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How Much Horsepower Loss....

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  #11 (permalink)  
Old 29 Jul 2008, 10:10 am
Dream4's Avatar
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Join Date: Mar 2006
Posts: 150
Default Re: How Much Horsepower Loss....

Originally Posted by CREWZIN View Post
I think that's what I just said.
Fine, what ever, Why do I even try to provide accurate information here,

I was confirming what you said , as you stated that you were not sure and could be wrong!

Sorry for posting here at all!
'05 GT Dream Cruiser Series 4. No.1109

Last edited by Dream4; 29 Jul 2008 at 10:16 am.
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  #12 (permalink)  
Old 29 Jul 2008, 10:40 am
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Join Date: Sep 2001
Posts: 27,758
Default Re: How Much Horsepower Loss....


Don't go away mad. Your statement does confirm what I had said, it's that you didn't say you were confirming it, just repeating it.

Other parts of your posting included new information to bolster the argument and we look forward to your input.
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  #13 (permalink)  
Old 30 Jul 2008, 08:55 am
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Join Date: Jun 2007
Location: Wellington, Florida
Posts: 191
Default Re: How Much Horsepower Loss....

Originally Posted by Dream4 View Post
As you may or may not know, the only difference between the GT HO 220-230hp and the 180hp "turbo lite' is the PCM, along with the use of the higher octane fuel, the increased hp is from more timing and boost, allowed by the higher octane fuel, along with more fuel by increased injector pulse time, so if you use regular gas as used in the 180hp turbo, the timing is pulled back due to spark knock, along with lower boost levels because of the timing cutback, you will be very close to the 180 "turbo lite" levels, but running rich due to injector programing at WOT, you will still use the same amount or more of gas, but with approx 40 less hp. So you will spend the same amount or more money for the same mpg because of the programming of the PCM. Now if you had the proper programmed PCM you might save a little at the pump depending on your type of driving.

If you had a boost gauge you could the tell approx. the difference, as the "lite" runs about 10 psi of boost stock and the GT HO approx. 14 psi, and it is about 8 to 10hp increase, or decrease for every pound of boost gained or lost.
You are right. I had a LT Turbo before getting GT. The gas mileage is exactly the same. The difference is I use premium with the
2005 GT Cruiser, Cool Vanilla, Automatic, Borla Dual Exhausts, K&N, Navigation and U Connect.

2001 Corvette Convertable, Navy Blue Metalic, Z51, 3:15 with 4" inch quad Borla Stinger Exhausts X Pipe and K&N Filter.
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