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Old 03-08-2009, 04:01 PM   #1
JDMFLCL
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Default Basic build input (2.2L stroker)

Just a basic contingency plan in case my ej20g goes kaput, and will most likely occur anyways within the next 2 year timeframe.

car has a ej20g right now

EJ20G heads
aftermarket gaskets
arp studs
ej205 block bored to 2.2l
Mahle pistons
EAgle rods
ACL bearings
ej257 Crank
new oil cooler

thats about it i think, reusing the ej20g water pump, new timing belt doesnt really count, tuning it on 550ccs @ first and then whatever they are flowtested @ when they are decapped on a powerfc down the road with a 18g.

Super basic nothing wild. Going for reliability over anything else.
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Last edited by JDMFLCL; 03-08-2009 at 04:10 PM.
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Old 03-08-2009, 11:38 PM   #2
JDMFLCL
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i should mention that i have about 2500 to put into it parts wise, and can self wrench, just this will be my first subaru motor build.

mainly looking for the piston part number, everything else was easy to find.
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Old 03-09-2009, 12:21 AM   #3
seanathanq83
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well i think boring a 205 that big is a bad idea, i suggest getting a 2.2 turbo or just a reg 2.2 phase II engine. you will probably need to sleeve the engine. i am rebuilding my engine, and have been trying to find someone to bore the block .020 over, fit pistons, measure rod and main bearings, and just put it all together, and my first quote was about 1700 dollars, i dont know how competent you are with doing the micing or pistons and bearings, but so far it seems to be expensive. have you gotten any quotes? is 1700 to assemble a short block normal?
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Old 03-09-2009, 12:32 AM   #4
reddevil
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|My shop charged $80 to bore ALL 4 cylinders.... And considering it takes only about 4 hours WORST CASE SCENARIO to assemble a shortblock, you are getting reamed.
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Old 03-09-2009, 12:41 AM   #5
seanathanq83
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thought so, i will be calling some other places, also im trying to decide on the whole torque plate whether or not it should be used
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Old 03-09-2009, 12:58 AM   #6
JDMFLCL
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How much should i be paying for the ej205 block?
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Old 03-09-2009, 01:00 AM   #7
seanathanq83
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just the empty block? i see them go for around 100-150, and have seen a short block go for around 200-250
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Old 03-09-2009, 01:00 AM   #8
reddevil
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I have paid from$100 to 400 for core blocks, depends upon work needed, and if it comes with good crank.....
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Old 03-09-2009, 01:02 AM   #9
seanathanq83
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they are all over the place, im ont one to flame or anthying, but you can find alot if you use the search button, here is one, there were another 3 or so in the top 5
http://forums.nasioc.com/forums/show...ight=wrx+block
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Old 03-09-2009, 01:05 AM   #10
JDMFLCL
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ive been looking at them, just trying to get an overall feel
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Old 03-09-2009, 01:10 AM   #11
seanathanq83
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yea, ~200 is great price, just try to find one close, so you dont have to pay shipping
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Old 03-09-2009, 05:41 AM   #12
JDMFLCL
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now here is a curveball

my car currently with just the stock motor is going to get a chipped ecu...would it be possible to run the same map on the same boost and injectors with the 2.2L stroker, or do i have to get a new tune. Wondering if its possible to run that for a short period of time on a conservative map.
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Old 03-09-2009, 06:58 AM   #13
seanathanq83
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on a concervative map, yes. well in all truth, a break in map is what you should really use, it is a really concervative map with low boost. and lots of fuel. i would advie against it untill the engine is broken in, now after that, a map for a 2.0 wont be w whole lot differant than a map for a 2.2, displacment change that little, isnt to big of a deal
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Old 03-09-2009, 07:23 AM   #14
JDMFLCL
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well sending it in and out to the chipper is a small price to pay for some piece of mind.

so what do break in maps look like? Uber conservative like 14 lbs of boost and running rich?
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Old 03-09-2009, 07:29 AM   #15
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running too rich on a newly built motor is bad.......it'll wash the walls and the rings will have a hard time seating
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Old 03-09-2009, 07:38 AM   #16
JDMFLCL
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So i should just run the normal map i have and just keep the revs low

also do i need to sleeve my block or no?

Also, how much does hot tanking cost? it seems boring is like 100-150, and hot tanking cant be that expensive for what it is.

I think this fall, or maybe earlier, ill get the ej205 block and the pistons and have it bored, then slowly assemble it from the inside out.

Last edited by JDMFLCL; 03-09-2009 at 08:56 AM.
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Old 03-09-2009, 12:43 PM   #17
seanathanq83
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normal break in maps have like 0-5psi of boost for the first 1k or so, and keep the rpms down below like 4k
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Old 03-09-2009, 02:41 PM   #18
JDMFLCL
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no issue, ive decided to go with a live mapping ecu that is tuneable
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