Caterham CSR Trackday toy

MANN WK612/2 or MAHLE KL158. Available in your local car parts store. Must be one of the parts on this car that is hardest to remove,...

In my search for a more robust fuel system the time has come to the fuel pump. According to Cosworth a 280hk Duratec engine need 1.4L/m...

Great day! Great fun racing with some other sevens. Probably the last outing for the season. My car is both wonderful and terrifying a...

A "test drive a Radical SR3" event at Mantorp. I was also invited but drove my own car. The engine runs great! The car handles...

This is the second time my starter solenoid has broken. It is a mechanical failure where the plastic actuator arm inside the coil has bro...

During the last F1 race they've equiped some of the cars with thermal cameras. How cool is that?? Notice how fast the tires cool o...

The previous engine damage  was not fixed. The car was lacking power, and another compression test still gave low figures on the middle tw...

Not SFI approved. If you are confused what padding to use on your roll cage, don't be any longer. I found this excellent article th...

I spent the first part of my summer vacation to rebuild the damaged engine.  New block and new pistons, and a new built loom. Sta...

New Cosworth pistons. I reuse the rods as they're not damaged. Finally, here it is! I couldn't find a replacement Duratec...

Last time I  rebuilt the engine  I bought a generic Duratec loom from SBDev . Very nice quality and well made loom. But as it only had wir...

A Duratec 2.3 engine can safely be revved up to 7200 rpm with the standard valve springs. With uprated springs it the limiting factor is the...

Bad start this year.  The fuel surge on  last trackday  caused more damage than I initially thought. Damaged spark plugs. These ...

This years first trackday was a warm day with blue skies on Mantorp and a huge mix of different types of cars. Things didn't go...

Last attempt to weight my car using bathroom scales failed miserably , so I took a trip to  Speedlab Racing  and got help so set up ...

On a thread on  Pistonheads  someone claimed that wider tyres doesn't mean more grip. Theoretically, the tyre size does not change gr...

Mega downforce nose cone whiskers for less understeer in fast corners. These beasts will add at least 50g of downforce even at low speed...

There is a supercharged CSR for sale at PistonHeads  with some interesting technical solutions. As one can see the air intake is o...

Last summer I bought new exhaust manifold because the old EU4 manifold was warped and had a crack in the collector. The new ones has been l...

I've been looking for corner weight scales for rent at a reasonable price for some time now without success. At the local Biltema stor...

A couple of YouTube clips ( here and here ) made start thinking about getting a full roll-cage for my car.  When a found one second ...

After my engine rebuild I changed the oil system to an open system and needed a catch tank. Until now I've been using a temporary solu...

There was a play in the joint between the rocker arm and damper in the front suspension, noticeable when I jack the car up, removed the wh...

I've noticed that my front wings move quite a lot when I brake, and that have become worse over time. I also have a brake judder on the ...