Checking out a 606 turbo today, It's out of the car. I plan on running a compression test by yanking all the injectors, hooking up to cyl #1, running the starter from a battery, and repeating for cylinders 2-6.

I'm looking for 400 psi on each cylinder right?

Am I missing out on anything?

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$60 OM617 Blank Exhaust Flanges
$110 OM606 Blank Exhaust Flanges
No merc at the moment