LB7: Single Or Dual Cp3 ?

chevytuf01

chevytuf01

Dirty Deeds
Jul 2, 2010
261
0
0
Rileyville Virginia
I just picked up another cp3 pump for cheap for my LB7 .. I need some opinions ... Would it be a advantage to run two stock cp3 pumps or should i send one away and just one run a bigger single pump ... Any imput will be helpful
 
chevytuf01

chevytuf01

Dirty Deeds
Jul 2, 2010
261
0
0
Rileyville Virginia
so will 2 stock cp3 fuel a set of bigger injectors ? i wanna go bigger injectors and then a turbo and cant figure out which way is better .. everyone has there own opinion
 
PAT

PAT

EASY DAY
Aug 21, 2011
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your back yard
chevytuf01 said:
so will 2 stock cp3 fuel a set of bigger injectors ? i wanna go bigger injectors and then a turbo and cant figure out which way is better .. everyone has there own opinion
Click to expand...

They will fuel your truck enough to bend your rods lol you will have no problem keeping pressure with duals.

I say stay away From modded pumps bc they can be really touchy to tune and they are not as reliable. Sure people have had great results with them. There is also a lot of people that gained nothing but headaches from them. One of them being me :(
 
PAT

PAT

EASY DAY
Aug 21, 2011
1,100
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your back yard
With bigger injectors, you can run less pulse width. Less is a good thing. I'd go with a bigger turbo before I would go with bigger injectors. Just to keep everything nice and cool. (EGT's)
 
D

Dan@PPE

Diesel Enthusiast
Aug 8, 2006
2,570
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36
So Cal.
2 stock pumps should support about 1000rwhp (if pumps are in good shape). Let me know if you need a kit WITHOUT the pump.
 
BALBZ

BALBZ

Member
Aug 3, 2011
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6
Eastern Shore of MD
^^^^^ Take him up on the offer Dan will take care of you. I just ordered my kit tuesday couldnt say no to the price :thumb:

Oh yea and my vote is duel pumps all the way!
 
chevytuf01

chevytuf01

Dirty Deeds
Jul 2, 2010
261
0
0
Rileyville Virginia
will do dan i tried call the other week about the oil centrifuge but you were at lunch .. ill be getting in touch with you for sure i wanna get this pump looked at to make sure there is nothing wrong with it before i put it on
 
x MadMAX DIESEL

x MadMAX DIESEL

<<<< No Horsepower
Dec 30, 2008
7,535
1
38
34
Lexington, Ky
S Phinney said:
They are harder to time plus they seem to fail more often.

Sent from my DROID RAZR using Tapatalk
Click to expand...
What do you mean by time?






PAT said:
With bigger injectors, you can run less pulse width. Less is a good thing. I'd go with a bigger turbo before I would go with bigger injectors. Just to keep everything nice and cool. (EGT's)
Click to expand...
Also less timing which will help keep the fuel spray in the bowl where it needs to be.


Sent from my PC36100 using Tapatalk
 
cafryer

cafryer

New member
May 5, 2011
1,074
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0
Utah
Ive had both. I had a II 42% by its self and it ran great. Now i have a stock one with the modded one and the throttle response is way better and it does feel faster.
 
Sledhead

Sledhead

Mountain Pass Machine
Nov 29, 2008
884
0
16
BC
Is there anything to be gained by putting a weaker one paired with a stock one (untill I've recovered from the lift pump, dual cp3 install kit, etc).
 
chevytuf01

chevytuf01

Dirty Deeds
Jul 2, 2010
261
0
0
Rileyville Virginia
ok thanks guys ima send this pump away and get it checked before i go sticking it out cause the guy i got it from said he was getting fuel in the oil so im guessing it could be leaking from the shaft seal maybe ...
 
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