Racing mechanical fuel injection jetting calculator one year membership (formerly procalc)
developed by bob szabo, racecarbook.com
developed by jennifer szabo, airdensityonline.com
available through our new website: mficalc.com
for normally asp MFI engines
for forced induction MFI engines
for most racing fuels: methanol, nitro, E85, racing gas
works on any web device: cell phone, portable, stationary
1 to 8 cylinders
1 to 4 nozzles per cylnder
1 to 3 bypasses
any fuel pump gpm
any weather or weather change
good for jetting determinations for dyno test
good for jetting determinations for first outing and thereafter
can be calibrated to flow bench test or dyno test or data recorder
for drag, top speed, circle, tractor, land, water, go cart
for 4 cycle, 2 cycle, rotary
not for EFI or carburetors
calculate jetting for low, moderate, and high altitude
calculate main bypass
calculate nozzles
calculate fuel pressure
calculate air to fuel ratio (also oxygen to fuel ratio)
data output for spread sheet record or MFI setups for subsequent outings
linked to weather data for over 1,000 tracks from airdensityonline.com
videos (screen headers from procalc not yet updated to new website header, mficalc):
https://www.youtube.com/watch?v=1XcOPe1ezug&t=1s
https://www.youtube.com/watch?v=cv0TrRoalbc&t=1s
https://www.youtube.com/watch?v=oslsdOWHdvw
https://www.youtube.com/watch?v=8QusgE3sUmc
we are promo partners with racingjunk.