Nikki Schumann

Hello I am very happy to find a forum dedicated to the Radical brand.I am in France and my name is Benoit, 46 years old.My little story: I was very athletic but unfortunately my body decided otherwise...

@bill-snead That's a real puzzler. I wonder if the RXC has an oil thermostat that routes oil past the cooler until it's fully warmed up? If you just changed the oil and drained the cooler, that could ...

I am excited to say that we finally have a limited quantity of Radical Sportscar Registry shirts available. They have a logo on the front and on the back and are available in Navy blue, Medium blue, G...

Just thought you might all enjoy the sound of a 1440cc Hayabusa engine singing on the engine dyno. Attachment : 7dd2d86c-6424-4394-acd7-1538f327b386.MP4

Josh (@jwb), I had a follow up conversation with Phil about the input you got from Hewland and I also told him that your car doesn't have a trans cooler or pump and this was his response... You can...

I want to welcome Radical Texas / Esses Racing as the latest Registry Sponsor! If you are in the Texas or South central part of the country give them a call if you need a new car, parts, service, or ...

Hi Brad, Welcome to the Registry! There are several things to consider when deciding which is the best Radical for you. One questions is your level of driving experience and you have to decide "How ...

@meatman, my guess is and it might be off is possibly clutch basket/clutch play. Might be worth draining the oil and removing the clutch cover and inspecting.

This is the case for Gen 1 Hayabusa engines but not the Gen 2 as fitted to your car. The Gen 2 engine runs with a second set of throttle butterflies in the throttle bodies that are ECU controlled. The...

I can only comment on the Hankooks. Let me qualify my comments. I am racing and "trying" to be competitive and run up front. On new tires I found it takes 2 or 3 laps for the tires to heat up and r...

That is a Gen 2 OEM Suzuki ECU. Also looks like Gen 2 OEM throttle bodies. I would guess that someone has updated the car to a Gen 2 engine, ECU and loom. I would be slightly worried that it is a road...

Use “peel” type rivets. They work much better than expanding rivets in fiberglass. They don’t expand the hole and the hole can be reused many times. Peel type rivets

Thanks Charley. It always amuses me speculating how the marketing people choose prefixes.

Hi Paul (@levo), Sorry it took so long to get approval to print this, but your car is very special in that parts of it went on to create the prototype Ford GT that was displayed around the world. You...

Posted by: @nick02 Thanks Charlie, that helps quite a bit... Indeed we are talking RPE Engine Generation, NOT car Generation... 🙂 Are you certain about the bore values though? Particularly in Gen 3, ...