_Broken_WRX_
New member
So I recently bought a built 08 wrx hatch. The engine only has 7k on it since it was rebuilt and is a fairly mild setup. (Just over 300 wheel) The engine sounds fine after its warmed up but there is a distinct high pitch ticking that depends on rpm on startup. It lasts for about 10-20 seconds before fading away. Im thinking it could be rod knock until the engine gets oil pressure. Its got forged pistons and is bored to 99.75. (Manley Pistons) Could this just be piston slap or something worse? The car also needs a new tune. It hasnt been retuned since it got a new certicooler and headers. Also it burns a good bit of oil on startup as well. Im new to subarus as well so anything helps. Im also not sure if im doing cooldowns correctly or not after driving it hard.
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