Where to go next with my truck? - Diesel Bombers



24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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Old 11-19-2012, 04:42 PM
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Default Where to go next with my truck?

Here's my new to me 99 24v. Mods listed in signature. Where should I go next performance wise? This truck is my DD and I want to maintain decent fuel economy but the more power the better. Also, I plan to add tow mirrors, new head and tail lights, and a road rhino front bumper shortly. Any other recommendations?






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Old 11-19-2012, 05:10 PM
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How are your EGT's? Looks like you have the fuel to support a bigger turbo, or a second turbo.

Done head studs yet? Bet your boost it to a point where they are needed.

If you don't tow a lot, electric fans will help with both power and economy.

Good looking rig!
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Old 11-19-2012, 07:25 PM
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Originally Posted by RAWilliams View Post
How are your EGT's? Looks like you have the fuel to support a bigger turbo, or a second turbo.

Done head studs yet? Bet your boost it to a point where they are needed.

If you don't tow a lot, electric fans will help with both power and economy.

Good looking rig!
EGT's are ~300 degrees when cruising and never any higher than 900 degrees under full throttle. No head studs yet, currently at 44psi. So, i guess i could do head studs, and more boost. Would you recommend a larger single or compound boost?
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Old 11-19-2012, 07:36 PM
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Where is your pyro? Those numbers are way too low to be accurate.

An upgraded single is more cost efficient, but is typically lazier. Compounds are pretty much unbeatable, that's why most high HP rigs run them. I have great driveability, but still have LOTS of airflow to keep things cool.

Head studs are cheap insurance to keep a guy going.
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Old 11-19-2012, 07:39 PM
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Originally Posted by RAWilliams View Post
Where is your pyro? Those numbers are way too low to be accurate.

An upgraded single is more cost efficient, but is typically lazier. Compounds are pretty much unbeatable, that's why most high HP rigs run them. I have great driveability, but still have LOTS of airflow to keep things cool.

Head studs are cheap insurance to keep a guy going.
pyro looks to be tapped into the manifold. I'll pay more attention to it tomorrow on the way to school, but I've yet to notice it climb past 900 degrees under full throttle.
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Old 11-19-2012, 07:55 PM
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I bet your actually 1400* or higher under WOT. With a Comp, and 150 injectors, that's A LOT of fuel for a stock turbo.

With 65 HP injectors, and a Comp, I could hit 1600* when the plug on my wastegate came out. HY35 turbo.
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Old 11-20-2012, 02:47 PM
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I bet your actually 1400* or higher under WOT. With a Comp, and 150 injectors, that's A LOT of fuel for a stock turbo.

With 65 HP injectors, and a Comp, I could hit 1600* when the plug on my wastegate came out. HY35 turbo.
wouldn't surprise me as I tend to favor the fuel pressure gauge due to some problem I had early on. I'll definitely keep an eye on it tomorrow and report back to you. Assuming I do head studs and say a hx40 for now, what power levels could I expect and how much boost could i push?

---AutoMerged DoublePost---

you were right, after watching the pyro today, i noticed 700-800 cruising and ~1250 under full throttle.

Last edited by sootlife_24v; 11-20-2012 at 02:47 PM. Reason: Automerged Doublepost
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Old 11-20-2012, 02:58 PM
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Even 1250 seems a little low to me.

HX40's have weak shafts. With head studs, I would suggest a HX35/40 instead of a HX40. I've heard of 55psi of boost from theses turbos. Could get you into the 425-450hp range.
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