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1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

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  #1  
Old 03-02-2013, 03:14 PM
CUMMINStagetcha19's Avatar
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Default Call me crazy.... 24v head?

Just a thought, But how would a 24v head work on a first gen truck. In the thoughts of performance, the four valves per cylinder flow much better than the 2 counterpart. Only thing I'm not sure of is how lines would work and if the increased flow would benefit us and the VE could keep it fueled etc and what it would do to egts.

CUMMINStagetcha19's Sig:92' W250, 240k miles, 47RH equipped, 3.55 gears, 315/75/16 C/T's, 3" straight pipe, stock turbo, K&N, rebuilt VE pump, new injectors, Scheid tuned and calibrated for 250hp.
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  #2  
Old 03-02-2013, 03:20 PM
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Jacob Boness
   
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Wrong piston design for the 24v injectors so you'd need to change them, custom injectors, custom lines and a few other things. What your trying to gain is not worth the effort unless this is an all out high hp build and even then a 12v with machining and runner intake can and will be more than adequate. I'd rather spend money elsewhere if I was you.

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  #3  
Old 03-02-2013, 03:23 PM
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Jacob Boness
   
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Oh and to flowing better than 2 valves. Not by as much as you think it would also I have a highly worked over 12v head on my puller that will flat out flow any 24v or is comparable to a full out 24v one.
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Old 03-03-2013, 11:19 AM
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What I was getting at. I didn't know what all would need to change. Would be cool to say I did it!
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  #5  
Old 03-04-2013, 09:42 PM
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would you be money ahead to just get a 24v motor and put the mechanical VE setup on it? I've seen them with P's so I assume it can be done. I've thought about this too

GrudgeGuy's Sig:93 W250 reg cab LE, new white and gold paint - built pump, non IC DV's, Denny T 2 pin, 366 spring, ported and ground internals, screw maxed, timing bumped, BD 40hp injectors, Mebuilt mandrel bent CAI, 16cm housing 4" turbo back, Holley LP, good power and tows the 74 Duster with ease
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Old 03-04-2013, 09:48 PM
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valve-train drive conversion would also be .... involved.... I presume. You want to have too many valves, get one that was already made with too many valves, and don't use a VE . Go to a P . Or do like that other guy and port your existing properly-numbered-heads really well.

geddy's uncle's Sig:My truck: "Tiny" '98 QC LB 2500 12-valve, G56, hybridized t-case (long story).
Son's truck: "Da Beast" '90 RamCharger, 12-valve from a '92, NV4500/NP205, matched D-60s, RhinoCoat inside and out.
Daughter's baby beast: '06 Liberty CRD, nearly bone-stock except for an oil-mist trap between the "hockey puck" and the turbine inlet's airhorn
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Old 03-05-2013, 02:34 PM
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im working on injector sleeves, so that you can just drop the 12valve injectors in and use the fuel lines, all you would need to do is just change pistons.

should have something by late spring.

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TAKING WIFE TO STORE, HIT A BUMP, WIFE ASKED "WHAT WAS THAT" I SAID " A HONDA"

93 Dodge D350 Dually.(5x14, 3 piece manifold, denny T 2 pin, hx40, head ported, marine pistons,premium rings, marine cooling nozzles, 24v water pump, high output oil pump,cermic clutch, euro2 camshaft, 60lbs springs, 24v pushrods & tappets, piston style Lp )
2006 JETTA TDI
07 MEGACAB
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