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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Does this sound normal?

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Old Feb 1, 2011 | 03:50 PM
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Does this sound normal?

1987 F250 Diesel with a C6 transmission.

When you step hard on the gas, the transmission will allow the engine to rev up to about 2500 RPMs, and then it will hold 2500 RPMS until it shifts into second, and still hold it until 3rd. Once in third and the speed catches the RPMs it will allow the engine to rev the rest of the way up to redline.

Does this sound normal, or like a slipping transmission to you guys?
 
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Old Feb 1, 2011 | 04:47 PM
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Either the trans is slipping or the converter is.
 
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