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Re: ok..this is a HONDA engine (more) (archive)

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Posted by MK on October 05, 1999 at 16:46:56:

In Reply to: Re: ok..this is a HONDA engine (more) posted by Brad Franklin on October 05, 1999 at 15:44:14:

: Ya right. I can tell you're not a mechanic. Sure a honda engine will take neglect because it is a well built engine, but it won't last 300K miles that way...

No, I didn't mean NO maintanence at all, but some are required, like changine oil once in a while.
No, I'm not a mechanic, but Honda's engine require less maintance than probably any other car I can think of the top of my head..

: No such thing. Probably the closest thing to the statement above would be a rotary, which has very little internal friction, and even then, there's still lots of friction on the rotor bearings.

If Honda designed their engines to achieve peak HP at such rediculously high rpms, don't you think they took this into consideration and at least put some effort into making sure the damn thing lasts?
It's funny to say an engine with a 9000rpm redline (S2K in this example) achieves 240hp at 8600rpm, and would have problems being kept there for periods of time.. That's the purpose.

: Yes they're designed to spin at those rpms without blowing up. Yes they're designed to produce hp at high rpms. But unless honda is withholding some new technology for low friction metals, they're using the same materials as everybody else: iron/aluminum/steel (and maybe a little titanium for the conn rods) covered with lots of oil. Works well but is not a frictionless surface by any means.

No, it's not a frictionless surface of course, but the stuff Honda uses in the NSX 3.2 is just amazing, can't really name all the details, but yes Titanium conn rods is one of them, along with other goodies specifically designed so that the engine withstands such high rpms.

: Sure, for hp has nothing to do with reducing internal engine friction. Internal engine friction can be helped, and can produce a little more hp, but CANNOT be reduced to the point where we can go about happily revving our motors to 8000 rpm CONTINUOUSLY and expect it to live as long as the guy who drives sanely. That's my point, nothing more, nothing less.

Of course there's a difference in engine wear of shifting at 3K, and shifting at 8K, but I have no doubt in my mind that that's what the engine is meant for.
In other words, revving that little 4 banger to 9000rpm is probably the same as revving your I6 to 7000rpm.
I'm sure that's not a deliberate attempt by Honda to prematurely make you blow up your engines right after your warranty expires.

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