Unfortunately, if you are into high mileage, the high output engine is not the best place to start. I average a whopping 17.3 mpg on my '03 GT. You would have to drive VERY carefully with the Stage 1 kit but if you do you would see an improvement in mileage. There is no reason to wait until 10,000 miles to switch to Mobil 1. Most folks switch at about 2,500-3,000 miles.
If you drive for economy, which you obviously do, and you let the turbo cool down for about 3 minutes after you run it on the highway, the turbo timer will not be necessary.
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2003 Almond GT AutoStick, body colored rear splash guards and hood struts, chrome gear shift, AC & vent knobs, billet steering wheel spokes and pedals, AMX1397 Turbo-Intake Pipe.
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