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7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

       
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Old 04-29-2005, 11:08 PM   #1 (permalink)
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Adjusting injector pump?????

Ok when i adjust my injector pump i put in the hex head tool and it fells like it is slipping inside like its not gripping, but i believe its in there because i fell it click into something. maybe yall can tell me what im doing wrong? im using the little panel cover on the paasenger side with the two bolts now i saw a picture which i thought i saw another little panel cover on the driver's side? not sure please any help would work cause when i punch it really no black smoke comes out which i thought that may mean i dont have it tunred up to its full potential.

thanks alot..... [img]/ubbthreads/images/graemlins/shrug.gif[/img]
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Old 04-29-2005, 11:25 PM   #2 (permalink)
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Re: Adjusting injector pump?????

I think it is 5/32 allen. I used 90 degree allen wrench and 1/4 x 5/16 inch snapon offset boxend wrench with mirror to turn mine up. There is right much restitance to turn screw.
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Old 04-30-2005, 09:04 AM   #3 (permalink)
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Re: Adjusting injector pump?????

ok ill try that....
thanks
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1993 Ford F-350 IDI Diesel Crew Cab LWB Banks Sidewinder, Dual side exit 5" Exhaust, Soft Bed Cover, 2WD, Ranch Hand Front and Rear Bumpers, Boostlevel=14psi, 5speed trans, 2800 watt sound system, RedTop Holley FuelPump, 181,000 miles
250HP and 550 Torque @Wheels (w/o NOS)
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2003 Excursion Limited powerstroke, bd-power 80hp chip, single ATS exhaust, air intake and tv/dvd
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Old 04-30-2005, 11:14 AM   #4 (permalink)
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Re: Adjusting injector pump?????

Yes remember that it is pretty hard to turn. Also you might have the pump 180 degrees off. When I adjusted mine, I aligned the mark on the vibration damper to the 1'oclock position. I turned the crank back and forth till the allen wrench fell into what felt like a slot. I couldn't feel the allen bolt so I knew that I was 180 off. So then I marked a spot on the water pump (to align the vibration damper line to when I came back around) and then turned the motor/crank over exactly one full rotation. I aligned the damper line with the spot I marked, and the allen bolt was right there. Good luck.
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1989 F-250 7.3 IDI N/A. 4X4 Extended Cab Long Box, 5 speed, no muffler, Engine built by me. Injector Pump turned up about 145*. <font color="blue"> Sound clip (Straight piped)</font>

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Old 04-30-2005, 01:14 PM   #5 (permalink)
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Re: Adjusting injector pump?????

Article ..Click here.. with pictures on how to adjust it....

Zigg [img]/ubbthreads/images/graemlins/smile.gif[/img]
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Old 04-30-2005, 01:46 PM   #6 (permalink)
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Re: Adjusting injector pump?????


yes, the allen wrench is a 5/32. i took the allen wrench and cut off the elbow part. it was just a straight allen wrench. i took a 1/4" drive 5/32 socket and stuck the allen in it and used the rachet to adjust the set screw. it worked way better than a regular wrench and pliers! one thing to rememebr is to not damage the gasket on the triangular plate. you will use it again...............Gibson
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Old 04-30-2005, 06:40 PM   #7 (permalink)
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Re: Adjusting injector pump?????

ok thats all i need ed to know, i appreciate it. althought quick question, my egt's dont go over 750 now with the intercooler even when its to the floor on a hot day in texas like about 90 degrees, and it just pittles out a little bit of smoke when to the floor do you think that it may be turned up all the way, or if it was turned up all the way i would be getting alot more black smoke. cause before turbo and intercooler and no muffler i had a new IP put on and when i hit it it blew smoke like crazy which was awesome??? just wondering what yall's input on it would be...thanks [img]/ubbthreads/images/graemlins/shrug.gif[/img]
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250HP and 550 Torque @Wheels (w/o NOS)
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2003 Excursion Limited powerstroke, bd-power 80hp chip, single ATS exhaust, air intake and tv/dvd
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Old 04-30-2005, 07:59 PM   #8 (permalink)
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Re: Adjusting injector pump?????

Sounds like your Intercooler is working as it should. Have you adjusted your external fuel screw? If your internal is maxxed, just go ahead and put some more fuel to it with the external screw. That is where the majority of the fuel will come from once the internal is maxxed. Sounds like your truck is really running well, 12psi, 750 for EGT's.. Most guys dream of having a set up like that. I know I do. Scotty
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Old 04-30-2005, 11:14 PM   #9 (permalink)
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Re: Adjusting injector pump?????

Thanks, i cant complain the truck is running top notch and nothin major wrong except for the steering linkage but thats maybe because i do sometimes pull NASCAR turns. but otherwise i baby BIG GREEN my father took care of it pretty good too be for i got it. thanks to all yall that have helped me. this friday coming up if anyone is in houston May 7, me and my budies are going to be out running our trucks and cars at sealy drag strip (Lone Star Raceway) cause tommorrow im installing my nitrous system and try turning up the external fuel screw to see what that big mother can really do. then ill see what the extra does and then unscrew the bottle [img]/ubbthreads/images/graemlins/grin.gif[/img]
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1993 Ford F-350 IDI Diesel Crew Cab LWB Banks Sidewinder, Dual side exit 5" Exhaust, Soft Bed Cover, 2WD, Ranch Hand Front and Rear Bumpers, Boostlevel=14psi, 5speed trans, 2800 watt sound system, RedTop Holley FuelPump, 181,000 miles
250HP and 550 Torque @Wheels (w/o NOS)
http://community.webshots.com/user/coolmann64


2003 Excursion Limited powerstroke, bd-power 80hp chip, single ATS exhaust, air intake and tv/dvd
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Old 04-30-2005, 11:16 PM   #10 (permalink)
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Re: Adjusting injector pump?????

Well it's hard saying if you have your pump turned up all the way or not. A turbo adds more air to your engine and therefore burns the extra fuel better, so that is why it doesn't smoke as much anymore.
P.S. I the nitrous doesn't work please send the kit to me [img]/ubbthreads/images/graemlins/grin.gif[/img]!
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2001 F-250 Powerstroke 4X4, Automatic with Mobil 1 Synthetic ATF, Sonnax Shift Kit. Zoodad Mod, Airaid drop-in Filter, Muffler delete, Boost Fooler Kit, TC lockup switch, <font color="red"> DP-Tuner </font><font color="green"> F5 chip (60 Tow, 80 Econo, and 120 Race). </font> <font color="red">[i] Black Widow Diesel </font> <font color="green"> Turbonetics turbo with 0.84 Housing. </font> <font color="blue"> Sound clip (Straight Piped) </font>

1989 F-250 7.3 IDI N/A. 4X4 Extended Cab Long Box, 5 speed, no muffler, Engine built by me. Injector Pump turned up about 145*. <font color="blue"> Sound clip (Straight piped)</font>

<font color="#00FF00"> Genesis 1:1 </font> In the beginning, God created the heaven and the earth.
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