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

GDS 60mm upgrade vs hx35

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Old Nov 27, 2009 | 01:02 PM
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Default GDS 60mm upgrade vs hx35

i have the stock h1c turbo on my truck and unfortunately i have the 21cm exhaust housing. so my question is wats the better deal for more get up and go plus i want some whistle
 
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Old Nov 27, 2009 | 01:28 PM
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HX35=56mm 60mm=60mm.
 
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Old Nov 27, 2009 | 01:30 PM
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so the h1c wit the upgrade is better than an hx35 and wat would be the best exhaust housing for either one
 
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Old Nov 27, 2009 | 01:42 PM
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If your h1c is in good shape(no excessive shaft play), the 60mm is a good, cheap(ish) upgrade. The 14 or 16cm exhaust hosing will let you spool up way quicker than your current big a$$ housing does. I went from 18cm to a 14cm housing and it's unbelievable the difference. As far as a singing turbo, The larger compressor wheel will increase the "whistle" but will greatly depend your exhaust, to let the sound come through.
 
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Old Nov 27, 2009 | 01:46 PM
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thnks muskrat so ur sayin a smaller housing is better? wont tht raise my egts a little? and im gettin 4" exhaust put on soon
 
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Old Nov 27, 2009 | 01:51 PM
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No, It won't hurt anything. alot of stock tubros came with a 12cm housing. The 21cm you have now is rediculously big. Commonly known as a lag monster. You will notice a raise in EGTs, but a 4" exhaust will cancle that out.
 
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Old Nov 27, 2009 | 01:54 PM
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ok thanks for the info man my dad is gettin me the gds upgrade for christmas and he got me hooked on the 1st gennys so would u recommend the 16cm over the 14cm or vise versa
 
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Old Nov 27, 2009 | 02:06 PM
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What are you using the truck for? If you're towing probably the 16cm, daily driver/hot rod, 14cm. the 14 will spool up alittle faster, but will have a little higher EGTs. I love my 14cm, though and haven't had any issues w/ EGTs.
 
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Old Nov 27, 2009 | 02:32 PM
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its a lesiuer truck no hauling except a dirtbike occasionally so i should proly get the 14cm right? and the egts should be fine with the 4" exhaust
 
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Old Nov 27, 2009 | 02:34 PM
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Yeah, I think the 14cm is pretty well rounded. BTW have you gotten gauges yet?
 
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