monday 4/7 CJ motorsports or powersports (sorry can't remember which) from Booneville NY coming with new 09 SkiDoo 1200 four stroke. Arrival 2pm, run by 3pm. Live on dynocams. had it running by 3pm, but have an issue with max revs limited by ecu to 4500,...
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A/F ratio comparison of Dragon 800 pipes
This data shows an implication of higher airflow CFM with the BMP and SLP pipes. Fixed fuel flow from EFI plus leaner A/F ratio = assumed higher airflow CFM. Adding HP with higher airflow is always good, and I should have noted that in the article. The day after the...
ETEC vs SDI 07 & 08 meaningful airflow and HP comparisons
thanks to Kevin Cameron, Sean Ray, Jim Cooper and Billy Howard for trying to solve this mystery
2007 Adirondack Shootout SnowGoer/ SnowWeek/ DTR Shootout
actual test data obtained during the 18th annual Shootout dyno certification
New DTR all motor record HTG XCR1640 four cylinder lake racer
textbook tuneup, added 99 HP in three hour tuneup
March Dyno Schedule
snow and ice are nearly done, things are quiet..thats my HTG1000 edge on the table, not for tuning but to reinstall the electric starter and battery that Tripod Dan and crew yanked out before the Oneida shootout. All done, now I can ride it again without asking...
You’re probably being hosed at the pump
Polaris and Bombardier are using detonation sensing technology on some of their engines to help alert us while riding or dyno testing, and to try to protect sled owners who experience detonation on their engines. They utilize engine noise...
more ETEC testing etc
2/20...After comparing the SkiDoo 600 dyno test data between Etec and SDI, we are hunting for the missing 5 HP. While part throttle cruising A/F and BSFC are admirably low, BSFC at peak torque and HP RPM is disappointingly normal. The Etec and SDI single pipes...
February 08 dyno testing
2/1 Friday Jason Owens F6 Cat trail mod pump gas only, stock head, 139hp w/ DD monster single graph shows black stock single, blue BMP modified stock pipe, red D&D monster single pipe2/2 Sat AM Russ Horn XC800R 950ish BMP big bore, PM Dave Shoup Fusion 975 big...
NEW DTR HP/TQ RECORD DNE 1725 Quad, now with N2O injection
Tommy McConkey’s radar run engine, dyno tested NA and with DNE’s semi-direct N2O injection
Pipe Center Section Temp critical for exact clutch tuning
stock 800HO w/ BMP single, Cudney head, V Force reeds tested with cool, warm, hot pipe temperature
SnowWeek/ DTR Shootout 600 class and open class stockers
Graphs only, showing representative HP curves of all stockers at 18th annual SW/DTR Shootout
January 2008 dyno schedule &tc
Wed 1/2 mr momThursday 1/3 AM HTG Rob's dyno is acting up, bringing a customer's 700 triple drag engine to test on motor plate.this surprised Rob, possibly the highest BMEP NA engine here, 205 HP at 9500 = 210 psi BMEP, cold motor cold shot HP like dragracers...
SnowWeek/DTRshootout trail and lake mod entries
MPH and ETs of trail mods 1000ft and lake mods 660 ft
F1000 pipe comparison aftermarket Y pipes/ single pipes/ cans
compare stock exhaust with Speedwerx, D&D, and Bikeman exhaust components
December dyno schedule & other stuff
12/1 Justin Fuller again, not sure what he's bringing cancelled12/2 available12/3 SHOOTOUT SLEDS unless they have bad weather between old forge and batavia. if so we'll certify shootout sleds tues/ wed.12/4 MORE SHOOTOUT SLEDS12/5 saved in case we have any issues on...
Adirondack SnowGoer DTR Shootout trail mod entrants
D&D has committed to six sleds:08 F8 trailport, twin pipesSkiDoo XPR800/ 862cc with D&D single pipe/ YpipeF1000-1200 twin pipesF1000 trailport twin pipesother two sleds TBAChuckaroo Motorsports1240 MachZ twin08 SkiDoo XPR800 trailport w/ DynoPort ...
ZR900 trail modifications Tom Mango
pump gas tuning with mods/ parts cherry picked from five different companies
Adirondack Shootout Decisions for 07
George Taylor and I are in the middle of this 18th annual Shootout, between new sled dealers, aftermarket companies who are providing trail mod sleds to show their wares, and SnowGoer/ SnowWeek magazines who are partners with DynoTechResearch in the Shootout at...
Month of November Schedule etcc
10/29 10am I'm at home in my underwear trying to finish some dyno stuff to post here, phone rings, some fellow named Joe on his way back to CT from Tillbury, wonders if he can get a quick dyno test on a PS800 SkiDoo. Then he asks me if my dyno is "as good...