Engine series B or ISB.
#2
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If it is a 24V with a VP44 (stock in 99 ) it's an ISB -
B-Series is for the displacement per cylinder, 6 cyl 5.9.
IS is for interactive system (electronic control, meaning you have an ECM and a VP44) so ISB .
B-Series is for the displacement per cylinder, 6 cyl 5.9.
IS is for interactive system (electronic control, meaning you have an ECM and a VP44) so ISB .
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