New (to me) Turbo calculator!

First Fox

Well-known member
This thing is cool.

For those of you who haven't seen this, this calculator beats the snot out of the crappy version I have been using from linc's writeup that simply did the airflow math for you and required you to chase maps from another location. This does the same math, but also graphs the airflow based on your inputs. You can select several maps at the bottom of the page and compare them side by side as the calculator actually graphs your airflow based on your inputs. You can then tweak your figures and see how the different compressors flow accordingly. This is a GREAT page. I was pleased to see that the compressor I will be using looks to be the best choice out of the 4 that I was considering.

http://www.squirrelpf.com/turbocalc/ind ... ap_sel4=79
 
Looks pretty cool, gotta be careful what numbers you put in but its nice that it does the graphing and has maps to choose from. From my guestimation the FI BB6 that I'm turbocharging makes around 80% VE at max power rather than their default. Not sure the best way to estimate intake temps, but I didn't play with how much effect that had. What engine and compressor combo where you playing with?
 
speedbug78":17s64hym said:
Looks pretty cool, gotta be careful what numbers you put in but its nice that it does the graphing and has maps to choose from. From my guestimation the FI BB6 that I'm turbocharging makes around 80% VE at max power rather than their default. Not sure the best way to estimate intake temps, but I didn't play with how much effect that had. What engine and compressor combo where you playing with?

As with all calculators of course you must be careful of the input parameters as the calculator will only do the math based on those numbers. Garbage in, garbage out. :)

I am running a smog era stock spec, freshly rebuilt log head 200 and am running a progressive Weber with an adapter. I will be using an intercooler and was looking at a few different compressors:

Super 60 trim T-3
T04 S-trim
T04 57 trim.

This will be a daily driven combo, and responsiveness and economy are key.
 
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