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G'day again I didn't have the figures at work but here are the relevent exhaust timings. Pull no. 32. NovaRossi .28 - 184 degrees. Pull no. 69. NovaRossi .28 - 187 degrees. Pulls no. 6 & 14. CMB .21 - Std & not measured. Pull no. 5 Mac .21 - Modified in Aust by Paul Osmond - unknown, &...

G/day Guys This is the first time I've tried to post a pic. It looks like there is only 13K left, so I'll try posting 4 links. I want to say first that I am trying to help here. My Dyno is a NitroDyne model & certified from manufacturer. You cannot compare my figures with Marties. You can...

G/day Lohring I try not too look at the 3D data, it shows how much my driving needs to improve !! At present I am trying to determine the best heat measurement pickup points & stay with them - water outlet temp too. You're right, when I get back to the bank, I reset the mixture servo to the...

G/day again Marty There's 7 odd laps recorded there. With the live dashboard, max. recording rate is 4 times a second (from memory) where as if I download from the boat it's 10 times a second (think), so I would have to do it that way. The throttle & mixture (elevator) are read in degrees of...

G/Day Marty As you know I'm not long back into the hobby & a big part of the reason is the tools available to understand the workings of these powerhouses. I believe the only foreseeable big gains in power that are left, is in the pipes, & too a less extent, glow plug design/metalurgy (which I...

I notice no one has mentioned the 3rd. channel mixture control that comes as oe. with some of the CMB engines. How do these work- good,bad, indifferent ? Does everyone bin them & purchase a different brand. The one problem I see with a hydro is they will stick through the side of the tub, as the...

Trouble is in the last 4 months, there have been 3 different 21's available in Australia, including a just in this week, 9 port engine. Makes it hard. Have to pick one & stick with it I guess, or otherwise the pocket empties & you never finish a development programme. Like a dog chasing it's...

G/day Virgil Sent you an email & a PM, from Australia Regards Richard