Quaife tech sales got back to me today with a complete parts list. They have no 4.11 ring and pinion sets left, but still do have a 4.125 set in stock...

I did reach out to Quaife directly today, and, as expected, they referred me to Radical. After some discussion, they agreed to look through their inve...

Charley -- I haven't. I spoke with Sean at SMR, and he was going to talk directly with Quaife, since we both believed that Radical probably has no sto...

Anybody know where if there's a setup guide for the ring and pinion? Robert Burgess at Radical Canada said that one existed, and that if I used it, I ...

Yes -- it could just be the bolts aren't good enough. Is putting in 8mm bolts an option?

Richard -- I wonder if you should have your torque wrench calibrated? That failure rate sounds like over-torqued bolts to me....

Brandon, I'm using the Hankooks -- which are available at Amazon, and arrived in about 5 business days.

Mine's a Tilton dual disc setup.

Sorry to hear about your bad day at the track. I had a great weekend last week, but my gearbox has me a bit down today. 🙁 I've pulled my front rotors...

New information: my gearbox is a Quaife QBE58G, rated at 350hp. The newer cars use the QBE72G, which is rated at 450hp (bigger gears, and more distanc...

Thanks Charley -- I had thought of that too (spare car with a later spec gearbox). Though the gearbox in the car doesn't look like a Quaife/PTEC. Is t...

Here's mine from a sequence of 3 good laps...

What sort of longitudinal acceleration are you seeing on braking? I'm seeing numbers maxing out around -1.3. Does that mean I've got a lot more brake ...