With the 3.1 engine: Ignition on 52-59 psi, at idle 42-56 psi. With the 3.8 engine: Ignition on 48-54, at idle 38-51. Let me know if your's is supercharged the specs maybe different.
4.0 liter
4.0 liter fuel pressure
The 98 is supercharged is ther a diffrencwe
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What size of engine and whats the 8th number of the serial number?
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