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

370's and 435's

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Old Dec 21, 2009 | 11:22 PM
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Default 370's and 435's

What the difference in power? What power does the 5x12's make and what power does the 5x14's make?

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Old Dec 21, 2009 | 11:46 PM
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ive been told 5x.014s yield roughly 80-125 horsepower depending on your setup. but yet they are still very streetable (thats why i went with them). thats what im told at least. i like mine alot theyre very smooth
 
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Old Dec 22, 2009 | 05:17 AM
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i think those are a 75hp injector arent they.Ive got a set and it was sold as a 75hp upgrade
 
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Old Dec 22, 2009 | 01:25 PM
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did you get them form the same guys i did? im sure all the companies vary a little bit
 
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Old Dec 22, 2009 | 04:22 PM
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I got mine from tennessee diesel conversion.They are emd'd.
 
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Old Dec 22, 2009 | 08:32 PM
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so 435's are 75hp upgrades? What are 370's?
 
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Old Dec 22, 2009 | 09:17 PM
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You cant go by these hp figures to say you have"x" amount of horsepower over stock.These figures are the maximum capabilities of the injector,not what you get by installing the injector.Without turning the fuel up,you wont even see an increase if you have the early non-intercooled injectors.The 100-150 figure may be right because mine are special 5-hole for a 4bt.
 
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Old Dec 22, 2009 | 09:57 PM
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from what ive heard and read the 370's and 435's are mostly good for towing trucks but dont have the best spray pattern for a daily truck. thats why i turned away from them and went to 5x.14's. but i could be wrong. talk to smokem if you want good advice on injectors, seems like he is on top of his game with this stuff
 
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Old Dec 22, 2009 | 10:04 PM
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Originally Posted by stillcummin
You cant go by these hp figures to say you have"x" amount of horsepower over stock.These figures are the maximum capabilities of the injector,not what you get by installing the injector.Without turning the fuel up,you wont even see an increase if you have the early non-intercooled injectors.The 100-150 figure may be right because mine are special 5-hole for a 4bt.
Yes I know that.
 
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Old Dec 25, 2009 | 06:51 PM
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so is their a huge difference between the 2? Their's $75 price difference, so tring to figure out which one to go with.
 
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