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Old 07-04-2019, 08:51 AM   #1
whiterabbitrexy
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Member#: 379271
Join Date: Jan 2014
Default V4 wrx heads on v6 ej205 block

Hi everyone i have a 1998 subaru Australian Wrx Gf8.....it has everything from factory stock beshides 3inch Tbe, vf22, fmic, and ecu is standard but soon will be fully tunable by installing a chipset and rom to turn it into a live standalone ecu......*

The ej20 block Bottom end craprd it self long story short so i thought about installing a 2002 wrx ej205 for cheap.....i found one cheap for $300 aus, and now thininkg to myself my 1998 ecu parameters might be a bit diffrent fireing order compared to a ej205 block because of crank angle sensor might be off compared to my phase 1 ej20k block being suited to the factory harness and sensors?*

Also notice somthing scarry the pistions come out complety FLAT to the top of the deck...my old block only had a ej20 wrx 75mm stroke and stoped a fair bit before the decking of the block.... will this mess with my timing and Valves hiting the pistons????*

In all that said.....Block will bolt up perfectly with the ej205 oem gaskets.... i will use a ej205 harmonic balance Not my 1998 ej20k factory harmonic..... i want to play it safe i can run everything from Oil pump to cooling and block matting....so the rest im a little puzzled.

Please give us your advice on what u known i might be missing
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