My car has original standard 3:07 also, which is good universal for me at several different style tracks and HPDE only.

From my experience in my own SR3XX and around several other Radicals, they all behave exactly as you describe. For me, it is frustrating some times t...

Try this, see attached.

UPDATE: I got consensus replies noted below from both Sean and Dan which are super detailed and helpful. I will work with my local dealer for resolu...

Some additional clarifications: this was an intermittent issue/concern. I ran 4 sessions, it occurred in 2nd, 3rd, and 4th sessions, a couple times ...

I found one of the hiccup spots, make sure you have sound on. Just exiting turn 1 at Cota upshifting from 2nd to 3rd. This was typical for the other...

I will be digging into data this week. I agree with your comments about gearing, no changes on my part, and my run experience prior with Cota is simi...

(@davidf) Have you experienced this with your new rebuild?

I did not look that close because I drained the oil and it was full of metal. The clutch bearing split prompting full engine rebuild. A few bad par...

See attached Radical technical bulletin from Feb2022, it identifies the new 60W oil recommendation. My 1500cc engine just returned from SM after a re...

Interesting, mine arrived 2 weeks ago to dealer shop. I dropped off my car last week, but I did not stick around for opening of the crate. Mine shou...

I paid ~$3200 for a single day at COTA a couple years ago (3 x 30minute sessions). That was in an older SR3, not properly fit, old tires, and minimal...

Nope, never did. My engine is out at SM for rebuild right now. When I asked dealer for more information about aftermarket vs Radical preferred brand...