upgrading a 92 to a p-pump - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 21 (permalink) Old 01-15-2008, 01:54 PM Thread Starter
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upgrading a 92 to a p-pump

I'm about ready to do the swap and I need all the pointers I can get. What all do I have to change? Just the timing cover or do I have to swap the timing gears too? I know I also have to change injector lines.

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post #2 of 21 (permalink) Old 01-15-2008, 04:06 PM
 
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Timing cover has to be changed but the cam has to be pulled to do so. You also have to use p pump lines with 2nd gen p pump injector bodies.Gears are all the same. Your gonna need a piston lift pump aswell.
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post #3 of 21 (permalink) Old 01-20-2008, 11:47 PM
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Do those have the injectors with the tips the different size? What do you do about that.
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post #4 of 21 (permalink) Old 01-21-2008, 12:13 AM
 
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The tip difference are on the bottom side where it goes in the head, not on top. Its been found to be a lot cheaper and a thousand times easier to sell what ya have and buy a p-pump motor, not to mention the other little stuff on the 94-98 12v that helps them be such power grabbers. Go to 1stgen.org to find all the benefits of the engine and the lack of reasoning in the swap.
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post #5 of 21 (permalink) Old 01-21-2008, 12:27 AM
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the 92 should have 7mm injector tips just like the 94-98 p-pumped engines so just swap out the injectors...also dont forget the oil line to the p-pump between the vacuum and IP on the block, Piston lift pump, Locate The pumps tdc and lock it with the pin on the side of the pump or use a dial indicator to retime the pump (dial indicator works better)

95 Dodge 3500HD 2WD 5.9--Mods-215 pump'd, .022 dv's, CDP modified 435's, ATS manifold, 4gsk, #100 plate, 15.5* timing, Studs, .020 marine head gasket, Autometer Cobalt Pyro boost and dpss gauges, Valair 13" clutch, yada yada...(totaled on 10-21-08 by an idiot)
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post #6 of 21 (permalink) Old 01-21-2008, 03:45 PM
 
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ya splnut is right should be 7mm head and unless your hg is popped Ide leave it alone and run that head. You can also time it by pinning the motor,pinning the pump then your in stock timing position.
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post #7 of 21 (permalink) Old 01-21-2008, 05:36 PM
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Quote:
the 92 should have 7mm injector tips just like the 94-98 p-pumped engines so just swap out the injectors.
The injectors will swap out. But the P-pump engines have a different piston than a 1st gen does. The spray angles are different between the two styles injectors.

Have a set of 1st gen tips installed and have the pop pressures set for the P-pump.

93 W350 w/duals, fuel pin turned, 6X.018" injectors, 4" exhaust, 3" air intake horn, HX40/16, G56 /SBC Con-OFE, 307's axles' 2" skyjacker lift, B&W flatbed
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post #8 of 21 (permalink) Old 01-21-2008, 08:35 PM
 
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In '94-95 the top ring landing changed from 14mm to 8mm and back to 14mm in '96-98. The piston bowl design only changed between the intercooled and non-intercooled motors, so all 7mm bore head motors use the same bowl design which means the spray pattern is not different. And your injectors are 6x0.018" not 6x0.0018", even though I doubt Jon went that route.
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post #9 of 21 (permalink) Old 01-21-2008, 09:53 PM Thread Starter
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If this cold would ever let up I'd get started at this swap.

01 2500 Duramax/ZF6,returned to daily driver590/995
03 3500 Duramax/Ally S/C IV EFI Live {Brothers truck}
04 3500 Duramax/Ally EFI Live,feed truck with 3 bale Hydra-Bed,very sick trans
06 4500 Duramax/Ally 4x4 Monroe,EFI Live,Danville turbo, CM flatbed
11 2500 Duramax/Ally 4x4 H&S tuned and deleted {GF's truck}
13 3500 Duramax/Ally 4x4 stock for a very short time
Some Green Equipment and a heard of Black Angus cows
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post #10 of 21 (permalink) Old 01-21-2008, 10:34 PM
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Quote:
Originally Posted by Philip
The injectors will swap out. But the P-pump engines have a different piston than a 1st gen does. The spray angles are different between the two styles injectors.

Have a set of 1st gen tips installed and have the pop pressures set for the P-pump.
98.5 and up moved the bowl to the center for the 24v engines...89-98.4 had the same bowl but had some slight changes thru the years to do with ring placement


Quote:
Originally Posted by Smokem
In '94-95 the top ring landing changed from 14mm to 8mm and back to 14mm in '96-98. The piston bowl design only changed between the intercooled and non-intercooled motors, so all 7mm bore head motors use the same bowl design which means the spray pattern is not different. And your injectors are 6x0.018" not 6x0.0018", even though I doubt Jon went that route.
6X .018 really?

95 Dodge 3500HD 2WD 5.9--Mods-215 pump'd, .022 dv's, CDP modified 435's, ATS manifold, 4gsk, #100 plate, 15.5* timing, Studs, .020 marine head gasket, Autometer Cobalt Pyro boost and dpss gauges, Valair 13" clutch, yada yada...(totaled on 10-21-08 by an idiot)
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