, but it never seems to work as well once i do.
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Old 12-29-2003, 02:02 AM   #4
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Steam clean the internals? That doesnt sound like what I meant, lol
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Old 12-29-2003, 02:12 AM   #5
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Gasoline and a toothbrush?

-Jon
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Old 12-29-2003, 02:35 AM   #6
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ahha, the mod does not even know. screw it, just throw them on and have fun.
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Old 12-29-2003, 08:25 AM   #7
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Quote:
Originally posted by stimpy
Gasoline and a toothbrush?

-Jon
Yeah, I was thinking maybe kerosene(sp?)
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Old 12-29-2003, 10:51 AM   #8
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Default Clean and adjust

Maybe use some carb cleaner on the piston side? I know that's what I used to get off a lot of the deposits. Also I would check the vavle adjustment and such once you get the cams.
Joshua
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Old 12-29-2003, 02:20 PM   #9
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Maybe its worth just bringing them to a local machine shop. That way they can resurface the heads since you don't know what they been through. And re-grind the valves and valve seats, check the valve guides, put new guide seals, check for cracks....etc. Well worth the money in the long run.
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Old 12-29-2003, 03:24 PM   #10
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i agree, send them to a machine shop get the resurfaced ect... they should also have a solvent bath there to soak them in to take off all that gunk

or you can buy a can of engine or carb cleaner and a small wire brush
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Old 12-29-2003, 11:44 PM   #11
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Quote:
Originally posted by madmanslegacy
or you can buy a can of engine or carb cleaner and a small wire brush
Thats what I was looking for. Im really not out there to completely clean the whole thing perfectly, just get it to a point where I can work with it, and without damaging it. I was thinking simple green for the coolant channels, but I worry about how strong it is (good idea or no?)

As for taking it to a third party for operating, thats not within my budget. If I could afford that, i'd just have the them port and polished (which I would do myself if I could get some personal help with it, but probably wont so I wont) but for right now its just a simple cleaning so I can fiddle around with installing them on a EJ18 block to see how if it will work
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Old 12-30-2003, 04:28 PM   #12
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Ok, picked up some carb cleaner and some metal brushes
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Old 12-31-2003, 02:57 PM   #13
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Simple Green works ok, but it doesn't cut as well as a solvent cleaner.
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Old 12-31-2003, 08:31 PM   #14
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ok, ill see how it goes.
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Old 01-03-2004, 12:14 PM   #15
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Be careful with the metal brushes on that soft aluminum. If the bristles are super stiff, you might do some accidental porting!

Just an observation....

By the way, I still want your 1.8 ECU!!!


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Old 01-03-2004, 05:08 PM   #16
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Hmm, ill check and see if my buddy with the 1.8 has the ECU out of the car. He might be willing to sell it.
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Old 01-04-2004, 03:02 AM   #17
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Quote:
Originally posted by Kostamojen
Hmm, ill check and see if my buddy with the 1.8 has the ECU out of the car. He might be willing to sell it.
I had you mixed up with supermoose. I want his modded ECU.

Thanks though,
Jay Storm
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Old 01-04-2004, 05:11 PM   #18
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Oh ok
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Old 01-06-2004, 10:48 PM   #19
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Yes, I keep them in my closet, LOL!
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