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#1
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I got the injectors back together and put them back in. I think the one injector had been sticking for a while. It runs much smoother at an idle, and is more consistent.
Spenser BTW Adam, I got the new turbo on and am loving it! (T3/T4 hybrid, spools much sooner and I still get 20 psi from it) |
#2
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That's always a welcome result!
Did you have to do much re-shimming to get them dialed in? No drips while holding pressure slightly below pop?
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1985 744 gle d24t 1985 745 gle d24t |
#3
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Quote:
Quote:
Spenser |
#4
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isn't 2300psi oem pressure?
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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 |
#5
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Ehh.. I should know this... But I thought it was closer to 2000? I'll look on the side of the injectors when I get home. Its stamped in bars..
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#6
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Quote:
http://m.ebay.com/itm/T3-48-Compress...=1387599756020 I did buy the 9cm housing, but it didn't fit the H1C. I forgot you just made a thread about pop pressure Russ. The reason I thought 2300 was higher than stock is the huge stack of shims in them. Maybe they had the wrong springs? I didn't build them, so I am unsure of their history. |
#7
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Greenbook specs conversion math is off.
Operation AG14 shows checking injector pop value 14.5 - 16.3 MPa (2062 - 2318 psi). Should be (2103 - 2364 psi), if my calculations are correct. Operation AG16 shows reconditioning injector pop to 15.2 - 16.3 MPa (1780 - 1920 psi). Should be (2205 - 2364 psi), if my calculations are correct. Operation AG15 shows leak testing injector to hold 13.5 MPa (1920 psi) ( Should be 1958 psi) for 10 seconds with no drip. I like to test that for longer, and for the nozzle face to not even start to get moist.
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1985 744 gle d24t 1985 745 gle d24t |
#8
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The set of stock injectors I have are stamped with '155 Bar'... 2248 psi.
The injectors in question are not stamped with anything, but with the amount of shims in them I'm wondering if they were from a rabbit motor and were originally set lower. Or maybe the springs were weak? Like I said, I don't know their history. At least I'm running stock pressures lol. I'll get the pop pressure up on the other set I have and install them at some point. These can stay in the engine for now. Thanks for the help, Spenser |
#9
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What are the specs on the new turbo? Did you get a chance to try the 9cm turbine on that Holset?
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12mm pump heads, ARP stud kits and GTD nozzles available! http://d24t.com/showthread.php?t=1646 NA intake manifolds and 240 turbo pans for sale. Need d24 or d24t parts? PM me! Shipments done on fridays! 1982 242 D24+T/M46- Super pumped! Build thread: http://www.d24t.com/showthread.php?t=1545 1984 764 D24T/ZF build thread: http://www.d24t.com/showthread.php?t=1734 Diesel parts cars: 82 244,83 244, 84 244, 84 245, 85 745 |
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