Formula using HP, Torq, Weight to calculate 1/4 mile time
12-05-2001, 12:19 AM
#1
trying to get a lil V-I
Thread Starter
Formula using HP, Torq, Weight to calculate 1/4 mile time
As the topic says, I'm wondering if there is a formula that you could plug in to calculate the 1/4 mile trap time and speed?
12-05-2001, 12:30 AM
#2
Suzuka Master
12-05-2001, 11:25 AM
#4
Happy CL-S Pilot
Accurate.... not very acurate, I punched 3550lb+200lb+50lb and 15.1 slip and came up with 218.14 HP on the wheels. I have only a CAI so it should be 205 HP. It is just 6% off.
12-05-2001, 01:40 PM
#5
Suzuka Master
Originally posted by Nashua_Night_Hawk
Accurate.... not very acurate, I punched 3550lb+200lb+50lb and 15.1 slip and came up with 218.14 HP on the wheels. I have only a CAI so it should be 205 HP. It is just 6% off.
Accurate.... not very acurate, I punched 3550lb+200lb+50lb and 15.1 slip and came up with 218.14 HP on the wheels. I have only a CAI so it should be 205 HP. It is just 6% off.
2. You would probably want to use the additional pages to adjust your 15.1 for altitude, barometer, and temp (to get a corrected time). The following link will correct your ET for barometric pressure and temperature.
http://www.prestage.com/carmath/calc...o_standard.asp
The altitude would need to be corrected with the "standard corrections table" -- if it even applies...
Things that to consider:
1. Track conditions (they do change) -- it won’t consider wheel weight, wheel hop, and/or traction issues..
2. Flat torque (nice linear climb in HP) vs. peaky HP (and torque all over the place). For example, the torque in the non-header CLS drops around 5K (and really drops), where it stays flat and peaks around 6K with the headers.
3. And other "stuff"...
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