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I was wondering how high I could safely rev my engine to. I've ready that due to the lack of friction surfaces and other things that plague piston engines, rotaries rev or can rev higher. I'm not looking for superbike revs, but is it safe to take over the 7k redline, at least only occasionally? 88 NA, SE model.
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its safe up to about 8500 give or take. theres no real power up there though
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Ive taken mine to 10,000 before..Ive got an 88 SE as well, with 158,000 miles on it...there is no limit...
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i meant 178,000 miles...
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10K's safe? stock ports?
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Uhhhhhhhhhhh................. anyone that says there is no limit obviously has never heard of e-shaft flex, or oil starvation..... and the stock ecu has a rev limiter around 8400.
for longevity 7500 is safe and plenty high enough for stock ports... |
10,000rpms? Running a bridgeport?
I find it good to shift at 7,000 rpms. Look up a dyno graph on stock ports, and see the power drop off. I don't have experience in dragging the car or racing, but on the street, the cars power is about 3k-7krpms. I have the same year and model. I NEED TURBO!! Or a streetport https://www.nopistons.com/forums/pub...IR#>/smile.png |
Thanks...I was worried about the eccentric shaft flexing or snapping due to my idiot antics.
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In my T2 I actually shifted at 6,500 while I was playing around with my brother and I felt like I did better than going all the way to 7,000 or even 7,500. I dunno.... o_O
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6500 is about here i shift as well, power dropoff starts just past there on a stock TII.
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i go all the way till the buzzer tells me to shift, but that's only occassionaly like with a new fresh tank of gas or at the drag strip. otherwise i usually shift between 5500 to 6000, long enough to feel the excitement of turbo power, but early enough to save some gas and engine life.
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Originally Posted by i.didnt.do.it' date='May 1 2004, 01:52 PM
Ive taken mine to 10,000 before..Ive got an 88 SE as well, with 158,000 miles on it...there is no limit...
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Originally Posted by i.didnt.do.it' date='May 1 2004, 01:52 PM
Ive taken mine to 10,000 before..Ive got an 88 SE as well, with 158,000 miles on it...there is no limit...
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Perhaps he has an aftermarket tach, or something like an SAFC.
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Rev a car to 10K RPMs? Many clutch and pressure plates have a sign on the side of the box that says not to rev the engine above a certain RPM. That’s because they can come apart. Exploding clutch components are the reason some racers run with scatter shields or tranny blankets. If a clutch or pressure plate comes apart at 10K without a tranny blanket/scatter shield, there’s a good chance it will come through the bell housing and the floor of the car.
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or he could just be a dumbass...
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theres always that possibility...but maybe he had the acceleration and enertia to continue to accel his engine past the redline, rev limiter, and just happened to have an aftermarket tach/safc to see it.
We dumbasses can smell our own. https://www.nopistons.com/forums/pub...IR#>/smile.png |
Or he could be running a Bridgeported motor?
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I've found that shifting at 7300 works the best on my stock port NA. Its not making anymore power up high but it keeps it high up enough on the next gear. The only place where my car feels like its accelerating is like 5500-7000 rpm https://www.nopistons.com/forums/pub..._DIR#>/dry.png
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Originally Posted by j9fd3s' date='May 2 2004, 11:49 AM
you can do that for a bit, but stuff does break. we had a stationary gear come out on us it wasnt pretty. pretty much destroyed the entire motor
How do you know it was 10K? The s4 tachs only go to 8K or he could just be a dumbass... |
Man, I can rev my rotary all they to 9500RPM, no problem.......haha
I wouldn't want to take a stock S4 n/a above 7500PRM, there's no pint to rev higher than that.... |
Originally Posted by i.didnt.do.it' date='May 3 2004, 11:38 AM
Its not like I sat there and floored it for 20 minutes...**** yeah something would break. The only reason I did that was because I had to go to work, and I forgot I left ATF in there, And I didnt have time to sit there and let it burn off, then replace the plugs...So I just revved it to 9-10 to burn it of real quick, then replaced the plugs...I only held it there for about 60 seconds, then dropped it to 6,000 and it quit smoking...I wasn't doing it to be a dumbass...I didnt think it would hurt it, and it didnt, it actually ran 100x better(ATF!!)...I get better gas milage too...
I figured around the 'Fuel' mark(where it says 'Unleaded Fuel Only') is about 9-10,000... Could be...lol... |
Stock seals=7500
7500+=Lightweight apex seals and knowing the clearences of your whole engine 7500++Balanced rotating assembly Gregory |
i shift at 8k at the strip with some bolt on's on my n/a
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