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12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

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I've got problems with my fuel heater, and I want to find out if anyone that lives in a real cold climate has removed it and noticed a difference? Where I live we get some days below -40 (Celsius or Fahrenheit). I have read that ... JOIN NOW TO REMOVE TRACER

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Old 09-01-2010, 03:18 PM
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Default Have you removed your fuel heater?

I've got problems with my fuel heater, and I want to find out if anyone that lives in a real cold climate has removed it and noticed a difference?

Where I live we get some days below -40 (Celsius or Fahrenheit). I have read that the fuel heater doesn't do much since it is located before the filter and injection pump, and that would seem to make sense.I know the truck probably won't start with out plugging in for a few hours, but just wondering if the fuel heater makes a difference.

jpfiero's Sig:'96 Dodge Ram 2500, cummins 5.9l 12v, ext. cab, long box, 5spd 4x4 - lightly bombed
'55 Caterpillar #12 motorgrader - unbombed
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  #2  
Old 09-01-2010, 03:26 PM
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dont worry about that pos

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96 12v with LBDP 5x.014s Smokem Specials dual fed modded afc aeromotive fuel pressure regulator no plate 2095 rack plug Airdog 4ghd 63/68 .88 over a 76/85 24cm 46mm tial external gate bd cool down timer 5k gsk 60lb springs Ati Balancer ats arc flow Arps 21 degrees Kdp killed Isspro gauges built tranny 5 inch tb to a single 6 inc tip and a 125hp shot

They go wooooooossssssssshhhhhh the the truck goes VROOOOOOOOOMMMMM then the trans goes f* this
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Old 09-01-2010, 03:29 PM
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Still have mine - not sure if it makes a difference or not. Probably not.

When it gets below -25 deg C my 12V does not like to run - even when its been plugged in for 6 hours and 0W40 synthetic oil.

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Old 09-01-2010, 08:21 PM
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I guess I'll try removing it and see what happens, sounds like I need to invent one that heats the fuel right before the injector.
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Old 09-01-2010, 08:45 PM
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I really cant see it doing much
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Old 09-01-2010, 08:48 PM
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mine had a short and melted the plug so i just took it off all together and never had a starting issue ever....it doesnt get that cold here but there were a few 0 degree days last winter and fired right up, had it plugged in all night of coarse.

brindle_bull's Sig:95 12 valve CTD ext. cab 2wd auto
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Old 09-03-2010, 06:05 PM
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I was going to ask the same question. I noticed when I pulled my motor the plug was melted bad enough it couldn't be unplugged so I cut the wires. When you guys removed it did you put any spacer or anything between the pump and block or trim the pushrod down? I was planning on removing the whole thing and making all new fuel line till I get an airdog but wasn't sure if the pushrod would be too long without it there. Sorry to hijack your thread man

bluetj's Sig:94 Dodge reg cab, 4x4, auto, 215 pump, 4" tbe, K&N cai, kdp killed, 285 bfgs, SOLD
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Old 09-03-2010, 07:51 PM
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you can just remove the fuel heater and leave the pre-screener bowl on the truck, here's directions:

-unscrew the bottom of the pre-screener/fuel heater assembly
-remove nut holding pre-screener in place
-remove pre-screener
-insert large allen key into center of threaded adapter and unscrew
-remove heater assembly
-reinstall pre-screener assembly directly to housing leaving out heater and threaded adapter

If you want to completely remove the pre-screener unit I guess you could cut off the base of the mount to use as a spacer for the lift pump. I wouldn't grind down the push rod because it rides on the cam shaft and if its not nice and smooth it may destroy the lobe it rides on and then you won't have any lift pump. I'm not sure it's a good idea to eliminate the prescreener, but maybe it's not very important.
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  #9  
Old 09-14-2010, 10:10 AM
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Take it off, it will eliminate problems later.

Floyd
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  #10  
Old 09-14-2010, 10:18 AM
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Originally Posted by jpfiero View Post
I guess I'll try removing it and see what happens, sounds like I need to invent one that heats the fuel right before the injector.
When a truck gells up it is usually in the filter, just use a good anti jelling additive in the winter.

tiremann9669's Sig: 96 12 valve Club Cab 4X4, K&N Intake,4'' Straight Pipe, 285/75R16 Bridgestone Revo's,on 16X8 American Racing Black steelies, Firestone ride rite airbags Future Bombs Guages, Aftermarket lift pump, Fuel plate, Injectors,etc,etc,etc Oh Yea I'm sure a clutch will come into the picture sometime too
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