Calculate your engine displacement

Posted by autoviceblogger on April 13, 2015

Dis­place­ment Chart for 4 Cylin­der Engines in CC’s Stroke BORE83 85.5 87 88 90 90.5 92 94 96.5 101.6 64 1385 1470 1522 1557 1629 1647 1702 1777 1872 2075 69 1493 1585 1641 1679 1756 1775 1835 1915 2019 2237 74 1602 1699 1760 1800 1883 1904 1968 2054 2165 2399 78 1688 1791 1855 … Read More

Compression Ratio:

Posted by autoviceblogger on April 13, 2015

Head CC’s + Cylin­der Dis­place­ment + Deck Height Dis­place­ment Com­pres­sion Ratio = _________________________________ Deck Height Dis­place­ment + Head CC’s If your Bore is 90.5mm, Stroke = 82mm, deck height = 1.5mm, HeadCC’s = 46CC Then your Cylin­der Dis­place­ment = 90.5×90.5x82x.0031416 ___________________ = 527.47 4 Deck Height Dis­place­ment = 90.5×90.5×1.5x.0031416 ____________________ = 9.65 4 There­fore: 527.47cc + … Read More

MPH = RPM x Tire Diameter (in inches)

Posted by autoviceblogger on April 13, 2015

Drive Ratio MPH in 4th Gear Fig­ured with 6000 RPM and a 4.86 Ring and Pin­ion w/ 1.13 4th Gear. MPH Exam­ple: 6000×25 Inches = 150,000 ______________________ = 81.32 MPH 5.49 x 336 1844.64 MPH x Drive Ratio x 336 RPM = ______________________ Tire Diam­e­ter (in inches) RPM in 3rd Gear Fig­ured with 25″ Tall … Read More