Some Useful Equations

If you know the formula for something that you think would be useful, or find an error, or have more defaults you would like to see added (like other transmission ratios) email it to me mark@1bad69.com

 

MPH Calculator
Tire Height (in):

  

Differential Ratio (Rear End Gear): 

 

RPM:     

Transmission Gear Ratio's (1st-6th): Known Gears for 

 
 

    Speed (MPH):

 

 

1/8 to 1/4 Calculator

  (1/8) ET:  

  

(1/8) MPH:  

 

   (1/4) ET: 

 

(1/4)  MPH:  

  

 

Hp Calculator

Race Weight:  

 

              (1/4) ET: 

  

(1/4) MPH:  

 

   ET HP(ground):

 

MPH HP(rw):  

  

 

 

Compression Ratio

 Bore

Stroke

# Cyl
 

displacement (ci)
  

 

Piston Deck Clearance 

Clearance volume cc  

 

Compressed Gasket Thickness
 

Gasket Volume cc 
 

Combustion chamber
 volume cc
 

Piston dome volume
 - if dished cc
 

Total Chamber Volume cc
  

Compression Ratio
 :1
 

 


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