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Mike_Schriber's avatar
Mike_Schriber
Explorer
Aug 03, 2015

Unusual pinging issue (2005 Ford three valve V10)

I've been having a persistent and unusual pinging issue that just got worse on a recent trip. Typically, it would ping totally at random at or near full throttle, usually when going up a big hill. ...
Mike_Schriber's avatar
Mike_Schriber
Explorer
Aug 03, 2015
Really? At 25,000 pounds combined, WOT up the long, steep grades we have out west usually nets somewhere between 40 and 50 miles per hour. Anything less would drop the speed down into the 30 miles per hour range. That's not gonna happen.

The powertrain is designed for this. "Mechanical sympathy" isn't going to do anything but slow me down.

NinerBikes wrote:
What are you doing running it at full throttle up a grade in 95 F temps? Ever heard of mechanical sympathy?

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