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December 11 Christmas Singing - Harriet, Dick and Cynthia Captain, Liz, Lee, Nancy, Anna, Jeff.

Danny Sullivan's birthday present 2010 Mert Lawwill - Streettracker Harley Davidson Marc Salvisberg - Factory Pro EC997 dyno Jim Dour - Megacycle Cams

This realtime HP trace shows why you don't do a slow sweep test. In the real world, 100% TH, you are usually shifting / loading / momentarily unloading the engine. To get dyno Best Power settings that equate to the real world, it's important to duplicate the internal combustion chamber temps (CCT). This bike, at some rpms is rich - power starts hi and drops, running better with cooler CCT. Ther...

Top AFM race bike. Prepared by Scott of Desmoto fame, San Francisco, Matt Green, owner and rider. This Duc is tuned with an EC997 dynamometer system and uses a fully programmable "Nemesis" ECU to handle the tuning commands. The "Nemesis" gives the tuner full control over, not only fuel and ignition. but starting settings, throttle linearity, coolant temp correction, and a host of other features...

Top AFM race bike. Prepared by Desmoto, San Francisco, Matt Green, owner and rider. This Duc is tuned with an EC997 dynamometer system and uses a full;y programmable "Nemesis" ECU to handle the tuning commands. The "Nemesis" gives the tuner full control over, not only fuel and ignition. but starting settings, throttle linearity, coolant temp correction, and a host of other features. This tunabi...

Diagnostic / Tuning dyno test on Kawasaki VN1500 with special Factory Pro "Big Nine Inch" Dual air filter setup. The Dual Air Filter setup is worth an honest 3-5 True HP. Not bad for a pretty simple "bolt on". This is using a research level EC997, not a "dealership level" "AFR" type of dyno. www.factorypro.com

This is a dyno test, using the EC997 Low Inertia Eddy Current dyno - with the optional high speed 4 gas Exhaust Gas Analyzer and reading in TRUE hp. To get "Dynojet" horsepower, multiply True hp x 1.10 to 1.15. The EC997 dynos are superior to cheaper, dealership level dynos that "tune to an Air Fuel Ratio". The EC997 dynos apply a more realistic load to the working engine and therefore, produce...

First try at a new design shorty muffler on Termignoni headers. Power was decent, but, even with BOTH earplugs -32db and earmuffs -31, it was too loud for humans in the dyno room. Vibrated mouse onto the floor, knocked over web cam and wireless router, scared women and children miles away. Guys outside the dyno room were wearing ear protection. EC997 dyno kept on working fine, though. This vide...

Engine tuning requires data precision in the fuel controller, competence in the dynamometer design and the tuner's proper choice of engine testing modes. Common dealership level dynos commonly use semi-integrated FI controllers with poor rpm recognition and sometimes poor TH% recognition. This shows the Teka 4 EFI's rpm and throttle % stability. Shows 70% throttle and then, as the bike's thrott...

Yamaha's 2009 R1 has midrange like you wouldn't believe - and, in jest, sounds like the strongest VFR800 I've ever heard! The EC997 dynos are designed to do both Steady State and Sweep tests even though most people stop doing Sweeps very much after doing some tuning in Steady State. Unlike other dynos that "tune to an AFR", the only way that you mess up the part throttle (cruise) tuning on an E...

If you have 250 map increments on the pc3 table and the PC3 rpm incorrectly jumps around an ~700 rpm range, then the engine's mapping is accessing any one of 4 different "250" table cells and applying whatever is in those cells, to the wrong rpm and trim amounts, about 66% of the time. This test was done on an EC997 dyno and the rpm was actually held to withing 5 rpm of 8000. This was a PC3 tes...

Tag Test, EC997 eddy current dyno, showing benefits of low inertia testing. 2009 Yamaha yzf1000 R1 with Akrapovic exhaust system. Backfire under deceleration is because the exhaust air injection system is still allowing air into the exhaust.

Diagnostic video only: TPS issue example Stutter at around 5%% throttle at high rpm, caused by improper TPS information, as in, maybe improperly set TPS. ECU shut off injectors below about 5% - causing abrupt on/off power. Runs well, otherwise. EC997 dyno Note: O2% reading on test screen is reading ambient air, not the exhaust - that's why the about "20.9%" instead of .5% to 3% as would be norm...

New Teka SFI 2 Suzuki Programmer with new, Cleanhp.com, screwdriver adjustable,MMT Memory Module, EC997 Factory Pro dyno, True HP, Suzuki gsxr600, tuning to Best Power on a Factory Pro EC997 Eddy Current dyno w/ fully integrated 4 gas EGA (since 1996). This run is a "TAG" test and isn't using the EGA. This one was tested by the film maker in Texas.

HD Harley Davidson EC997 Factory Pro dyno Harley 2007 110ci Thunderheader

Yamaha R1 yzf1000r1 2007 Factory Pro EC997 dyno test

EX250 EC997 Factory Pro eddy current dyno 06 Kawasaki