Injectors 12 Valve Cummins
Hey i have 12 valve Cummins 1997 and i took my stock injectors out and replaces them with DDP injectors my MPG dropped about 200 so i backed my star wheel off and my stock fuel plate is slid full forward i got them pop tested and they were fine by BD diesel and said they spray pattern is 155 not 145 so is that fine or bad HELPP there stage 1 injectors so 50HP and when the truck is in idle and i put my foot on the throttle all the way down quickly smoke comes out whitish blueish and pops Timing may be out ???
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the truck pops when you floor it at and idle? thats called breaking down. if the truck breaks down at or before about 1250-1300 rpm is needs to be timed. some timing adjustment may solve all your problems
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what did you torque your injectors too
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also could be low fuel pressure. possible a crapped out OFV...
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sounds like you have the dirtier 4 hole marine injectors rated at 300-330hp. They sell new for about $360
don't time above 16-16.5* and you will be fine. check out our DAP injectors if you want some with the correct spray pattern. We have 5 and 7 hole options for the 12v |
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