So I recently just got my truck and I took it on a drive down to Virginia, she ended up breaking down on me and I found out that my cp3 pump went out because it couldn’t support the s467 turbo and possibly bigger injectors. I didn’t know about it having an aftermarket turbo or injectors and I’m guessing the guy that sold it to me didn’t either. So my question is with my cp3 pump being shot and possibly my injectors now, what set up should I run? I don’t want nor need to make crazy power and I don’t want to have to spend over 4-5k on a new set up. Any suggestions?
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October's Cummins of the Month, Pumpkin Spice (fall / halloween), is now open for entries!
Zoomy_Summy
So I recently just got my truck and I took it on a drive down to Virginia, she ended up breaking down on me and I found out that my cp3 pump went out because it couldn’t support the s467 turbo and possibly bigger injectors. I didn’t know about it having an aftermarket turbo or injectors and I’m guessing the guy that sold it to me didn’t either. So my question is with my cp3 pump being shot and possibly my injectors now, what set up should I run? I don’t want nor need to make crazy power and I don’t want to have to spend over 4-5k on a new set up. Any suggestions?
Nv5600
If it were me, and given what you have told us, this would be my choice.
Fleece | 2003-2007 Dodge Ram 5.9L Cummins CP3K Injector Pump
The Fleece Performance CP3K for the 5.9L Cummins is a modified 6.7L CP3 designed to eliminate the factory fuel flow restriction that begins at 3,000 RPM. If you have a stock CP3 pump you are losing fuel flow and rail pressure over 3000 RPM, which correlates to lost horsepower when you need it...
ddpmotorsports.com
Before going the route of injectors and cp3 lets make sure you actually have an aftermarket lift pump.
You can have bigger pumps/injectors but if you don't have low pressure fuel system that can supply that cp3 enough fuel then your wasting your time.
If you go with a larger pump and injectors youll want to make sure you can keep fuel pressure up while pushing more fuel, if not then youll starve the cp3 and injectors potentially having them fail.
This could be why they went in the first place if the tune is pushing those stock injectors but failing to provide enough supply fuel pressure.
That s467 is a large turbo for your truck, hopefully it has a 0.91 housing or it will take a few business days to fully spool.
That s467 is capable of 800-850hp if pushed enough, if you want more power but not running the turbo to its limits then id recommend 60% overs and a 10mm cp3
With the larger turbo/pump/injectors this won't be a truck you'll want to tow heavy with
If this is a truck you'll daily and tow with then id recommend going down to an s364.5 sxe which will still be capable of about 600-650 if you want to push it but will spool 1000x better and be much more enjoyable even on stock fuel
You can have bigger pumps/injectors but if you don't have low pressure fuel system that can supply that cp3 enough fuel then your wasting your time.
If you go with a larger pump and injectors youll want to make sure you can keep fuel pressure up while pushing more fuel, if not then youll starve the cp3 and injectors potentially having them fail.
This could be why they went in the first place if the tune is pushing those stock injectors but failing to provide enough supply fuel pressure.
That s467 is a large turbo for your truck, hopefully it has a 0.91 housing or it will take a few business days to fully spool.
That s467 is capable of 800-850hp if pushed enough, if you want more power but not running the turbo to its limits then id recommend 60% overs and a 10mm cp3
With the larger turbo/pump/injectors this won't be a truck you'll want to tow heavy with
If this is a truck you'll daily and tow with then id recommend going down to an s364.5 sxe which will still be capable of about 600-650 if you want to push it but will spool 1000x better and be much more enjoyable even on stock fuel
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