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4600cc -> RE: What MPG and HP increasing devices NOT to buy! (8/17/2005 11:05:47 PM)
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Best thing for a led foot to do to get better MPG is advance ignition timing map. The higher the timing, the better the thermal efficiency of an engine (more heat is converted to power). As long as detonation does not occur it is all good. Since more heat is converted to power it also means that less heat escapes through exhaust gases, cats need heat to work, you can burn them easily. Advanced timing also makes some nasty gases, which are bad for environment. If you ever been to a race, you probably know the smell, that's what you should be getting on your car for max power.
Results for me were from 230 miles per around 15 gallons to 310+ miles per around 15 gallons. I was led footing 4000 lb vehicle with 4.6 around the town.
The trick is, you can't do this using your ECC-IV or V, not even if you have the latest of programming equipment. There is just no way around emissions in their computer program. You'd need an aftermarket computer for EFI or ignition. I used Megajolt with EDIS-8. People who use this are mostly racers and this technology is mostly used for racing, off road, since it is experimental and non emissions compliant. It give both more power and better fuel efficiency, the concept is simple, advance timing. On your stock 4.6 you also running a risk of blowing a crappy stock piston if your timing is way too high.
[image]http://www.emeraldm3d.com/software_m3dss.jpg[/image]
AL
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