5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

Do i have aftermarket injectors ?

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  #1  
Old 05-20-2009, 12:28 AM
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Default Do i have aftermarket injectors ?

I am still pondering if the last guy put injectors in my truck before he sold it,

What's the best way to test before i go and pull one out ? Even if i pull one out, what should i look for on the injector ?

I can produce some decent amount of power with only a FASS and S300 turbo'

if i get on it hard from a stop i can see some light smog out the pipe, and i can make an intersection unbearable.

I haven't seen my EGT's up any higher than 1150 under full boost even with the BD boost fooler in there and running 35#'s of boost.

What do i need to do ?!
 
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Old 05-20-2009, 01:04 AM
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i doubt it, most likely you have stock ones, if your egts are only getting to 1150 that is what makes me believe you have stockers
 
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Old 05-20-2009, 01:11 AM
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you can look at the tips and see how many holes there is and if some are larger than others
 
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Old 05-20-2009, 10:17 PM
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Count the holes in the tip. Stock are 7 holes. However, just because you have 7 doesn't mean its stock, and telling a difference in hone size is hard because the difference is literally at most a couple thousandths of an inch.

Only seeing 1150 without a fueling box and having an s300 on there leads me to believe he might have some injectors in there. I have small towing twins, and with 110hp injectors and a drag comp cranked all the way up I can only see 1100. Buy some aftermarket injectors and you'll know for sure that you do. Or switch out some other stockers and see if you notice a difference.
Sean
 
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Old 05-21-2009, 02:02 AM
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That's what i was thinking, an S300 and a 4" full exhust should bring my EGTS way down.

Maybe he put some RV275's in there

i guess the only way is to run a set of stockers, or buy some new ones,

But i'd much rather buy my box when it comes time,

What's another 200 Deg' on the pyro ?!
 
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Old 05-21-2009, 09:43 AM
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I'd say yes you have aftermarket injectors. With my 150's and the adrenaline off it gets close to the same egt's as yours.
 
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