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IIRC 8degrees BTDC on MFI is rule of thumb, checked with a timing light, the engine up to temp, and the vacuum hose off the ECU and blocked off (inlet side, not ECU).
Yeah it is for a standard car, for engines running more than standard boost I would go with 8degree BTDC, until I had it RR'd.
Sorry should have specified I was talking bout modded engine lol
