Perhaps I mis-stated what I meant. It was a little late.

He didn't mention anything about upgrades to his electrical system, only that the alternator was capable of producing twice or near twice the amperage of stock.

On the other hand, if you have a small output alternator and make it capable of prodicing a higher amperage than it was designed for, without upgrading all the other weak links int he system, somthin' is going to die. This fall under my "not working properly" blanket catagory.

My point is this;
It's kinda like the idea of putting a built Chevy 350 in a Montero and only using enough of the power available to move like a stock v6. That engine is going to last pretty much forever.

If you demand more power from the engine than the Montero was designed to use, something is going to break.

If you built the engine with crap parts and or didn't do a complete build, chances are that engine won't last. Like if you put domed pistons and a fat cam in and did nothing else (stock heads, no crank upgrades, etc.). Sure. it'll make a lot of power, but for how long? And how long will it last at a lower power output?

In the case of a Chevy 350, probably still quite a long time. So, for the sake of my little object lesson, let's say that you took a 6G72 and pumped it up to 410 hp (I've seen lots of small blocks doing this, so it's not unreasonable). But you did it by only replacing the cam, the pistons and the fuel injectors.

What's going to happen to that big bad engine at only 50% load?

Clay