5.9L Rotary Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps Related To Performance And Longevity

hx35(w) vs hx40 vs s300

Old Dec 16, 2009 | 11:36 AM
  #11  
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Originally Posted by peobryant
A regular HX40 has the same shaft as an HX35. They are by no means "weak." Have you ever heard of a 1st Gen breaking an HX40's shaft? Nope, me neither. The people who break shafts on HX40's are the 500rwhp P-Pump pulling trucks who have absolutely no buisness running one.

You have nothing to worry about running an HX40 on a 1st Gen. That being said, they also make "Super HX40's" which have stronger shafts, a 7 blade wheel and move more air than a standard HX40.
i will not be anywhere close to that power range. and no dyno runs for me either its just a driver. will any hx40 turbo work like one off a car, as long as its a t3 flange, or do i have to make sure it from a truck. are they all the same?

and also what about a he351 ive heard alot of good about those. whats th eplus and minus with putting one of those in a 1st gen. im moving a good amount of fuel and my turbo now just cant keep up
 
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Old Dec 16, 2009 | 11:52 AM
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there is nothing wrong with an hx40 great turbo a 14cm housing is good i would at least try and find a 62mm compressor whell imo for your truck
 
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Old Dec 16, 2009 | 12:40 PM
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Originally Posted by peobryant
A regular HX40 has the same shaft as an HX35. They are by no means "weak." Have you ever heard of a 1st Gen breaking an HX40's shaft? Nope, me neither. The people who break shafts on HX40's are the 500rwhp P-Pump pulling trucks who have absolutely no buisness running one.

You have nothing to worry about running an HX40 on a 1st Gen. That being said, they also make "Super HX40's" which have stronger shafts, a 7 blade wheel and move more air than a standard HX40.
Excelent point. Yes an HX40's weakpoint is the shaft, and I hear a lot of crap talked about that, but really?? Before the s300 became popular, HX40 was the turbo to have. For what you need out of a turbo, the Hx40 will do fine. You are pushing plenty of fuel to make that baby spool, and I have a hard time imagining you blowing up it up. As long as it is a T3 turbo, it will bolt on. Ricer guys take their turbos off our trucks and use them all the time.
 
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Old Dec 16, 2009 | 12:55 PM
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The least expensive route to take is to find a local or close scrap yard that has big trucks. Then find a Ford L8000 series truck with a cummins 8.3L. That will have the hx40 you are looking for. Also find a vehicle with a c7 cat engine and that will have the s300 you could have! Thats how i got my s300. Had to fab a downpipe but i'm very happy with it. Much better than a holset IMO. Either way, thats the best way to get a turbo.
 
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Old Dec 16, 2009 | 09:18 PM
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well i found a fresh genuine holset (not ebay emusa) hx40 locally for 280 bucks so i bought it. its 3 hours away so hes just shipping it to me i should see it on friday. its got a 16cm housing so thats cool because i tow as well and it also has a 4" v band so downpipe should be easy. hopefully itll still spool with all the fuel im pushin
 
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Old Dec 16, 2009 | 10:23 PM
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good luck gotta tell us how it works out
 
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Old Dec 17, 2009 | 02:54 PM
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will do. if anyone has a spare hx40 downpipe layin around let me know

---AutoMerged DoublePost---

anyone know if a hx40 is the same length, shorter, or longer than an h1c? judging by the pics they look about the same length. anyone know?
 

Last edited by tltruckparts; Dec 17, 2009 at 02:54 PM. Reason: Automerged Doublepost
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Old Dec 17, 2009 | 03:35 PM
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i have n hx35w with a 14cm wastegated housin and there longer than the h1c buy an 1 1/4"
 
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Old Dec 17, 2009 | 05:51 PM
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thats going to kill me for firewall space. i tried winning a bid on ebay for a cobra head 4" flange that dropped straight down for the donwpipe so i can have room. anyone know where to get those?
 
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Old Dec 17, 2009 | 09:07 PM
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i think source automotive has flanges..... don't know if any drop straight down tho
 
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