2002 tiffin zephyr Cummins ISL?

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23
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SD
I don't think you have an ISL. Cummins ISL is a 9 liter diesel, I think you have a 500 HP ISM.
 
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8,051
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Michigan
Originally Posted by Koop
I don't think you have an ISL. Cummins ISL is a 9 liter diesel, I think you have a 500 HP ISM.
There used to be a 10-liter L-series Cummins engine. It peaked at 400 HP rating around 1991, then was stroked to become the 11-liter M. That thing has been boosted to 600 HP in pleasure marine applications... Then the 8.3L C-series was stroked to become the 8.9L L-series. Yeah, I'm sort of a Cummins nerd.
 

Jmoney7269

Thread starter
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127
Location
Texas, United states
Originally Posted by Koop
I don't think you have an ISL. Cummins ISL is a 9 liter diesel, I think you have a 500 HP ISM.
I know...... thanks I noticed it too late in the timespan allowed to edit
 
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