[Supras] Not2Fast has a Turbo efficiency caculator

[Howard Hutchinson]

"> Knowing there is a difference between the theoretical and empirical; my 
question is, can my Lexus/550/ND280lph fuel pump setup, take on a turbo the 
size of a Garrett GT40?"

Probably possible for the GT40-82, but definitely not for the GT40-88

----- Original Message ----- 
From: "kdvanloo" <kdvanloo at pcez.com>
To: <supras at supras.com>
Sent: Sunday, October 07, 2007 12:24 PM
Subject: [Supras] Not2Fast has a Turbo efficiency caculator


> Hello,
> Has anyone here used this tool, to consider which turbo would be most 
> efficient to use for their application? I have, and it suggested a few 
> turbos for consideration; i.e.., on my current set-up a GT40 82mm, 50trim, 
> 0.58 A/R was the most efficient. I entered required data from my most 
> recent dyno runs to obtain that result. Here is a copy of my result. To go 
> there simply copy this URL and past it into the address bar of your web 
> browser 
> http://www.not2fast.com/turbo/glossary/turbo_calc.shtml?FeetASL=60&Tamb=21&Bore=83&Stroke=91&nCyl=6&RPM=5250&VE=100&Boost=10.5&Ec=78&Eic=70&PdropIC=3.0&TambIC=21&wiPercentMethanol=50&wiRate=100&wiTemp=21&SFC=0.50&AFR=12.8&maxInjectorDutyCycle=80 
> It will take you to the site and drop the data into the calculator for 
> you. Then navigate down the page to the turbo drop down menu and choose a 
> turbo. The plot will show the efficiency of the selected turbo, for the 
> current setup data.
> Knowing there is a difference between the theoretical and empirical; my 
> question is, can my Lexus/550/ND280lph fuel pump setup, take on a turbo 
> the size of a Garrett GT40?
> Thanks,Van
> _______________________________________________
> Supras mailing list
> Supras at supras.com
> http://supras.com/mailman/listinfo/supras_supras.com