DIY: Holset HX30, HX35, HY35 turbos --- Just a thought? - Diesel Place : Chevrolet and GMC Diesel Truck Forums
 
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Old 05-22-2011, 08:36 PM   #1 (permalink)
prichmon
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Holset HX30, HX35, HY35 turbos --- Just a thought?

On my 1994 chevy c1500 6.5L; my mods are in my sig;

What is the differences between a HX and HY?

Would a HX30 be a possible alternative for low boost DD application for an efficiency improvement? I am running 7 psi currently.
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1994 GMC Yukon 6.5td, 4l80e auto, 354K miles, ssdiesel pmd on heat sink behind bumper, custom exhaust, flow master crossover and DP, 10 bolt 3.42 rear. Buddy chip 15psi, 93 lift 1 ton pump;aux tranny cooler, bosch glow plugs, aux 2 micron fuel filter, front and rear reese hitvh, firestone airbag rear springs, high capacity turbulator tranny pan, aux tranny filter, ARP Head studs, K47 air box, SS step bars, ball joints, front diff seals, cross drilled rotors, 2300+psi injectors,

SOLD...1994 c1500 ext cab sb 6.5td, 4l80e auto, 200K miles,

SOLD....1995 K1500 ext cab sb 6.5td, 4l80e auto, 286K miles,
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Old 05-24-2011, 11:48 PM   #2 (permalink)
WhiteK2500
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The difference between the HY35 and the HX35 are explained here post #2

The Hx/Hy35 would be the smallest I would go.
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98 3/4ton 4x4 RC LB F vin L65 HO.
DSG gear set, gurdle and oil cooler, ported and half assed polished heads, HE351VE turbo, 3" downpipe, 2.25" xover, 3.5" DNA muffler and a 4" weed burner exhaust, NRK High idle switch kit and K47 relocated intake & AEM filter, Royal Purple in the trans, engine, and rear diff, 4 cobalt gauges, boost, pyro, trans temp and drive pressure. -6 CAT fuel system, Carter fuel pump. Sitting high on 35" Duratracs.
Bought it with a pooched engine and rebuilt it myself! 211,000 kms on the truck, 110,000km on the rebuild, still chuggin and still screamin.
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Old 05-25-2011, 09:30 AM   #3 (permalink)
prichmon
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Thank you very much for information
__________________
1994 GMC Yukon 6.5td, 4l80e auto, 354K miles, ssdiesel pmd on heat sink behind bumper, custom exhaust, flow master crossover and DP, 10 bolt 3.42 rear. Buddy chip 15psi, 93 lift 1 ton pump;aux tranny cooler, bosch glow plugs, aux 2 micron fuel filter, front and rear reese hitvh, firestone airbag rear springs, high capacity turbulator tranny pan, aux tranny filter, ARP Head studs, K47 air box, SS step bars, ball joints, front diff seals, cross drilled rotors, 2300+psi injectors,

SOLD...1994 c1500 ext cab sb 6.5td, 4l80e auto, 200K miles,

SOLD....1995 K1500 ext cab sb 6.5td, 4l80e auto, 286K miles,
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