lay the two turbos side by side! the HX is larger. I switched my hy for hx and its a huge improvement over the hy in the EGT dept, spooling is no different.
It will be worth it to switch them over, it only takes an hour of your time to do
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2001, 2500 Edge J/A Hot unlocked,Magna flow exhaust. Jammer II's. BHAF, Airdog 150,DSS,3rd gen Track Bar. Carli Suspension, 3rd gen Brake upgrade, transgo Shift Kit. Firestone AirBags May 07 297,000kms Jan/10 476,000kms RETIRED Military Mechanic (20yrs)