Performance and Accessories 2nd gen only Talk about Dodge/Cummins aftermarket products for second generation trucks here. Can include high-performance mods, or general accessories.

H.O. VP44 and Large Injectors

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Old Jan 8, 2009 | 11:37 PM
  #1  
JThomas's Avatar
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From: Gordonsville ,Tn
H.O. VP44 and Large Injectors

I have read that with the High Output vp44 150 Hp injectors are as large of injectors that you should run for peak horse power. But what happens when you run larger injectors "say 200 Hp +" do you get higher TQ numbers with about the same peak Hp ??
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Old Jan 9, 2009 | 08:34 PM
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More Power's Avatar
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From: NewMarshfield,Ohio
I dont know if it was just the dyno but i lost a little tq when i went to the mach 4 but they seem to drive a whole lot better other than heat. Look at my sig for dyno
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Old Jan 9, 2009 | 09:12 PM
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Mike Holmen's Avatar
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From: Airdrie Canada
You need a SO or a HRVP pump to get the larger injectors to work and pump out the ponies.
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Old Jan 10, 2009 | 01:09 PM
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From: Gordonsville ,Tn
I know that if i want more Hp i should run a S.O. pump But What happens if you run larger injectors with an H.O. pump
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Old Jan 10, 2009 | 11:14 PM
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From: stephenville, tx
the HO pump can only supply so much fuel before it falls on it's face, I don't know at what level it gives out, but it will. So if you keep going with bigger sticks you will reach a certain point where it won't do anything more then the last set of sticks did except cost you more money.
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