I put a HPOP gauge on my truck today.

[907DAVE]

You might have a HPO leak some where, how are your injector o-rings?

Does the oil reservoir ever drain down after parked for a long time?

[hayjayhorses]

yes the HPOP reservoir will drain down after a few days of sitting I have checked it by unscrewing the oil pressure switch on the top of the reservoir an dropping a screw driver down there, and there is like an 1/8" of oil on the end.

But even with the oil reservoir empty the truck with fire right up and run, it just take 6 to 8 seconds for the oil pressure gauge to jump up to normal.

I have not pulled the injectors yet, I want to drop in the single shots when I get the chip back so I don't have a rough idle issue.

I have seen ripped/deteriorated O rings on a lot of OBS truck not really on SD

[907DAVE]

Sounds like you may have an upper injector o-ring(s) that are bad.

[hayjayhorses]

I will pull my injectors tomarrow and see. thanks

do know how rough the idle is, using single shots in a SD with no tuneing?

[907DAVE]

Its rough.......like having a lope tune without the tune.

Of course that was with my 238/100% hybrids on split tuning, so I am not sure how bad it will be with your injectors.

[hayjayhorses]

Well i am going to throw in the sngle shots and see what happens.

[hayjayhorses]

I pulled my injectors. Before I pulled the injectors I ran the engine with the valve covers off and on 5 injectors oil was spiting from the hole in the spacer between the armature and the solenoid. Some shot a small amount and other a lot.

Any answer on why this happens?

As for the O rings I found all the top square O rings were pushed up in one spot were the steel ring is open or split, on a few of them the gap in the steel ring was more then 3/8”. One square O ring was broke in this spot. As for the round O ring just below the square O ring, they all appear to be fine.

I am going back up to the farm to install some single shots I did a Rosewood DIY rebuild on. Then I will post the results.

[88Racing]

That's interesting that the o-rings would push up like that I would assume to see more split ones than anything?

[907DAVE]

Originally Posted by hayjayhorses

I pulled my injectors. Before I pulled the injectors I ran the engine with the valve covers off and on 5 injectors oil was spiting from the hole in the spacer between the armature and the solenoid. Some shot a small amount and other a lot.

Any answer on why this happens?

Sounds like the upper seat in the poppet valve is worn allowing oil to sneak by. IIRC there shouldn't be oil spitting out of those holes anyways.

As for the O rings I found all the top square O rings were pushed up in one spot were the steel ring is open or split, on a few of them the gap in the steel ring was more then 3/8”. One square O ring was broke in this spot. As for the round O ring just below the square O ring, they all appear to be fine.

I have seen that a few times as well.

I am going back up to the farm to install some single shots I did a Rosewood DIY rebuild on. Then I will post the results.

Cant wait to see how it changes ICP with the new injectors.