Is a 12.5:1cp ratio
with manley forged pistons
skunk2 con rods
check out my garage
built it myself and no issues yet except for the tune which im not going to do until fi. I have 6000 miles on the built engine. No issues except for cold start problems due to tune and high rpm knock which the ecu is learning to correct over time.
Waynes tune has helped me out a lot but im going to take it to a tuner right after the turbo
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