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Old 08-27-2018, 05:06 PM   #13
Scooby Specialist
Member#: 239335
Join Date: Feb 2010
Chapter/Region: W. Canada
Location: Edmonton, Alberta
2011 WRX


Originally Posted by Homemade WRX View Post
What did you want to know about revving to 9k RPM?

Also, seeing you're on +2mm rods and Manley "8.5:1" pistons, I'm guessing this was actually an EJ257 designed piston, so you're probably more like 8.0:1 if not worse.
Don't you just spin it there provided the heads can take it and the oil pressure is 85-90 psi in the top end As you know EJ's actually like reving high being an oversquare motor and all, even with stock rod/stroke ratio there is nothing wrong with 8200 rpm if the heads can flow and wont float.
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Delphi is offline   Reply With Quote