S&J are already rebuilding and building Subaru EJ Boxer engines for more than 20 years. S&Js experience both of those about the track and off is guiding Every single and each Create they tackle.
While the EJ25 ECU can deal with the engine alter, the camshaft variations, compression ratios, and many others are more than enough to warrant a matching tune.
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The cams have been a little bit difficult for me to torque, we tried out every thing we had right until I wrapped an previous timing belt about the cam gears and crank equipment and made use of locking pliers within the timing belt.
I will proceed to incorporate more details as I bear in mind, or get the motivation so as to add the photographs I took. As constantly, Be at liberty to let me know any excess information and facts/inbound links that maybe you have on the subject!
I just took some pics of the issues I came upon, and just need to get this available for any person who may have their motor blow as I did, and incorporate into the megathread above over the 2.5RS forum Positioned doing a Google lookup of EJ20 swap megathread.
While in the 6 versions with the GC Impreza WRX/STI, Subaru utilized 3 different turbocharged engines. Here is how you can detect Each and every motor, and the pros and cons of employing it in your swap:
The valvecover gaskets: Very same. Save by yourself some headache, You should not be lazy - invest the 20 min and 20 bucks to do this though every thing is a snap to succeed in.
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Essential extras: Sensor group that is located over the strut tower bracket (passenger aspect for left hand push nations); mass airflow sensor with housing.
The center of gravity and this sort of will likely be closely retained; in contrast to a 2jz or lsx swap. The EJ motors, Even though aged tech, remain really potent.
You might have to resource a flange with the downpipe or swap around your headers solely with your uppipe & tubocharger.
The adaptor within the EJ251 suit perfectly in the EJ203, creating this not A great deal of a difficulty at all. That is I think by far the most detail We now have about differing PCV valves, I could not even find one over the EJ203. Simply a straight shot on the consumption manifold from what I could more info inform.
When you men have any concerns or belongings you want to know, make sure you allow me to know! It's a quite simple swap. Ideally It'll be great to me over the observe too.