Quote:
Originally Posted by Gaz64
Injection should really occur after the exhaust valve shuts, say 40 ATDC or later at low engine speed, then bring them on earlier as the engine speeds up.
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It does what ever Ford programmed it to do; no modifications. I have read the injectors fire prior to the valve opening, but you know what they say. Only believe half of what you read and nothing you hear. I'm not sure what it does.
