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Message: [QUOTE="Gearhead, post: 68404, member: 503"] I haven't flogged on it yet it only has about 1200 miles on it as I have been away for the last 2 months. The mileage is up slightly and the tuning is definitely different than before. As I have seen in the past on other combos, I had to retard the part throttle timing compared to the old motor with the exact same injectors and turbo. The cam profile is making the burn faster with less timing and thus telling me that more oxygen is making it to the combustion chamber and there is less dilution from the exhaust. The ported heads and cam are dropping the boost number compared to stock (3psi cruise vs 5 before) but the volume of airflow hitting the turbine is higher. I'm thinking about modifying the 1.0 housing to use the wastegate across both sides of the scroll or just going to a 1.15 housing, but the turbo comes on like a light switch at 1550 RPMs right now and I would really hate to lose that. [/QUOTE]

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