Generation II Wicked Wheel
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FTE Chapter Leader
Joined: Mar 2005
Posts: 23,857
Likes: 9
From: Suppertown, MN
Generation II Wicked Wheel
I just noticed this when looking at Bob's website. Not sure if this been posted about yet or not. Looks pretty interesting to get 43psi out of stock turbo......
http://www.dieselsite.com/wickedwhee...s-instock.aspx
http://www.dieselsite.com/wickedwhee...s-instock.aspx
Hotshot
Joined: Jul 2008
Posts: 12,782
Likes: 2,142
From: N.GA Mountains
I'd be curious what the backpressure was at 43psi with stock turbine housing. 
Does the compressor wheel do anything to change backpressure?
I think 'Gen 2 WW' is a poor name. The WW is just an aftermarket name for the E99 compressor wheel, right?
Does the compressor wheel do anything to change backpressure?
I think 'Gen 2 WW' is a poor name. The WW is just an aftermarket name for the E99 compressor wheel, right?
Posting Guru
Joined: Mar 2011
Posts: 1,037
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From: Florida
Here is what Bill (PHP) posted on another forum regarding backpressure:
Compensating for a BARO offset of 14.3225 PSI, the backpressure numbers were actually around 37-38 PSI stock and 38-39 PSI with the new wheel. This means the corrected ratios were 1.226:1 for the stock wheel and 0.907:1 for the new wheel.
Compensating for a BARO offset of 14.3225 PSI, the backpressure numbers were actually around 37-38 PSI stock and 38-39 PSI with the new wheel. This means the corrected ratios were 1.226:1 for the stock wheel and 0.907:1 for the new wheel.
Cargo Master
Joined: Jan 2009
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From: OKC, OK
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Posting Guru
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From: ellensburg
Bill has results. I know he's not on here, and I'd post a link to the thread but I think Mod's might get upset. Basically its as stated above. On the Dyno, only change being swapping the wheel, truck was able to make 43psi boost with the stock turbo with only like 39psi back pressure. Now the real question is going to be answered when we can find out what CFM it is flowing at that pressure. This might be an alternative to the 38R. The truck had stage 1's I believe. Bill was saying theres a chance that this wheel could make the stock turbo a viable option with almost every injector out there.
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From: ellensburg
From my understanding it is the back pressure being way higher than the boost pressure that kills them. If it really stays as low as bill measured I don't see why it would fail any sooner. The added air would mean you can.clean up bigger injectors with it and make.more power.
