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1999 to 2003 7.3L Power Stroke Diesel
7.3L Power Stroke Diesel equipped Super Duty and Excursion.


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Old Fri, February 5th, 2010, 03:32 AM
wolfrace wolfrace is offline
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Default ?'s about whisper mode

Can I warm my truck up in whipser mode 5-15 mins?

what happen if I drive the the truck while I am in whisper mode?
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Old Fri, February 5th, 2010, 10:36 AM
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cleatus12r cleatus12r is offline
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Quote:
Originally Posted by wolfrace View Post
Can I warm my truck up in whipser mode 5-15 mins? If you can handle the smoky, stinky exhaust. Actually, I wouldn't recommend it due to the poor combustion and subsequent oil contamination with raw fuel that is possible.

what happen if I drive the the truck while I am in whisper mode? Your EGT will be a little higher and your fuel economy might suffer a bit.
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Old Sat, February 6th, 2010, 01:02 PM
wolfrace wolfrace is offline
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Thanks for all of your help Cody, I would just PM you but maybe somone else may have the same ?'s

I'll take that as a no to warm the truck up in whisper mode LOL.

So if I (or my wife) forgets to take the truck out of whipser mode will it damage the engine. I am not sure but I thought I read some where bill saying that the whisper mode shut off over 800prm I would like to know off into what (stock Maybe)
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Old Sat, February 6th, 2010, 02:11 PM
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No, the way Bill programs his whisper mode, it cuts start of injection advance by a certain number of degrees across the board, all the time.

I wouldn't say it is detrimental to engine longevity if you do start and run it while cold. I would try to avoid doing it though.
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