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compare stock reeds/ cages with Boyeson Rage Valve reeds/ cages

IN RETROSPECT THERE IS SOMETHING AMISS HERE SINCE I'VE DISCOVERED THE GLITCH IN MY DYNO NUMBERS...HERE'S MY POST BEFORE I FIGURED IT OUT... Just got another call from Jeff at Dakota Performance. Last week he track dyno tested his stock M1000 with new BMP single and...

Sept 28-Oct 1 pro racer dyno testing dyno cams off.Oct 2 Jim sitting at dyno console punching in data for Full Power stage 4 RX1 and stock Nytro to be posted on DTR website 10/2.got the Nytro done, maybe stage 4 RX1 by Friday...Oct 3 Justin Full Power taking another...

  Kevin Cameron (KC as he signs his correspondence) has written an excellent book about some of his past motorsports related experiences—a thoughtful compilation of Cycle and Cycle World TDC and other articles, plus past and current technical and social...

9/1 Sat HTG ported F7 carb we've posted on dyno pages since stock, tweaked from 120 to 150 plus so far with single pipe, now trying some new single pipes and D&D twins. D&D F8 twins with can silencer added broad top end hp curve, about 160 for 400 revs on top....

Rich Daly (owner of DynoPort/ Bender Racing) brought his notoriously quick Pro Stock 1000 SkiDoo triple for a tuneup here.  Besides being a savvy pipe designer and thrashaholic, Rich has spent a great deal of creativity including time and $ building as light an...

Justin Fuller came yesterday with his R1 bike turbo kit prototype to do additional dyno tuning, and compare a different Garrett ball bearing turbo design with hopefully a bit less turbine inlet backpressure. He had been here a few weeks ago using my rear...

When I bought my SuperFlow Cycledyn eddy current roller bike dyno about 10 years ago, they told me to expect lower HP numbers than what I was used to on my DynoJet roller that I had just sold to a friend. SuperFlow technician Brent Williamson told me that DynoJet...

8/1 Justin Fuller Full Power turbo Yamaha R1 streetbike this time on the SF901 dyno with driveshaft from bike output shaft to dyno. Will compare rear wheel roller HP to actual output shaft HP. Justin wants to use 901 dyno to utilize its exact control of engine...

7/10 Tuesday AM Bill DiFranco tuning ODS Dan's Cutler F7/F10 for asphalt. Will tune carbs for max HP plus try to tune Boondocker N2O system for extra 50 HP or thereabouts. took second in ESTA Big Twin class to Glenn Hall's 400hp turbo.7/12 Thurs PM late, MachZ big...

  Here's a letter sent out to Boondocker N2O system dealers. This relates to defective blowoff valves manufactured by Rehvac. Since they may manufacture valves for other N2O kit builders, everyone should examine their cylinders/ valves to make sure they...

I emailed to Kevin Cameron today: Kevin Last week I if you saw my blog I had an awful vibrating solid-mounted 1710cc crankshop triple asphalt sled brought here because of fuel flow issues (shutting off at half-track). From 6500-8000 the carbs were a blur, 90...

dyno test results of Glenn Hall/ Jason Stoviac’s Firecat with this supremely powerful F1200 boosted engine

5/7 Jim Cooper's PS1000 triple Skidoo asphalt racer, dialing in new MSD ignition last Friday had a bad timing pickup so were waiting for a new one. Before the pickup went bad, we had Megatron fuel flow inconsistencies  (solid mount  twins are usually the worst,  solid...

When I bought the SF901 dyno 20 years ago, stock and race sled engines were less than half the torque and HP of what we're seeing today. The Superflow 901 absorber is capable of  controlling 1000 HP engines, but the 1986 sales  literature described how the...

305/1 Dynod a second new Hayabusa with Yosh bolton mufflers belongs to a riding pal of the one I tuned yeasterday, this one made 157.4 RWHP after tweaking the identical map but midrange HP was better than yesterdays, guessing that cam timing is different by a few...

Jason Stoviak and Glenn Hall using D&D & Boondocker N2O to eclipse the DTR two cylinder record

punching in info from annual Disneyworld trip, mistake this time doing it during Easter recess. Long lines and blisters, but Eight year old son Marty is having a great time.Last Friday before we left we redyno tested Don Malcom's HTG Storm 1000 stroker engine, now...

details of engine mods, incredible HP for 61 cubic inches, FPP 716-699-6299

compare D&D Y and D&D single pipe with new D&D twin pipes, all lake race Boondocker tuning