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Re: Improve mileage 350 with Quadrajet
ok,
made a mistake!
When I adjusted the timing I also connected the Heat Riser Valve in the exhuast to the SMOG port. Thereby closing half of my exhausts as asoon as I started the engine.
Still got low 8 mpg...I changed it. plugged the SMOG port and disconnected the Valve so all my exhausts are open all the time.
lets see what this does? right?
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