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Old 02-24-2021, 12:22 PM   #1
Scooby Newbie
Member#: 491668
Join Date: Sep 2018
Default Short Block Replacement..CR question

In a nutshell, I acquired a refreshed block with new CP std size pistons, 8.2:1 CR, new Manley rods and new crank. This is going in my 08 WRX running E85 (car is already set for it) with the stock VF52 turbo. This will be mated with my stock D25 heads and everything else just transferred from the old engine with new seals, timing belt and pumps of course. With this setup, I was recommended a 1.1mm headgasket to bring the CR back to WRX, from what I read is 8.55:1. Is this correct?

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