Acceleration times
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Acceleration times So i have an 81 camaro and say like i get about 0-60 in 6.1 seconds and its got 2.56 rear end gears yeah really high i swapping racing gears in and i was wandering how much more time would i gain with moving lower to 3.42 or 3.73 but see i want to drive it on the highway but its a 3 speed auto , so i dont have the overdrive gear to work with, so how much more time will i gain with 3.42 for 6.1 seconds or 3.73 for 6.1 seconds how much would i gain for time from each of those two gears and will i feel a diffrence or not thanks everybody 
What a ridiculous answer.
What kind of power are you making/what size engine?
What are your RPM's like at 65mph? This would be important to know since you are concerned with highway driveability in your 3spd.
What is the transmission in the car? Do you know the individual gears ratio(1st, 2nd, 3rd)?
With that info you can search/recieve a better answer.
That said, yeah, you'll feel the difference. I would probably stay away from 3.73 since you said driving on the highway is something you do. 3.23 or 3.42 would be nice and you'll feel a big SOTP difference.
What kind of power are you making/what size engine?
What are your RPM's like at 65mph? This would be important to know since you are concerned with highway driveability in your 3spd.
What is the transmission in the car? Do you know the individual gears ratio(1st, 2nd, 3rd)?
With that info you can search/recieve a better answer.
That said, yeah, you'll feel the difference. I would probably stay away from 3.73 since you said driving on the highway is something you do. 3.23 or 3.42 would be nice and you'll feel a big SOTP difference.
My 79 Z28 has factory 3.73's (4-speed), and on the highway, it's buzzing 3000-3200 RPMs at 60-ish MPH. 70 MPH you can literally watch the gas gauge move. With a non-lockup torque converter a la TH350, you'll be turning even more than that.
So, you need to decide whether you want highway performance or acceleration.
As for specific times you will gain, I will defer to BombGuy's answer. His answer is as good as any in this thread, it's all a WILD *** GUESS until you do it and put the damn thing on a track.
So, you need to decide whether you want highway performance or acceleration.
As for specific times you will gain, I will defer to BombGuy's answer. His answer is as good as any in this thread, it's all a WILD *** GUESS until you do it and put the damn thing on a track.
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From: San Diego
Here is the point:
A) 0-60mph time is the most pointless 'measurement' of a cars performance ever thought of, and is usually only quoted by magazine racers who don't know anything about cars.
B) Following the tried and true path to quickness of gears and stall in an automatic works, however there is no way to correlate that into 0-60mph times. Gears and stall will always make a car quicker. Slower, but quicker.
C) Instead of looking for/at 0-60mph times, you should probably be looking at 1/8th mile times, because 60mph is about what the car will trap in the 8th... ok, just kidding, couldn't resist, but that is a much better measurement of a cars stop-light to stop-light acceleration.
D) If you are making any sort of decent power, gears and stall will require you to run better tire on the street, so keep that in mind as you might just light the tires up everywhere you go.
A) 0-60mph time is the most pointless 'measurement' of a cars performance ever thought of, and is usually only quoted by magazine racers who don't know anything about cars.
B) Following the tried and true path to quickness of gears and stall in an automatic works, however there is no way to correlate that into 0-60mph times. Gears and stall will always make a car quicker. Slower, but quicker.
C) Instead of looking for/at 0-60mph times, you should probably be looking at 1/8th mile times, because 60mph is about what the car will trap in the 8th... ok, just kidding, couldn't resist, but that is a much better measurement of a cars stop-light to stop-light acceleration.
D) If you are making any sort of decent power, gears and stall will require you to run better tire on the street, so keep that in mind as you might just light the tires up everywhere you go.
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Joined: Jun 2005
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From: England
Originally Posted by Bombguy99z28
Here is the point:
A) 0-60mph time is the most pointless 'measurement' of a cars performance ever thought of, and is usually only quoted by magazine racers who don't know anything about cars.
B) Following the tried and true path to quickness of gears and stall in an automatic works, however there is no way to correlate that into 0-60mph times. Gears and stall will always make a car quicker. Slower, but quicker.
C) Instead of looking for/at 0-60mph times, you should probably be looking at 1/8th mile times, because 60mph is about what the car will trap in the 8th... ok, just kidding, couldn't resist, but that is a much better measurement of a cars stop-light to stop-light acceleration.
D) If you are making any sort of decent power, gears and stall will require you to run better tire on the street, so keep that in mind as you might just light the tires up everywhere you go.
A) 0-60mph time is the most pointless 'measurement' of a cars performance ever thought of, and is usually only quoted by magazine racers who don't know anything about cars.
B) Following the tried and true path to quickness of gears and stall in an automatic works, however there is no way to correlate that into 0-60mph times. Gears and stall will always make a car quicker. Slower, but quicker.
C) Instead of looking for/at 0-60mph times, you should probably be looking at 1/8th mile times, because 60mph is about what the car will trap in the 8th... ok, just kidding, couldn't resist, but that is a much better measurement of a cars stop-light to stop-light acceleration.
D) If you are making any sort of decent power, gears and stall will require you to run better tire on the street, so keep that in mind as you might just light the tires up everywhere you go.
The trouble with comparing 1/8 or 1/4 mile times is how much time to cover a set distance.
Where as 0-60 or 0-100mph is how long it takes to reach a particular speed. I agree that 0-60mph is the most pointless, I prefer 30-70 through the gears as a better comparison of a cars performance.
BUT 0-60 can still be helpful, in the UK the national speed limit for single carriage way road is 60mph. So if you pull out of a turning onto a national speed limit road, the 0-60mph time will give you an indication on how LONG it will take to reach 60mph, instead of how FAR down the road it will take you to before you reach 60mph.
A subtle difference, but still rather benifical.
Thread Starter
Teching In
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Originally Posted by Bombguy99z28
Well, 3.42s will get you to 5.234234b123 seconds and 3.73s will get you to 3.432234234 seconds.
Damn, now I don't feel bad for you, you're a moron. Bombguy was breaking your *****.
There's no way of gauging exactly what your time would be, and 0-60 times are not very relevant is what everyone was getting at.
I would recommend a 3.23 or 3.42(max) if highway driving is a concern.
With 400hp traction for launching will also be a big concern.
There's no way of gauging exactly what your time would be, and 0-60 times are not very relevant is what everyone was getting at.
I would recommend a 3.23 or 3.42(max) if highway driving is a concern.
With 400hp traction for launching will also be a big concern.
Last edited by Hoss Ghoul; Dec 7, 2005 at 05:36 PM.
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From: San Diego
This is the pertinant informaiton that you should consider, of the info that I posted.
Originally Posted by Bombguy99z28
Here is the point:
B) Following the tried and true path to quickness of gears and stall in an automatic works, however there is no way to correlate that into 0-60mph times. Gears and stall will always make a car quicker. Slower, but quicker.
D) If you are making any sort of decent power, gears and stall will require you to run better tire on the street, so keep that in mind as you might just light the tires up everywhere you go.
B) Following the tried and true path to quickness of gears and stall in an automatic works, however there is no way to correlate that into 0-60mph times. Gears and stall will always make a car quicker. Slower, but quicker.
D) If you are making any sort of decent power, gears and stall will require you to run better tire on the street, so keep that in mind as you might just light the tires up everywhere you go.
Thread Starter
Teching In
Joined: Jun 2005
Posts: 42
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Originally Posted by Bombguy99z28
This is the pertinant informaiton that you should consider, of the info that I posted.
