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Old 03-21-2017, 09:58 AM
R.Mojica R.Mojica is offline
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Join Date: May 2013
Location: Rockland county, NY
Vehicle: 85 745 D24Tic M46
Posts: 190
Default 2600 psi pop pressure.

So I realized today that I mixed up the numbers and had my injectors set to 2600 psi when I sent them out to have the GTD nozzles installed. I Drove the car about 80 miles and then set the injection pump timing to 1 mm. Prior to setting timing the Exhaust sounded pretty bad, almost like a misfire and crackly at lower revs , Little bit of blue smoke at idle which I've seen before with overly retarded timing. That's almost totally gone away now. I have a 12 mm super pump to put on still, should I put this pump on now and advanced timing a tad bit more or should I suck it up and send the injectors back and have them reset to 2400psi like I originally intended? either way I guess the pump has to go on. Question is in reference to my white 85, modifications are listed in my signature.
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99 Ram 2500 24V Cummins 199k
85 745 TD M46 170k (silver)
85 745 TD M46 251k (white) Holset HY35, 4" turbo back, n/a intake manifold, intercooled, GTD nozzles set to 2400psi @18psi. super pumped
86 745 TD auto 254k sold
Several other current gasser Volvos.
67 122S 72k (barn find)
89 760 TIC for sale non running.
93 850 5spd 396K.
94 850 Turbo (race car) 12.55@112.4
95 850 T-5R wagon yellow 199k
04 V70R Titanium/Atacama M66 245k
04 S60 2.5T awd 255k
06 XC90 V8 305k
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