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5.9L CR Performance Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection Related To Performance And Longevity

phat shaft 62 vs factory turbo = big difference in mpg?

   
Old Jul 10, 2010 | 04:06 AM
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  #21  
ehaze's Avatar
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Originally Posted by kazairl
Not that I'm saying that a s300 isn't better than an he351, I'm just curious why you went with a 62 as opposed to a 64 or 66.

just realized he has a phat shaft and not a super phat shaft
the 62 was on the truck when i purchased it.

wouldn't mind moving to a 64.

how would i know if it's a super phat?
 
Last edited by ehaze; Jul 10, 2010 at 04:12 AM.
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Old Jul 10, 2010 | 06:17 PM
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OK I'm down to 500. now! Still waiting!
 
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Old Jul 10, 2010 | 11:25 PM
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A super phat shaft has a 71 mm turbine wheel. A phat shaft has a 65 mm turbine whee(same as an HTB2) Short of taking the exhaust housing off and measuring the wheel I don't know if there is an easy way to tell. Unless II stamps it on the housing or in the model number somewhere.
 
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Old Jul 16, 2010 | 08:06 AM
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after two tanks and hand calculating the mpg, I'm sitting at 15mpg.

90% of my driving is on the HW and i average around 70mph (smarty on level 1).

is 15mpg bad?

 
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Old Jul 16, 2010 | 11:50 AM
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yeah 15mpg is terrible unless you have 44" tires
 
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Old Jul 16, 2010 | 11:50 AM
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break them in like ur gonna use it if u pull alot pull with it now thats what i alwas say
 
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Old Jul 18, 2010 | 02:25 PM
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guess i was wrong, it appears to be a super phat 62/80.

(turbo looks wet because i just finished cleaning it)

guess i wont be buying another turbo.

 
Last edited by ehaze; Jul 18, 2010 at 02:27 PM.
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Old Jul 18, 2010 | 03:40 PM
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You probably need for fuel for that turbo.


Luke
 
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Old Jul 18, 2010 | 03:50 PM
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plan:
turbo
90hp injectors
~80% cp3
studs
 
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Old Jul 18, 2010 | 04:01 PM
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