Re: 5.7 with 4l80e in 1969
I just read that 1998 was the first year for Passlock in the trucks. IIRC, this system "marries" the lock cylinder to the PCM. There is a hall effect sensor in the lock cylinder that has to see a key rotate to start.
I'm sure this system can be defeated pretty easily. Do a search
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My Classics:
'72 K20 Suburban + '65 Dodge Town Wagon
'72 Corvette Roadster +'67 Corvette Roadster
'73 Z-28 Camaro
'63 Ford SWB Uni Pickup
'50 Ford Coupe
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