Flow Rates made easy

[16g-95gsx]

I decided to go ahead and break down the various supporting abilities of various injectors as well as DSM fuel pumps today. I made two seperate charts, the first being injectors, the second being fuel pumps on page 2 of the excel file. The injectors spreadsheet is broken down by injector, it gives the liters per hour at 85% duty, 100% duty, as well as the various airflow support that the particular injector can handle assuming 85% duty at given AF ratios. This chart should easily help you determine what injector should be needed for your particular turbo, as turbos are generally rated at a max airflow, T-25's generally seeing 25lb/min at most, 14b's seeing around 29-30lb/min at most, small 16g's seeing around 35lb/min at most, Evo 16g's seeing around 38-40lb/min, 20g's seeing around 44lb/min, FP green seeing around 50lb/min at max, etc. Using this chart you can correctly match the proper injector for your turbo goals, now knowing that it will never run out of steam. These figures as mentioned were rated at 85% duty cycle, and pump gas, therefore you dont have to worry about spray patterns being skewed by high duty cycles, and you know that it can safely support it on regular high octane pump gas.

The second chart, is a break down of fuel pumps. The fuel pump flow rate data I recieved from RRE's figures listed on the internet. I broke them down by voltage, stock wiring, and rewired, and then broke them down according to the 2 tested boost settings, 15psi and 30psi. This chart will tell you how much airflow a particular fuel pump can support assuming pump gas, at various AF ratios.

With both of these charts I imagine it should be very easy for alot of you to realize what it is that you need to do, or get, in order to meet your fueling demands. Hope it helps.

http://filebox.vt.edu/users/chlamber/Random/Injector Flow Rates.xls

 

[anomalyinva]

Thanks a lot!

 

[andymoraitis]

Thanks Chris. As per usual, this is something I'll reference continuously as the concept of fuel tuning on a turbo car is something very new to me. Great job on getting this together and many thanks again!

Andy