Mod CP3 or duals?

G

GCarlton53

New member
Joined
Aug 9, 2010
Messages
71
To run a set of 90 hp or 150 hp injectors and a Smarty will a mod cp3 help or i are duals the only way to go? I have seen these big % pumps and i have had people tell me they are junk and u can only flow so much, and just go with duals to see a difference. any advice?
 
IMO alot has to do with what your doing with the truck. I know some pulling associations will only permit one injection pump for certain classes but I am not sure what your doing with your truck. Personally I don't see the big hoopla with dual pumps, it's a great setup but makes things look very cramped and limits classes.
 
Screw the duals, go with the II 120% single cp3.....it flows more than two stock pumps and diognistics is simple.
 
Duals every time, no comparison to a single, unless you have to run a single to stay in a particuler class. You can have duals for the cost of a modded single. Evil Twin Kit $1550, used pump $200-$400.
 
Older broke down pumps still wont flow as much as a nice modded pump cause they are rebuilt. The only reason for dual's is your running huge injectors. Cause there's guy's running 200 hp tips on a modded pump.

Plus with the Duramax it's just easier to go with the dual's since the CP3 is in the Valley. I say go with a single cause it does make the bay looked cramped. I like clean looks IMO.
 
SPEAKSUP said:
Older broke down pumps still wont flow as much as a nice modded pump cause they are rebuilt. The only reason for dual's is your running huge injectors. Cause there's guy's running 200 hp tips on a modded pump.

Plus with the Duramax it's just easier to go with the dual's since the CP3 is in the Valley. I say go with a single cause it does make the bay looked cramped. I like clean looks IMO.
Click to expand...

I didn't no smarty had a programmer for dmax's???




If your gonna do anything do duals. Do some research on here and you'll see.
 
Thanks, I want about 700 hp , trying to stay out of severe mods and internals. and it gets drove about 5k miles a year.
 
I say large single, It what im running on my puller. Im running a II single CP3 with large injectors in can hold 26k or better going down the pull track. I see no reason for dual pump's.
 
jordanjames81 said:
I say large single, It what im running on my puller. Im running a II single CP3 with large injectors in can hold 26k or better going down the pull track. I see no reason for dual pump's.
Click to expand...

I have no basis for this statement BUT......I imagine if you were to compare data logged graphs of large singles vs duals you would be able to see a difference in support of duals.
 
150's.??????....big singles are going to run them no sweat. Size the pump/pumps to the nozzles. I wouldn't complicate it with twin pumps either if thats all the nozzle you plan to run.


TheBigNasty said:
I have no basis for this statement BUT......I imagine if you were to compare data logged graphs of large singles vs duals you would be able to see a difference in support of duals.
Click to expand...

Data logs are pretty sweet of FCA PWM. Shows exactly how much pump your using....how much pump you have left.
 
Last edited:
The main advantage you will have with duals vs a single is low RPM PSI and more volume of fuel. I am running 150hp nozzles(looking to go bigger) and while staging at the track I see 23000psi before I am even moving vs my stock cp3 with 90hp nozzles that would be 10000psi while staging. Really helps 60' times IMO.
 
For 700 hp with 150 hp nozzles, a GOOD single pump will do it. Anything more and duals would be the way to go. I have personally seen good and bad pumps come from all of the bigger name shops.
 
Joesixpack said:
Data logs are pretty sweet of FCA PWM. Shows exactly how much pump your using....how much pump you have left.
Click to expand...

Yeah yeah keep bragging LOL

I was more thinking of a rail pressure log, I would imagine the duals would come on faster and have a smoother graph. But like I said, just how I think it would work....not necissarily how it does work.
 
You must log in or register to reply here.
Back
Top