Signs/Symptoms of Hitting the Rev Limiter
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From: Boring Green, Kentucky
Signs/Symptoms of Hitting the Rev Limiter Ok, some of you will think this is a newbie question, but I don't make it a habit of hitting my rev limiter! (So I wouldn't know, until maybe now.)
Yesterday, I was going WOT in 2nd, and just before I shifted into 3rd, the engine "sputtered" and popping sounds came out exhaust. I was watching my tach, and I was only at 6500 rpm (cammed car, limit at 6800rpm) when I shifted.
Is the stock tach that inaccurate (if at all)? How much? Will it show higher or lower than the engine spin?
I just had a full tune completed and everything was dialed in and I haven't done anything else to the motor.
Yesterday, I was going WOT in 2nd, and just before I shifted into 3rd, the engine "sputtered" and popping sounds came out exhaust. I was watching my tach, and I was only at 6500 rpm (cammed car, limit at 6800rpm) when I shifted.
Is the stock tach that inaccurate (if at all)? How much? Will it show higher or lower than the engine spin?
I just had a full tune completed and everything was dialed in and I haven't done anything else to the motor.
it very well can be off by that much sound limilar to hitting the rev limiter did you compensate for tire size and gearing when you had it tuned? not sure how you can check other than revving in neutral to 6500 but i wouldnt advise that lol.
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From: Boring Green, Kentucky
Originally Posted by foff667
it very well can be off by that much sound limilar to hitting the rev limiter did you compensate for tire size and gearing when you had it tuned? not sure how you can check other than revving in neutral to 6500 but i wouldnt advise that lol.
And I agree, 'not too crazy about trying to hit it again, neutral or on the road. Thanks.
On The Tree
Joined: Oct 2003
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The stock tach isn't as much inaccurate as it is SLOW. I can be hitting the rev limiter in first gear when the tach shows 600 rpm less than what the limiter is. First gear it is the worst because the engine RPM raises so quickly, then it's a little better in 2nd, and in 3rd I can usually go by what the tach is reading.
Best thing to do besides getting an aftermarket tach is getting a shiftlight put into one of your air vents.
Best thing to do besides getting an aftermarket tach is getting a shiftlight put into one of your air vents.
Originally Posted by Colonel
The stock tach is a joke. I only look at it when I'm doing my burnout. Raise the rev limiter and try again.
My 1-2 shift is at 5400 ,2-3 shift is 6000 as indicated on the stock tach.Anything over that is the rev limiter.
TECH Fanatic
Joined: Jul 2002
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From: San Antonio Texas
Good... I thought I was just imagining this on my car.
My Rev limiter is set at 6600 and I have to shift at 6400. What a joke. Maybe its time for a harlan shiftlight. Would that work any better than the stock rpm guage? or are they linked together?
One thing for sure is im not getting those big a$$ rpm guages.
My Rev limiter is set at 6600 and I have to shift at 6400. What a joke. Maybe its time for a harlan shiftlight. Would that work any better than the stock rpm guage? or are they linked together?
One thing for sure is im not getting those big a$$ rpm guages.
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Thread Starter
11 Second Club
Joined: Aug 2003
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From: Boring Green, Kentucky
Thanks Colonel and everyone. It's making sense to me now. The reply that said that the stock tach is "slow" (among other things) is dead nuts.
We had a cold snap down here in FL and the LS1 shoots into the red unbelievably fast when it cools down (low 60's, no humidity.) The 4.10 gears expedite this phenomenom.
This car typically runs in the summer for 6 months when it is 90 degrees with 90% humidity, which I hate.
It looks like a shift light for me! Thanks again y'all!
We had a cold snap down here in FL and the LS1 shoots into the red unbelievably fast when it cools down (low 60's, no humidity.) The 4.10 gears expedite this phenomenom.
This car typically runs in the summer for 6 months when it is 90 degrees with 90% humidity, which I hate.
It looks like a shift light for me! Thanks again y'all!
