1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Finding More From the VE

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Old 07-24-2012, 09:48 AM
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So i am at the point where i want to find every bit of power my ve pump on my 93 can produce and i need your guys help! heres a list of what ive already got done:
-Bosch 4200rpm gov spring
-Denny T stage 2 Fuel Pin
-Fuel Screw close to runaway
-AFC lever grinded
-Starwheel bottomed out
-Heavier 89-early 91 style fuel pin afc spring
-Smoke screw bottomed
-Speed screw/WOT stop removed
-Advanced timing a little more then 1/8 inch
-about to reclock the throtle shaft index 1 tooth and grind lever to adjust idle
what else can i do to this pump this is about all the info i can find and the truck runs pretty good w this but im trying to make serious p pump contending power numbers with a ve but still keep it streetable i dont want to spent $2500 on a non streetable 14mm id like to here some reviews about the streetability/longevity of a 13mm but id like to stay 12mm. I understand that i still need to play with the tuning of my afc to get everything dialed in just right but i need all i can get out of this pump, any help is greatly appreciated!
 
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Old 07-24-2012, 10:29 AM
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you say you want to get your afc dialed in... you arent going to do that with the afc lever ground and your smoke screw buried. also you probably can do more than 1/8" timing, like 3/16-1/4".

what size injectors are you going to run? the factory intercooled injectors are pretty tiny and won't make anywhere near a modified ppump power.
 
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Old 07-24-2012, 01:47 PM
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im going to run a set of 5X14s form my man nick at lowbudget for airflow ive chose an hx35 w adjustable boost elbow over an HT3B this isa common set up very streele an i can still make big power and i know i have smoke scew burried but that was before i understood tuning, i know i need to play w the starwheel and the smoke screw at the track one night to see what i can come up with
 
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Old 07-25-2012, 06:13 PM
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If it helps i had m&h make me a dual inlet manifold and y pipe for mine! helped egts and cleaned up the smoke. mine is non intercooled and the fuel screw is in some and afc down with a pin and it has all the power you could use for pulling. (and i pull a 12000 lb toyhauler) I need to figure out how to post pics but they did a graet job at m&h! and it was cheap!
 
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Old 07-25-2012, 11:46 PM
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I dont tow im trying to build a streetable drag truck, im wanting to compete w the highest hp VE first gens (12mm fuel only trucks) so i need everything i can get out of this pump
 
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Old 07-26-2012, 12:17 AM
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cool!! I have a low 9sec. nova for that!!
 
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Old 07-26-2012, 09:05 AM
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Originally Posted by Cummins12Club
I dont tow im trying to build a streetable drag truck, im wanting to compete w the highest hp VE first gens (12mm fuel only trucks) so i need everything i can get out of this pump
youre going to need quite a bit then. injectors like 6x.016/5x.018 or in that area, at a minimum 1 tooth advanced on the pump timing with a timing spacer, ported head with o-rings, a big intercooler and piping, and probably an s300 like a 62/65/14 instead of the hx35... or a big shot of No2 with a big external gate.

what are you going to do for a transmission?
 
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Old 07-26-2012, 09:25 AM
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ill be running 5x14 injectors, a coumpound set up, hx35 over ht3b istill have to jump the timing gear and id like to see what itll do w o head porting i am studed as wel, also need good valve springs and an electronic lift pump so i can actually use my 4000 rpms
 
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Old 07-26-2012, 09:57 AM
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Originally Posted by JBradley500
youre going to need quite a bit then. injectors like 6x.016/5x.018 or in that area, at a minimum 1 tooth advanced on the pump timing with a timing spacer, ported head with o-rings, a big intercooler and piping, and probably an s300 like a 62/65/14 instead of the hx35... or a big shot of No2 with a big external gate.

what are you going to do for a transmission?
What he said. 5x14s will not be getting all you can out of your pump.

Sent with a Droid RAZR in one hand and 14,000 volts in the other.
 
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Old 07-26-2012, 11:52 PM
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any injectors bigger then 5x14 will be too smokey on the top turbo, nick lusk from lowbudgetdiesel is my man and he knows his stuff 6 hole spray patterns are stupid on 12v the fuel hits the side of the cylinder wall not the bowl like it should 6 holes are for 24vs
 


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