Quote:
Originally Posted by Ryephile
What load to you think it being presenting in an "SAE certified power" chart? This is rhetorical. It's WOT. Even if that's not explicitly stated in that chart circulating the internet. What the chart shows is SAE has certified the LT1 will make *that* power and torque from 1000 to 6000 RPM, and it's provable by taking your engine and putting in a dyno cell and running it across the same RPM band. It demonstrates that running WOT at 1000 RPM is not damaging, in fact it has a guaranteed output.
|
The above graph is a representation of engine power on an engine Dyno with a 1:1 ratio, alternator loads, cooling fans loads..etc but not the load of the vehicle.
What is the engines Ratio to the wheels in each gear? For example let's say you are at 800rpm in first vs 6th. What's the mechanical advantage in each gear? 1st being >1 and 6th being <1.
Going WOT in 6th at 800RPM results in Lugging. Give it a try for your self.
Also automatic transmission comment was more to show that they down shift to prevent high engine loads at given throttle position. For example you are towing something heavy and experience a small hill, and you apply more throttle slowly to keep the same speed. The transmission wil eventually downshifting to prevent prolong periods of high engine loads because lower gears have greater mechanical advantage.