Separate names with a comma.
Sorry to everyone that viewed this post and/or ermailed me for a copy. The AFProRx Demo software is no longer available. The posting at the top...
DragRacingPro.com has just completed a new software tuning system specifically designed for injected nitro racing engines. This brand new program...
Based on feedback from many racers over the past several years we have completely remade the Nitro Tuner software. This brand new program is...
Based on feedback from racers using the JetArea computer, I have decided to stop bundling the software with the tablet PC. You can now purchase...
Attn: Top Dragster and Top Sportsman drag racers I have now added ET prediction to the JetArea computer. The new ETProRx app is a simple, yet...
Based on lots of feedback, I have decided to breakout the JetArea App from the Nitro Tuner software into a stand-alone fuel system and weather...
I just got the page over the PA here at Woodburn. Let's start with some basics. Relative Humidity is complicated. Grains per pound of air is...
Some tuners have asked me to explain more clearly about the "huge difference". Let's use NHRA TAD for this example, where the blower overdrive and...
TOL - it's not about the air temperature at the intake valve. Chilling the fuel for a blown car is about the air temperature as it enters the...
Only way to get the VE% is from a blower dyno. You have to measure airflow CFM vs. blower RPM. There's lots of this kind of data around for the...
OK - now it get's more complicated. The standard helix roots blower volumetric efficiency (VE%) starts to fall off above 9000 blower RPM. VE%...
Take a look at the left side of this image for all the common blower sizes. The values are stated in cubic inches per revolution of the blower....
I just had a very talented high school senior clean up all the audio and video problems in the Mark Niver videos I posted a while back. The sound...
Based on this Gorr data, it looks like a main jet between 0.114 and 0.115 will get 3 GPM @ 150 psi. http://www.pumpcalcs.com/calculators/view/103/...
Mike @ Rage Fuel Systems (843) 623-3500 Call Mike and tell him what you are doing. He knows all the flow coefficients from his years of bench...
The "orifice constant" is only based on the shape of the hole, not the fuel used. Here is a link with illustrations and typical values at the...
Since I first got into publishing drag racing math for Hot Rod Magazine (1986) the most frequent question I get asked is “how much more HP do I...
T/AD & TA/FC with converter I’ve been doing some math over at InsideCompRacing about how much HP/ET is lost when switching from a clutch to a...
Hey Brandon, over on InsideCompRacing we just had a somewhat related discussion about converter drives....