If you want to supply a lift pump better, do a sump and ditch the stock crap lines.
A regulator will not change shit.
A regulator will not change shit.
Please look at log.
- Thread starter red1977
- Start date
If his regulator is bad it would change. Sumps are great but my pick up tube doesnt give me any issues and being 1/2 inside diameter it flows great
your also running dual pumps
ive seen plenty of stock truck with fresh stock CP3s and/or fresh stock injectors hold 3250uS with an actual rail of 23k with demand at 23k on LB7s/LLYs and 26k actual and 26k demanded on LBZs. all of them had stock pick ups, a lift pump (ones that use the factory draw straw), intake and exhaust, and the big tune. If the CP3 is worn, its only going to get worse. adding all them things will help, specially if you plan on going big fuel but otherwise, i couldnt justify it.
x2.
Yes but it helped me with stock setup 
way before dual pumps the pump had a hard time pulling right when the truck started put the draw straw kit in and primed right up that way.
way before dual pumps the pump had a hard time pulling right when the truck started put the draw straw kit in and primed right up that way.
my pickup was 5/16 in the tank and 1/2" every where else... IF its 1/2 from the factory then there is other issues
i'm running a 1/2" cooper draw straw with a bulkhead fitting on the tank on my hotshot....no problems there... its still bigger then the stock 5/16 flex hose in the sending unit.
Graph it ? You can export data to excel or look at the dash page.
Or open the tune and replay the log file and watch individual parts of it eg: fuel prss, timing .....ect
You can log reg current and see if its a issue.
But the only thing I've ever seen a bad reg do is add to much fuel when its not suppose to.
Not saying it can't cause issues but I think if you can't hold rail...start looking at what makes the pressure. If the volume is there and not restricted from a bad filter and such.
I'm glad the pick up worked great for you. It never did a darn thing for me.lol
I think he's talking about the other graph chart Simmon with the lines in the middle and the numbers on bith sides.
Have you tried watching it with you v2 hooked up to computer?
Have you tried watching it with you v2 hooked up to computer?
In to the run it looks like:
Throttle positions 100%
Top RPM 3636
Top USEC 3040
Top Boost 31.7
MM3 94.0
Timing 27.0
Fuel Rail PSI 18445
Desired Rail 25962
You are loosing alot of rail.... I would be installing an LMM CP3 or what the hell Dual C's..... If you fuel this thing harder alot of potential there....
I had a problem holding rail not long ago and I threw a new cp3 at it and it still failed
The injectors were relieving pretty bad,new 60 overs and she was good as new.Sounds like you might need to visit Simons bottle test thread and see what it produces.
The injectors were relieving pretty bad,new 60 overs and she was good as new.Sounds like you might need to visit Simons bottle test thread and see what it produces.
@ 300,000 + you are probably money ahead to freshen up the entire fuel system......