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OK, so I just dropped my G-Timer into my car for the first time today and ran a few experiments. After slowly and nicely warming up my car, I went for a little ride. I wanted to record some acceleration forces that we can all compare here and use as before / after baselines for different modifications. I guess the G-Timer is really an electronic butt dyno, but one without emotion or a sub-conscience. So it can be a good tool for us all to use.
I started with some full throttle pulls in 2nd, 3rd and 4th. Then I did a couple 1st. I did several pulls and the consistency was incredible (+/- 0.01 G difference). It didn't seem like there was anything I could do to make the car pull any harder than my first runs.
My car is a bone stock Cayman S with just over 2,000 miles. I am running 93 octane fuel and this morning it was 61 degrees F with 81% humidity where I was driving. Here are my pulls:
1st Gear - 0.64 G
2nd Gear - 0.43 G
3rd Gear - 0.33 G
4th Gear - 0.25 G
After running these pulls, I found a nice flat place that I could do a 1/4 mile run. Here is what I did:
I was EXTREMELY pleased with these numbers. I expected them to be much higher because I refuse to dump my clutch or otherwise beat my car. I left a stop like I would leave any red light. I engaged the clutch just off of idle and once it was engaged I pushed the loud pedal to the carpet. I shifted quickly, firmly and gently. No power shifting.
I was stunned when I scrolled through the list and saw that 0-60 time. So lets see your results. Is my car on par?
Wow, you beat Porsche's stated 0-60 mph time. Nicely done!
Great idea for a thread, I'd like to see what everyone is pulling. I guess that means I'll be placing an order of Escorts G-Timer. Thanks, GB, now I have to explain to my wife why this is a must have item.
Actually, now that I think of it, I was running with my climate control on, PASM in normal, SC off, PSM fully engaged. I wonder what I could pull if I pressed all the buttons and was willing to leave the line with a little tire spin....?
PASM - Porsche Active Suspension Management
This active damping system offers continuous adjustment of individual damping forces based on current road conditions and driving style.
The driver can choose from two setup modes, ‘Normal’ and ‘Sport’, using a separate ‘damper’ button on the center console. ‘Normal’ mode is designed for general road driving and circuits with uneven tarmac. ‘Sport’ mode is intended for smoother track surfaces, where the harder settings help eliminate pitch and roll.
In either mode, PASM continuously evaluates the current conditions while automatically selecting the corresponding damper rates from the respective set of mapped values.
A range of sensors are used to monitor the movement of the body under acceleration, braking and cornering maneuvers, as well as on poor road surfaces. The PASM control unit then evaluates this data and modifies the damping force on each individual wheel in accordance with the selected mode. The result is a significant reduction in body movement as well as a better grip on the road.
For example: if ‘Sport’ mode is selected, the suspension is automatically set to a harder damper rating. If the quality of the track surface falls below a certain threshold, the system immediately changes to a softer rating within the ‘Sport’ setup range. When the quality of the tarmac improves once more, PASM automatically returns to the original, harder rating.
Need more information about PASM? Click this link: FAQ for PASM
PSM - Porsche Stability Management
While it can’t overcome the laws of physics, the revolutionary Porsche Stability Management (PSM) system does lend an added degree of balance and control to the Cayman’s mid-engine driving dynamics, inspiring surefooted confidence in corners and extreme situations.
A standard feature on the Cayman and Cayman S, PSM continuously monitors steering input, road speed, yaw velocity and lateral acceleration to calculate the actual direction of travel. If the car begins to steer off line, PSM instantly intervenes with precision brake inputs on individual wheels to help bring the car back onto the driver’s intended path.
If braking alone isn’t enough to correct the vehicle’s cornering line, PSM then calls on the Cayman’s engine management system, adjusting engine output as needed to help stabilize handling. PSM can also compensate in an instant for mid-corner changes in load resulting from deceleration or braking. When Sport mode is selected with the optional Sport Chrono Package, PSM’s threshold for intervention is raised, allowing for greater driver involvement. If you prefer driving without automatic PSM assistance, the system can be set to standby at any time. In this case, it will only intervene under heavy braking, where both front wheels exceed the ABS threshold.
For all of its technical ability, PSM goes virtually unnoticed in everyday driving situations, preserving the Cayman’s natural agility.
Actually, now that I think of it, I was running with my climate control on, PASM in normal, SC off, PSM fully engaged. I wonder what I could pull if I pressed all the buttons and was willing to leave the line with a little tire spin....?
I think the only one that would make a power difference would be the climate control but that kicks off when you start going over 4200 rpm, PSM maybe???
What is the accuracy of that timer? Is there an error band for the mph and time?
PASM - Porsche Active Suspension Management
This active damping system offers continuous adjustment of individual damping forces based on current road conditions and driving style.
The driver can choose from two setup modes, ‘Normal’ and ‘Sport’, using a separate ‘damper’ button on the center console. ‘Normal’ mode is designed for general road driving and circuits with uneven tarmac. ‘Sport’ mode is intended for smoother track surfaces, where the harder settings help eliminate pitch and roll.
In either mode, PASM continuously evaluates the current conditions while automatically selecting the corresponding damper rates from the respective set of mapped values.
A range of sensors are used to monitor the movement of the body under acceleration, braking and cornering maneuvers, as well as on poor road surfaces. The PASM control unit then evaluates this data and modifies the damping force on each individual wheel in accordance with the selected mode. The result is a significant reduction in body movement as well as a better grip on the road.
For example: if ‘Sport’ mode is selected, the suspension is automatically set to a harder damper rating. If the quality of the track surface falls below a certain threshold, the system immediately changes to a softer rating within the ‘Sport’ setup range. When the quality of the tarmac improves once more, PASM automatically returns to the original, harder rating.
Need more information about PASM? Click this link: FAQ for PASM
PSM - Porsche Stability Management
While it can’t overcome the laws of physics, the revolutionary Porsche Stability Management (PSM) system does lend an added degree of balance and control to the Cayman’s mid-engine driving dynamics, inspiring surefooted confidence in corners and extreme situations.
A standard feature on the Cayman and Cayman S, PSM continuously monitors steering input, road speed, yaw velocity and lateral acceleration to calculate the actual direction of travel. If the car begins to steer off line, PSM instantly intervenes with precision brake inputs on individual wheels to help bring the car back onto the driver’s intended path.
If braking alone isn’t enough to correct the vehicle’s cornering line, PSM then calls on the Cayman’s engine management system, adjusting engine output as needed to help stabilize handling. PSM can also compensate in an instant for mid-corner changes in load resulting from deceleration or braking. When Sport mode is selected with the optional Sport Chrono Package, PSM’s threshold for intervention is raised, allowing for greater driver involvement. If you prefer driving without automatic PSM assistance, the system can be set to standby at any time. In this case, it will only intervene under heavy braking, where both front wheels exceed the ABS threshold.
For all of its technical ability, PSM goes virtually unnoticed in everyday driving situations, preserving the Cayman’s natural agility.
I only tested mine once, on a nice flat piece of ground near a construction site.
less than half tank of gas, and modified as stated in my signature.
I did 6 runs, and they went from a low of 4.8 sec to a high of 5.3 secs. No quarter times.
I also came off the line fast with very little tire spin and hit the shift points pretty well. I would not want to abuse the car like that very many times.
__________________
Just sold my beautiful CS, now the fun begins as I look for its open top replacement...
Those are respectible times for sure, but don't tell Garrett that you easily beat the Porsche published time and some other magazine times without abusing your car. Now just imagine what kind of numbers you could get with 45+ more HP and abusing your car....
I think the only one that would make a power difference would be the climate control but that kicks off when you start going over 4200 rpm, PSM maybe???
What is the accuracy of that timer? Is there an error band for the mph and time?
I didn't experience any tire spin, so I doubt turning PSM off would have changed anything. Using SC might have made a tiny difference, only because I am not used to the hair trigger throttle response and it probably would have made my shifts harder. I agree on the A/C.
They are very accurate. I remember reading an article in either Car & Driver or Road & Track, can't remember which, and they found the Escort to be within a very tight margin of the uber $12,000 meter that they use. I can't remember the specifics, but I will do some searching and see if I can find the details. The biggest limitation to the accuracy will really be the surface. For example, if I launched my car down a hill, I would obviously get a very fast 0-60 time. Up a hill, it's going to be slower.
Quote:
Originally Posted by K-Man S
Those are respectible times for sure, but don't tell Garrett that you easily beat the Porsche published time and some other magazine times without abusing your car. Now just imagine what kind of numbers you could get with 45+ more HP and abusing your car....
Maybe someday, on the 45+ hp I mean.
PSM - Porsche Stability Management
While it can’t overcome the laws of physics, the revolutionary Porsche Stability Management (PSM) system does lend an added degree of balance and control to the Cayman’s mid-engine driving dynamics, inspiring surefooted confidence in corners and extreme situations.
A standard feature on the Cayman and Cayman S, PSM continuously monitors steering input, road speed, yaw velocity and lateral acceleration to calculate the actual direction of travel. If the car begins to steer off line, PSM instantly intervenes with precision brake inputs on individual wheels to help bring the car back onto the driver’s intended path.
If braking alone isn’t enough to correct the vehicle’s cornering line, PSM then calls on the Cayman’s engine management system, adjusting engine output as needed to help stabilize handling. PSM can also compensate in an instant for mid-corner changes in load resulting from deceleration or braking. When Sport mode is selected with the optional Sport Chrono Package, PSM’s threshold for intervention is raised, allowing for greater driver involvement. If you prefer driving without automatic PSM assistance, the system can be set to standby at any time. In this case, it will only intervene under heavy braking, where both front wheels exceed the ABS threshold.
For all of its technical ability, PSM goes virtually unnoticed in everyday driving situations, preserving the Cayman’s natural agility.
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