Hi Don (@speedstarincdjb), A friend of mine at Radical read your post and texted me the process for checking / setting the Throttle Position Sensor (...

That made me think of something else to check. It is worth checking the fuel filter because sometimes there can be some fuel cell foam scraps in new ...

@speedstarincdjb, I agree with David, that sounds like the correct next step. I would also check the throttle body boots to see if they have cracked ...

I would also recommend getting a cover for that electronics box. It is hard to tell from the picture but it is likely either a Geartronics shift box,...

@nautoncall, No, the Sure-Seal connectors are not for charging. If your car doesn't have the Anderson plugs it most likely is not set up to be charge...

The 4 open connectors are not used on track cars. The street legal cars have side markers and those plugs are for the side markers.

Hi Valentin (@bergfex), welcome to the Registry Forum. Many of the parts for the Gen 1 SR3's are still used on the newer cars so most parts are avail...

Sorry, I don’t know this. Hoping someone else will chime in.

@rjbender, Radical introduced the Life ECU and Life paddle shifting in late 2009 / early 2010. At that time paddle shifting was a fairly expensive op...

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...

@grouparacing, Congratulations Jonathan! Great driving!

I am not aware of this. The Radical website once had prices listed on their parts pages, but that was removed because each dealer adjust pricing to a...