July 19, 2011 - Lots of little jobs on the car.
One of them is running a constant power supply to the engine computer. I have a kill switch that I use to cut all power to the car when it's sitting, partly to make it easier to work on and partly to ensure no current draw. Well, the GM computer forgets how to make the engine idle every time it loses power, leading to a cranky engine on restart. So I've run a single wire from the battery to the computer in order to keep its memory. It's a very small draw, not enough to tickle the big Optima battery.
I also spent some time tuning the car this morning. Or more accurately, I spent some time learning the ins and outs of the tuning techniques. I'll make some changes to the computer program tonight. Overall, the car's pretty happy and I've been underestimating the amount of power on tap. I think the very well developed chassis is handling the power so well that it's disguising just how potent the car is.
The intake temperatures were better, but still could be lower. I tried popping one headlight up by a few inches and the temperatures dropped significantly at speed - down to maybe 10F over ambient. So it looks as if a bit more ducting would be beneficial.
tags: wiring, weight loss |
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