Quote:
Tech Article at MustangWorld:
I was racing my new mustang, my engine gave me trouble at high rpms, what could this be ?
Don't worry, you probably hit the rev limit built into your stock ECC computer. The stock computer will not let you rev your engine real high, depending on your Mustang, this limit could be around 5000 for the 5.0, 6000 for the 4.6L GT and 6500 or so for the 4.6 Cobra. If you noticed a "putt, putt" type of sensation at very high rpms, then it's most likely the rev limiter. The rev limiter reduces the fuel flow to the engine at high rpms to prevent engine damage for warranty reasons (which is smart for Ford). Racers can buy a chip that will raise the rev limit (or remove it), so you can venture into higher rpm levels at your own risk while racing. If you are running a heavily modified Mustang, then it could be your fuel pump is starving the engine at high rpms.
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You know, I've heard some really dumb stuff about the site, but this is one of their tech articles. Not only do they manage to grossly misrepresent fuel cutoff engine speeds, but they didn't both to check the article enough to make it
EEC, not ECC. They also talk about them road racing with plugs in their tires and all kinds or ridiculously stupid stuff. That is the site's technical article stuff.
Terrible.