After the manufacturing facility injection traces had been disconnected from both of those the head and VP44, Bosie capped off the feed tubes in The top and turned his notice towards the removal of your manufacturing facility fuel filter reservoir.
Your very best wager might be to try and do a lookup on P-pump conversions. I've in no way carried out a single, but there are plenty of individuals that have. Quite a few folks have performed the swap on their own, but it really demands really a listing of components.
Following the lines ended up tightened up, Bosie went in advance and ran the valves and reinstalled the valve go over.
Although the P7100 is fairly difficult internally, it can be vastly a lot more reliable when compared to the electronic VP44. When people today communicate regarding the five.9L Cummins’ million-mile toughness, it nearly always revolves about a twelve-valve version equipped With all the P-pump. So far as overall performance is worried, the P7100 presents you the opportunity to sport a 160hp truck or a single generating north of 1,000 ponies with limitless significant-rpm fueling likely.
Heading over and above the freebie mods, another rational phase should be to take a look at the pump’s delivery valves. The shipping and delivery valves are positioned inside shipping and delivery valve holders, the two of which happen to be positioned in between the plunger and barrel assemblies as well as the injection strains that feed fuel on the injectors.
Another buy of business noticed Bosie take out the ECM within the tappet address. Though the ECM should be retained (and relocated) inside the conversion, it will no longer have everything to perform with throttle placement.
And when coupled to your 24-valve engine you obtain to take advantage of the higher flowing (4-valve) cylinder head, which implies you are able to run a larger turbocharger without sacrificing very low-conclude drivability. Last but not least, there are no electronics to bother with failing, specifically the pc married to your VP44 that’s notorious for giving up the ghost at one of the most inopportune time.
Pointless actually. VP's last no less than 100k with right gasoline provide. I do not know just how much time and cash would be included To place a p-pump over a 24 valve, but I am confident It's not a small number of either. The amount of vp44's can you buy for what a p-pump conversion expenditures? Not surprisingly everyone has their priorities. IF you like to spend buckets of cash with your pickup and/or you will be fascinated with sled pulling and drag racing your truck and you think you require no matter what energy benefits a p-pump may or may not posses (I don't know), then the swap is for you personally.
The gas plate controls the most gas output in the P7100, as well as the inventory unit is conservative to say the minimum. Whilst there is not any scarcity of aftermarket gas plate selections (in conjunction with plenty of custom made-designed, 1-off versions), getting rid of the gasoline plate completely will produce much more rack travel and sizeable electrical power gains (normally 35 to forty hp).
Though modifying the star wheel boosts rack vacation, the manufacturing unit rack plug will only make it possible for a great deal of gas to the plungers and barrels. The favored “Mack rack plug” demonstrated over increases rack journey from 19 mm (inventory) to 21 mm.
When the pump lock was spun all-around, the pump gear could possibly be torqued to spec. Which has a aiding hand trying to keep the crank from turning, the pump equipment nut was tightened to a hundred and forty four ft-lb.
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Soon after one particular exam match, the return line around the P7100 was tweaked to obvious the ingestion runner on the head and after that the pump was installed in the gear housing. The pump mounts for the gear housing by means of four bolts, and gets bolstered because of a hefty-duty support bracket equipped in Scheid’s conversion package.
This marvel of mechanical engineering is reasonably intricate. Imagine the P-pump to be a mini inline-6 cylinder engine bolted for the facet of your inline-six cylinder engine. There are several shifting areas inside of.