Performance Parts and Racing Parts Campbell Enterprises

Free Compression Ratio Calculator

 

 

We are making this compression ratio calculator available to our valued customers and website visitors so that you can research various engine combinations to make the best possible car parts buying decision. Please feel free to use this compression ratio calculator as much as you like and please also post links to this page on the internet so that others may take advantage of it also.

 

Mr. Gasket Hot Rod Calculator

INSTANT ANSWERS AT THE TRACK or IN THE GARAGE

mr gasket 8703 performance calculatorAt the track, see how weather and elevation will affect your times so you can instantly predict your dial-ins using current track conditions. Predict Elapsed Time and top speed for 1/4 mile or 1/8 mile runs. No computer, charts or workbooks needed.

This is also a great tool to use in the garage, trailer or on the road. It covers a huge range of calculations that are important to gearheads, everything from engine compression ration calculations to rear end gear ratio and tire size affects on rpm and mph.

  • Pre-programmed formulas for engine building and track tuning
  • Hand held, take it anywhere.
  • On the spot calculations of how engine modifications effect the vehicle setup.
The Hot Rod Calculator allows easy, on the spot, calculations of how engine modifications and at track vehicle setup changes can effect power output and track performance. Easy to use formulas for the professional or novice will show you how engine changes like compression ratio and air fuel mixture effect your engine's power and torque outputs. At the track, see how things like gear ratio changes or weather conditions can effect your E.T. (accurate weather data required). Hot Rod Calculator - Street and Strip performance calculator for use by racers, engine builders and automotive enthusiasts. This is the chance to know up front how changes will translate into power and performance, so before you spend your time or money, use the Hot Rod Calc to get the answers. Pre-programmed formulas for engine building and track tuning. Quick reference guide with 100s of formulas included for ease of use. Easy to use, self contained, no additional computer or monitors required (accurate weather data required for some ET calculations) Hand held, take it anywhere, and includes protective Armadillo case at no additional charge. Universal for or use to do any mathematical calculations related to engine performance and vehicle E.T.

We strongly endorse this product if you are serious about improving your vehicles performance and your success at the track.

Where to Buy

We do not sell Mr. Gasket products but we wanted to share this great tool with our customers. The best deal we have found on it is here: Mr. Gasket 8703 Hot Rod Calculator They have a low price guarantee, free shipping and they always get our orders to us fast.

 

 

Free Engine Piston Compression Calculator and Engine Size Calculator

Choosing the correct piston is one of the most important aspects of getting the best possible performance from your engine, in your exact application. We sell a wide variety of pistons from many different manufacturers, all with different specs. You can use this compression ratio calculator to compare different piston combinations, as well as seeing what changes in cylinder head chamber volume, block deck height and head gaskets have on final static compression ratio.

You can try different combinations by changing the head chamber volume ccs, engine block deck height, cylinder bore size, etc. and see how they affect compression ratio. This static compression ratio calculator is an accurate tool and can assist you with selecting the best combination of parts for your engine.

You can enter the displacement in ccs of the exact head gasket you are planning to use if you have that spec. Using the gasket ccs is a bit more accurate than using the gasket thickness as when using the thickness an approximation is made about the gasket ccs by the formula. To use the actual head gasket displacement volume do the following. In the "Gasket Thickness" field enter ".0001". Then add together the gasket displacement ccs with the "Head" ccs. For example, if you have a 64cc head chamber and a cylinder head gasket displacement of 9.2 ccs, then in the "Head" ccs field enter "73.2".

Compression Ratio Calculator and Engine Size Calculator

 

Bore in
Stroke in
Head cc's
Gasket Thickness in
Deck Height in
Dish or Valve Pocket [-] or Dome [+] cc's
Number of Cylinders

Displacement Cubic Inches
Compression Ratio

 

 

 

Race Math Engine Math Racing Math Formulas and Conversion Info

GV (Head Gasket Volume) = Bore(in) X Bore(in) X 12.87

    X (Head Gasket Thickness in Inches)



DV (Below Deck Volume) = Bore(in) X Bore(in) X 12.87 

    X (Inches Below the Deck)



HV (Head Volume) = CC's



VV (Dish, Valve Pocket, Dome Volume) = CC's 

(Minus for dish or valve pockets, Plus for dome)



PV (Volume displaced by Piston) = Bore X Bore X Stroke X 12.87



Compression Ratio = (GV+DV+HV-VV+PV) / (GV+DV+HV-VV)



Cubic Inches = Bore x Bore X Stroke X Number of Cylinders X .7854



Convert Cubic Inches to CCs = Cubic Inches X 16.386

Convert Cubic Inches to Liters = Cubic Inches X .016386 



Engine in Liters = (Bore(mm) X Bore(mm) X Stroke(mm)

X Number of Cylinders X 12.87) / (16386 X 1000)



Engine in CCs = (Bore(mm) X Bore(mm) X Stroke(mm)

X Number of Cylinders X 12.87) / 16386



Convert CCs to Cubic Inches = CCs / 16.386

Convert Liters to Cubic Inches = Liters / .016386   

 

 

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