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High RPM running. good or Bad or ok???

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Old 11-11-2009, 07:45 PM   #1
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High RPM running. good or Bad or ok???

ok. so i have a 1995 Toyota Tacoma with a 2.7L i-4 engine. today when i was driving, i started to get on it pretty good. not bad but that truck redlines at 5200 RPM's. the highest i had it today was 5000 for a 1/16 of a second. is that bad for my motor? it didnt go over the red line. and also, when i start out in first, it tends not to wanna go and hesitate. any tips??? thanks
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Old 11-11-2009, 07:50 PM   #2
With sufficient thrust, pigs fly just fine.
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Reving it wont hurt a thing. Also, I cleaned up your thread a little...It was hard to read.
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Old 11-12-2009, 11:01 AM   #3
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I'm sure it doesn't apply to all vehicles, but at least with the motorcycles I've owned, redline is the point at which the manufacturer didn't think it was safe for extended periods of time. In other words, anything under redline is definitely safe. The engineers design in some safety buffers, so even at redline you're not going to break anything.
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Old 11-12-2009, 12:00 PM   #4
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our engines are pretty well protected against doing harm to themselves with our driving them, so for split seconds that high i wouldnt worry about it
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Old 11-12-2009, 12:02 PM   #5
With sufficient thrust, pigs fly just fine.
chris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shedchris4x4 is one of the sharper tools in the shed
 
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To add:, I have had my First gen against the limiter for extended periods of time.....5 mins or so, of constant limiter usage. Never an issue. These engines turn around 1500 rpm than they are capable of spinning without damage. The limiter will not let it go into a danger area.
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Old 11-12-2009, 04:07 PM   #6
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I have a question about this though. In cold temperature, when over 5K rpm for an extended preiod of time, my temperature needle drops (water temp on scangauge too) to about 1/4 of the gauge. Nothing happens when running under 5k rpm, but if I get over 5K rpm for over 2-3 seconds, the temperature drops pretty fast. I have first noticed this today but had time to experience it a little. In a normal acceleration to redline in first, or second gear, the temperature has no time to drop significantly. Also, nothing happens if I don't go over 5K, temperature stay a solid 85 celcius. Also, when this happens, heat from heater ducts don'T seem to get colder...

Is that a kind of safety device, and is it a known behavior? I guess there could be a cold shock in very cold temperatures we get here (-30 celcius). Thank you.
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