John Parsons

Hi James, welcome to the forum. I'll second the recommendation for getting an SR3. Like many of us amateur Radical owners, I came from a high-hp street car (Corvettes in my case). And, as Charley said...

@nautoncall The Quaife Hypoid (QBE72G) and Hewland JFR have nearly identical technical specifications. See this response from Phil Abbott about the history of them in the SR8: Question 4 - "I'm intere...

In my case, there were warning signs. I just didn't notice it. MoTeC's i2 data analysis software has a powerful feature that highlights diagnostics -- it's just that I didn't know that until after the...

FWIW, my left-bank TPS failed at Miami-Homestead this past weekend. 2 years old, maybe 40 hours on it. I'll be replacing mine annually from now on. 😯

@charleyhradicalsportscarregistry-com Could be. Or maybe the V8s are different? I think this might be a question for "Ask Phil" ? 🙂

@charleyhradicalsportscarregistry-com On my SR8s, there's a bolt on the upright side, accessed from the wheel side of the upright.

@davidf That's great information about braking pressure and markers thanks. I'm back in the shop now, and have finished getting the car ready for a Sebring event in mid-February. I've dialed the bias ...

@davidf Wow, thanks very much for all that information, insight, and advice. I’m sorry to missed you this week. Something came up, and I’m in Hawaii for a bit. Do you have specific corner that you use...

I use the TPMS kit from TrailBrake.com. No leaks, 3 sets of sensors. I've incorporated the pressure and temp data into my AiM configurations, and send it via CAN to the ECUMaster PMU and MoTeC ECU. My...

@schneller I use my left foot. When I switched, I found I could brake later since my left foot is always poised right above the brake, and I don't have to lift it off the throttle and move it over. It...

@speedsmith @charleyhradicalsportscarregistry-com Wow. That's a real pearl of information! I've ALWAYS set my pedals up so that at maximum braking, the throttle was about level with the brake -- which...

@bird The best setup videos I've found are from HP Academy: Suspension and Car Setup | High Performance Academy (hpacademy.com) They cost money, but I find them worthwhile.

@davidf Thanks very much for all that info. I think I've got a decent brake shape, but my goals this year are to add more trail-braking and to move my brake points deeper. I've always felt just a bit ...

@davidf David, running more front bias is something I'm going to try this year. I've been running 54%, but I think I'll try something close to 60%. Any thoughts? 🤔

@frank Let me echo what Charley said. I'm using Geartronics components (compressor, accumulator, shift valves, etc.) under MoTeC control.