C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Does a stock 90' ECM have a rev limiter?

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Old Dec 26, 2001 | 11:11 AM
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Default Does a stock 90' ECM have a rev limiter?

What is it set at? Thanks
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Old Dec 26, 2001 | 11:21 AM
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Default Re: Does a stock 90' ECM have a rev limiter? (Budman78)

fuel cutoff is at 10,031rpm with fuel resume at 9544 rpm. Of course, these vaulues can be changed if one needs more room to work with!!
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Old Dec 26, 2001 | 02:55 PM
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Default Re: Does a stock 90' ECM have a rev limiter? (Marcho Polo)

:eek: :eek: :eek: 10,000 wow.
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Old Dec 26, 2001 | 07:16 PM
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Default Re: Does a stock 90' ECM have a rev limiter? (Budman78)

:eek: :eek: :eek: 10,000 wow.

:yesnod: I don't think it's meant to be used!!!! :D :D :D :D
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Old Dec 26, 2001 | 10:29 PM
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Default Re: Does a stock 90' ECM have a rev limiter? (Budman78)

:eek: :eek: :eek: 10,000 wow.
...And that's in conjunction with fuel cutoff at 255mph...And fuel resume at 227mph...

...I think these are pretty realistic...Don't you??? :crazy:
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Old Dec 27, 2001 | 12:07 AM
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Default Re: Does a stock 90' ECM have a rev limiter? (Rich B.)

I guess I'm going to have to upgrade the brakes now. 227 mph. The reason I was asking was:
1) I was hoping I had a rev limiter for the NOS.
2) I was experiencing some cutout at high revs. I guess it is valve float or fuel stavation.

No NOS, until all is well to 6,000 rpm. My decor plate was coming off the other day, so I may also have a vacuum leak also.
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Old Dec 27, 2001 | 09:18 AM
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Default Re: Does a stock 90' ECM have a rev limiter? (Budman78)

I was hoping I had a rev limiter for the NOS.
Reprogramming the RPM limit in the chip should work. I have mine set lower (4800 I believe) but have never hit it.
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Old Dec 27, 2001 | 10:54 AM
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Default Re: Does a stock 90' ECM have a rev limiter? (Rich B.)

I was hoping I had a rev limiter for the NOS.

Reprogramming the RPM limit in the chip should work. I have mine set lower (4800 I believe) but have never hit it.

problem with this is the chip only controls fuel cutoff.... if you are on the bottle and all of a sudden there is no fuel.... well, it's not pretty!

Best way to control revs are with ignition cutoff.
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