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Old 03-10-2012, 06:33 PM   #1
nexgen
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Default what ej20 do i have ?

hey guy's i received this short block in a trade and i really don"t know much about it and i'm hoping you'll can help me identify it. i was told it's from a jdm sti and that it's suspoused to rev to 8k. i don"t have the heads so i took pics of the numbers on the block.









the last one's a little hard to read but the numbers 812876812521

thanks joe
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Old 03-10-2012, 07:32 PM   #2
ciper
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What are the numbers above where the water pump mounts? Something like Z25 301
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Old 03-10-2012, 08:37 PM   #3
nexgen
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Fm-1 and on the bottom of the motor it says 20l and 20r
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Old 03-10-2012, 10:03 PM   #4
jollyblue84
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I am also wanting to double check my motor. I'm told by a few people that its a ej20g. How can I be sure?
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Old 03-11-2012, 12:37 AM   #5
Marnix
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This looks like a MY99-00 EJ207. It has forged pistons but stock rods.
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Old 03-11-2012, 09:35 PM   #6
nexgen
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would the forged pistons work in an 02 wrx motor?
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Old 03-12-2012, 05:45 AM   #7
Marnix
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The 02 WRX motor is the same except for the pistons. So you could use this block in a WRX yes or use the pistons in a WRX block but make sure the block bore size (A or B) match the piston size (A or B).
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Old 03-16-2012, 04:01 PM   #8
nexgen
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thanks marnix, any idea one of these would be worth if it needs to be rebuilt
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Old 03-31-2012, 04:15 AM   #9
UK-Wagon
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Used pistons are not worth anything really, they should stay in the cylinders they were in if they have low mileage. But from what I see here the block in the pics is a USDM 2.0L Nothing special. Most of the JDM version blocks are Semi-closed deck and yours is not.
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Old 03-31-2012, 01:12 PM   #10
simer1228
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I agree with Marnix; looks like a 99-00 EJ207.

My 99 v5 EJ207 have those pistons and was also a open deck block.

Like Marnix said, the only difference between your block and a USDM 02-05 WRX block is the forged pistons. block, rods, crank, etc are pretty much identical.
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