Rev Limiter
Rev Limiter I'm not sure if this is in the right section, but I was wondering if you could adjust your rev limiter. What does the stock one cut you off at? What should you be shifting at during racing?
Originally Posted by FormulaFire
I'm not sure if this is in the right section, but I was wondering if you could adjust your rev limiter. What does the stock one cut you off at? What should you be shifting at during racing?
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Joined: Mar 2004
Posts: 647
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From: Australia
Originally Posted by luv2spd
On the stock cam I don't think you'd benefit from raising the limiter. Shift around 6000 on stock cam.
Shifting at 6500 gained me 0.3s over 6000. You do the math.
Originally Posted by MNR-0
Well that all depends on your gearing. It has NOTHING to do with peak horsepower. A stock CAM stands to perform better at the track with the rev limiter raised than not - especially with Autos.
Shifting at 6500 gained me 0.3s over 6000. You do the math.
Shifting at 6500 gained me 0.3s over 6000. You do the math.
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Joined: Mar 2004
Posts: 647
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From: Australia
Stock? Well they will start to float and invoke their own soft limiter from 5200RPM on if they are dud. If they are good, they can go up to 6400RPM. I would put in valve springs if you want to rev. it any higher.
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this is for based on my simultion runs. i have obtained dynos in different gears on a very near-stock car (lid) for a regular M6.
On a 3-4 shift you put down about 3% more applied power in between 60-120mph run if you shift at 6400rpm instead of 6000.
so yes, even on stock power it pays off to shift higher.
On a 3-4 shift you put down about 3% more applied power in between 60-120mph run if you shift at 6400rpm instead of 6000.
so yes, even on stock power it pays off to shift higher.
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Verdad Gallardo HPTuners is what I use for changes.
Dyno's I obtained from a friend who's nuts enough to dyno his car in multiple gears. The analysis is done by a custom program I wrote.
The rest is just common knowledge (gear ratios, formulas for speed as function of gear,tire, and gear ratios, etc)
The next step for my program would be to convert the work done to actual time passed. Next weekend maybe
Dyno's I obtained from a friend who's nuts enough to dyno his car in multiple gears. The analysis is done by a custom program I wrote.
The rest is just common knowledge (gear ratios, formulas for speed as function of gear,tire, and gear ratios, etc)
The next step for my program would be to convert the work done to actual time passed. Next weekend maybe