As you know, no factory car ever come with 2.5L and G head. But all the other engine setup use 12 degree as baseline.
As general, G Head require more timing than 782 head but 2.5L needs less...
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As you know, no factory car ever come with 2.5L and G head. But all the other engine setup use 12 degree as baseline.
As general, G Head require more timing than 782 head but 2.5L needs less...
12 degree spark timing with engine coolant temperature sensor unplugged.
Make sure the cam shaft is timed correctly. http://www.thedodgegarage.com/timing_belt.html
Contact FWD performance and see...