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Originally posted by autowrench
reply to post by Binder
You are spot on, Binder, I admire your automotive knowledge. Former Automotive Engineer here, and I will add to this, it is a conspiracy of the worst kind. Up until about 197 automobiles has high energy ignition systems, 30-50,000 Volts. And the octane level output was a great deal higher.
I can remember when my car would burn the tailpipe out snow white, and my engine valves would be clean after 50,000 miles run time. I had several cars in those days, pre 70s cars, that easily got 40 mpg highway all the time.
Enter the 1980s, everything changed. first was a lower voltage ignition system was installed on all American cars, max output: 17,000 volts. That is enough voltage to burn off 70% of the fuel in the combustion chamber. Enter lower octane ratings, and now you are burning about 1/2 of the fuel. the rest is captured in the CAT. Also in 1980, a built in flaw was placed into every car manufactured in America. I am General Motors trained, so I only know about their obsolesce flaw. Here is it:
If you look at a wiring schematic for a post 1980s car, you will see that the power wires and all orange, or orange with a black stripe. If you trace them out, they go to everything on the car that need 12 V power, and if you trace further, you will see that all the orange wires come together at a common point. So, when something happens...like the little switch that turns the dome lights on and off shorts because it got wet, or the cigarette lighter shorts out, or anything else, tail light, headlight, any short at all, the system power drops dramatically. The car will stall, refuse to start, light will not work, or grow really dim, I am sure you GM drivers have seen this effect before, right?
I know how to fix this in any GM car, but you will have to fix it yourself, Garages will not do this.
You have to remove the dashboard to do this. Don't freak out, it's a lot easier than it sounds. when that is done, take the wire bundle in your hands and begin to unwrap the wires, looking for the orange ones. You will find a place, under where the dash was, where they all come together. Unwrap that good, and get yourself a 50 Watt breaker from the local auto parts store, about $10, and a roll of electrical tape. Cut the wires off, one at a time, and bare the wires, and apply a ring connector. Place all the rings on one side of the harness on one pole of the breaker, and the rest on the other pole. Tape the harness up good, and reinstall the dash, making sure all connectors are plugged in and cables attached right. Start the car, and drive trouble free for many miles. Power increases, start ups are faster, lights get brighter, everything electrical works better. Takes about 4 hours for an experienced mechanic.
My son and I have repaired over 20 GM cars this way in our garage days. One Chevy dealer paid me $500 to do this for them, they said it would void the warranty, but told me to fix it anyway, and the money was mine. This fix works great.
Installing a new high energy ignition system will double your mileage too, MSD makes excellent replacement parts for most all cars. I have a 6A digital ignition system with a 45,000 Volt coil, and Bosch double platinum plugs and Accel racing primary wires on my 1990 Chevy G-20 van with a 350 V-8 engine. We get 42 highway, and 30-35 city, with no CAT, and stock throttle body fuel system. Next step is to install one of these babies:
HHO Hydrogen Generator
In fact it runs better on garbage than petrol, you just have to clean the container out often, and keep it watery to pass through the little orifaces. People in europe build, and use them alot, no problem. They even run helicopters on them.
i think the cat legislation is simply law makers being totaly unaware of the facts but still making the rules because it suites the "system" more money for ignorance