Top speed calculations? - Team Camaro Tech
Tech 2002 General Tech questions from 2002
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post #1 of 3 (permalink) Old Apr 11th, 02, 04:59 PM Thread Starter
 
Join Date: Nov 2001
Location: Fernley, NV, United States
Posts: 1
hey guys...new user here. This really doesn't have anything to do with camaros, but I thought I would ask since you are the best...I have just built a hobbie stock race car, and I am trying to find a top speed equation to find out the top speed..any help would be cool...thanks
StalionSpecc is offline  
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post #2 of 3 (permalink) Old Apr 11th, 02, 07:50 PM
 
Join Date: Oct 2000
Posts: 86
Mulitply your top engine RPM by your tire size. Then divide that by your transmissions top gear times your rear end gears times 336.

example:

My motor will run to 6500 RPM, I have 28 inch tires, my M-20 4th gear ratio is 1.00, my rear gears are 4.11's. So it would look like this.

(6500RPM x 28inches)/(1.00 x 4.11 x 336)=131MPH

------------------
1968 Camaro
496 cubes / M-20 4 speed
12 bolt 4.11 posi.
matgo6 is offline  
post #3 of 3 (permalink) Old Apr 11th, 02, 08:01 PM
 
Join Date: Oct 2000
Posts: 86
Just in case you aren't sure how tall your tires are you can figure it out by looking at the size and calculating that too.

example

275/60 15

first number is width in millimeters, second number is aspect ratio (or height to width ratio) and last number is wheel size.

do this:

[(2 x width x 0.0394 x aspect ratio)/ 100]+ wheel size

mine is:

[(2 x 275 x 0.0394 x 60) / 100] + 15 = 28inches



------------------
1968 Camaro
496 cubes / M-20 4 speed
12 bolt 4.11 posi.
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