Josh Spray

Yes Josh, that is the correct thread size.

@jwb Firing order from my MoTeC config: 1 fires at 0*, 2 at 180*, 3 at 540*, 4 at 360*, 5 at 288*, 6 at 468*, 7 at 108*, and 8 at 648*. The SR8 engine is a 72* banked V8, which is why the right side ...

I talked to the Hankook tire engineer today who said that the reason you should run your slicks in the correct direction for the first heat cycle is because there are structural elements that run diag...

Hi Ron. I don't have an answer to solve this but I would probably first check your scale accuracy and ensure they are dead level. After I carefully set my ride height, I am typically way off on the ...

Sensor itself is normally the problem with these. Glad you have sorted it. Keep an eye on the reading, in earlier cars there is changes to the map depending on air temp but the sensors have not always...

@bird - G'day from Tasmania! Just reinstalled the rear wheels on my RSX and the Radical supplied tie-down inserts to measure this for you. 1850mm (just under 73") is the exact width of mine.

@rjbender Thank you Rod!!!! I really appreciate you taking the time out of your day to take this measurement. I looks like it will work perfectly. I have read so many of your posts over the last few m...

If anyone is interested in picking up a “lightly used” 1500cc engine give Robert Burgess a call at Radical Canada East. He has several available at reasonable prices.

Hello to all, My name is E. J. Scott. I'm located in Temecula, California. I'm a retired (2006) full time SCRA and USAC Sprint Car driver and team owner with a passion for road racing ever since I was...

Hi @agengw20, welcome to the Registry. Congratulations on your new XXR! Sorry to hear about your spin issue. SR3's are very sensitive to front / rear balance and will spin if the balance isn't righ...

G'day All, I've just completed my first SR3 driveshaft rebuild according to the schedule... done at around 12 hours on my HD driveshafts (on-track time) rather than the 10 hours Radical recommend. Li...

A friend of mine at Radical sent me the process for checking / setting the Throttle Position Sensor (TPS) on cars with MBE ECUs (or other Radicals without the Life ECU). He said that you should back ...

When pondering the identity of Lightning McQueen's vehicle form, it becomes evident that he embodies the essence of a bespoke racing car. With an unmistakable resemblance to the 2006 Chevrolet Corvett...

The important thing with paddleshift is a closed loop system. This monitors the rotation of the selector barrel and cuts for the required length of time. It can also recut if the shift is not complete...

Hi @meatman, it looks like the shaft failed and the bracket bent in the process. I am sure that I have one of those shafts in my garage someplace nd I can send it to you so you can get back on track w...