Aftermarket turbo wheel? - Diesel Forum -
'99 & up Upgrades and Aftermarket - 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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post #1 of 3 (permalink) Old 01-06-2010, 06:54 AM Thread Starter
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Aftermarket turbo wheel?

I just bought an 02 with one and what is the advantages of this? Dont know what brand. What boost numbers should i be getting? I have an aftermarket intake,4 inch exhaust and edge attitude with 5 levels. Not sure what HP level 5 is. Thanks
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post #2 of 3 (permalink) Old 01-06-2010, 09:04 AM
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The advantage of that wheel, which is nothing more than an early '99 model turbo compressor wheel, aka Wicket Wheel (WW), is that when you add an intake or chip or both the turbo can try to move more air than the wheel is able to handle. The turbo then starts to chatter or surge and can eventually destroy itself. What the early '99 wheel does is it has staggered fins allowing the excess air to move around rather than the wheel itself moving around. Some have reported a slight loss in power using that wheel, but just about everyone says it definitely cured the surge. You will also notice a little more whistle from that wheel than the stock one.

As far as brands, don't worry, they are all the same wheel. They were the stock wheel found on the early '99 trucks.

As for boost numbers, when I had one on my truck I could only hit about 18 to 20# with my DP at 80T and tymar intake. I've since replaced that wheel with the stock one and installed the ATS housing (which does the same thing) and I can now hit 24# easily. Some will say that I'm now moving more air, but there is a difference between pressure and volume. We can only measure pressure. There are those that say the early '99 wheel moves more air at lower pressures. Until someone puts a flow meter on their truck... we'll never know.

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post #3 of 3 (permalink) Old 01-06-2010, 09:59 AM
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With tunes and intake you should be able to exceed the stock turbos reccomendation (25 psi) easily.

As stated, the wheel is a "cheap fix" for turbo surge. Basically, put your truck on it's highest setting and punch it (towing something if possible). If your turbo makes intermittent hissing noises and seems limited gaining boost, you're surging.

The wheel reportedly "usually" cures "most" of the surge. My truck surged like mad (you'll hear and notice it more with an open element air filter), so I put on the ATS ported housing instead. The wheel "sometimes" cures most of it, the ATS housing always cures all of it. But you have the wheel already, and an ATS housing is like $425...


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2000 Excursion 7.3L PSD 4X4
DP-Tuner F5 : no start, stock, 40T, Decel, 80T, 80E - AutoMeter A pillar w/ 3 Phantom gauges - DIY Tymar intake w/ S&B conical filter - Zoodad mod - Suncoast Extreme Duty Trans rebuild w/ TransGo Shift kit, Amsoil synthetic ATF & Magnefine inline filer - BD Triple Disc Billet Torque Converter - 4" Stainless Steel Turbo Back (4" down pipe) Magnaflow exhaust - ATS Turbo housing and 4" intake sleeve - Turbo Master Wastegate Controller - HX Oil Crossover - Morse Ceramic brake pads - Monroe Reflex Shocks - Energy Suspension Bushings - IC foil wrap delete - Fumoto Oil Valve - 08' Aluminum Rear Differential Cover - White Night reverse light system - Garmin StreetPilot c340 GPS - 6.o tranny cooler - Dieselsite Coolant Filter w/ CAT ELC coolant - Amsoil Single Bypass Oil Filter w/ Rotella 5W40 synthetic oil - APC white gauge cluster face - Dual in-dash DVD w/ Infinity Reference speakers & Blaupunkt 200A powered sub - 4.5" LED marker/turn lights in front bumper - ViAir HD onboard air system w/ 380C compressor, 2.5 gal tank & Grover stutter tone air horn - FireStone RideRite suspension air bags -

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