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post #5 of (permalink) Old 12-04-2013, 03:41 PM
Big Red 350
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From the 7.3 TSB regarding oil viscosity and cold weather

94-03 7.3 Idle Lope on Cold Start:
Ford has determined that the engine loping on a cold start is a characteristic of the engine. They are recommending to use a lower viscosity oil--10W-30 meeting API service CH-4 or CI4--to reduce the condition. They also suggest plugging in the block heater when outside temperatures are below 30 degrees and/or waiting up to two minutes with the key on before starting the engine to allow the glow plugs to fully heat the cylinders. Broadcast Message 1050.

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2000 F-350 Dually RWD, 7.3L 200K mi, Baldwin PA2818, Riffraff Billet Wheel, Riffraff FRx and HPx, Riffraff boots, Walker BTM, ISSPRO EV2 Pyro and Trans Temp, Scan Gauge II, and Hydra chip w/ PHP tunes

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