you will still want to get it tiimed correctly, a qoute from one of mel's write-ups:
"In closing, a final comment, with regard to pump timing. A properly timed pump can make the difference between a great truck which the owner loves to drive and wants to keep, and a truck that the owner feels he may have wasted his money on.* In almost all cases, when the injection pump mark is aligned with the mark provided on the pump gear housing (known as being “static timed”), the pump will be retarded several degrees.* The result is a smooth running engine, with very clear exhaust and the owner may find the performance to be satisfactory.* However, until the pump is advanced to 8.5 degrees (factory spec) BTDC using the pulse method, the true performance of the engine will not be realized.* A properly timed engine (which has been dynamically timed with special equipment) will have significantly more pick up, and much better fuel economy that one that is static timed.* It will also smoke a bit more!* Therefore, in order to get the most out of your new fuel system, it is highly recommended that you seek out a qualified shop to perform dynamic timing on your truck.* Use caution!* Many shops “time by ear” and do not have the actual equipment.* I consider myself to do very well timing by ear, but I have found that I can be as much as 2 degrees off.* Factory spec allows for 1 degree of deviation.* Get a shop that has a good and valid timing meter for the job!* You really can’t substitute the functionality of a good quality tool."
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