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build diary

July 8, 2004: I can feel a thrash looming.
If I want to have this car on the track at the Flyin' Miata Open House in late August, I need to get a few things sorted. Time to get down to work!

The first step is the header. After some playing with pool tubing, I've managed to figure out the best hose routing and arrangement. It was very interesting work as I've never done anything quite like this before. My little Caterham model provided a certain amount of inspiration and confirmed my choice of where to pass through the frame. However, the engine in my car sits much further back than in a Caterham so it was only a starting point. I ended up arranging the pipes differently in the collector. Keith Armstrong also provided me with a link to a wonderful website showing two Caterham exhausts. Of course, I received his email after I'd come up with my design! It wouldn't have changed much, as you can see the difference in engine location from that page. But it has inspired me to try one more change to the #1 tube.

I also decided to pull the radiator to fix a small leak where I had moved one of the fittings. I didn't think this through completely and the entire cooling system drained onto the floor through the water pump outlet. Of course the car is too low to put any sort of pan under there at short notice...

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