Offshoreonly.com - 454 cam change

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blr	08-29-2009 04:40 PM

454 cam change

1997 7.4 liter mpi has had a performance cam installed, the rpm fluctuates by about 50 rpm, is this normal??

The new cam is a crane 168731

ezstriper

09-01-2009 02:24 PM

did you re-program the ecm ?

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