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Boosted AP1 compression

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Old 03-28-2021, 10:47 AM
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Originally Posted by 661s2000
That seems like a great starting point...I’m getting an exhaust gasket coming my way and will pull the turbo and manifold off and take a look. I also ordered a bore scope and will do what I can to post pictures. I appreciate the help and feedback...my thought was honestly that the bottom end was hurt.

I am hoping to have some time next weekend to get this little chore completed with Easter it may be another weekend but none the less I will post my results once I have them.
You have forged pistons, and the bore surface is very strong. Unless you're microwelding the rings, or broke a ring land, there should not be any bottom end problems. A few people have mistaken burned exhaust valves for cylinder ring issues including myself and some others recently.
Old 03-30-2021, 08:39 AM
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Originally Posted by Slowcrash_101
You have forged pistons, and the bore surface is very strong. Unless you're microwelding the rings, or broke a ring land, there should not be any bottom end problems. A few people have mistaken burned exhaust valves for cylinder ring issues including myself and some others recently.
I believe you’re absolutely correct! I ran a endoscope into my best and worse cylinders to take have a comparison and they look dang near the same. Minor marks here and there but nothing that seems deep at all just slightly more shiny etc in those areas.

I will be pulling the turbo manifold off next and taking a look at the valves themselves in the few weeks and will be reporting back with my findings.
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