1 Answer

go to this site - its a little complpicated:  http://www.ehow.com/ehow_radlinks_ads.html?term=Horsepower+Calculator&channel=car_car_maintenance,text,suggested7&google_rt=ChBPlovvAASccwpAAfOxHSXjEhVIb3JzZXBvd2VyIENhbGN1bGF0b3IaCMDC-bpd-nZ9KAFSEwjmiOzFrs2vAhUCAkAKHUpEhe4&google_kw_type=radlinks&google_rts=ChBPlovvAASccwpAAfOxHSXjEhVIb3JzZXBvd2VyIENhbGN1bGF0b3IaCMDC-bpd-nZ9KAFSEwjmiOzFrs2vAhUCAkAKHUpEhe4|ChBPlovvAAScfwpAAfOxHSXjEgpIb3JzZXBvd2VyGgg3b0w4pR0GVigBUhMI5ojsxa7NrwIVAgJACh1KRIXu|ChBPlovvAAScgQpAAfOxHSXjEg5Db252ZXJ0IFdlaWdodBoImmIDqte5tN4oAVITCOaI7MWuza8CFQICQAodSkSF7g|ChBPlovvAASchApAAfOxHSXjEg5NZXRyaWMgQ29udmVydBoIlkgM53-fZRMoAVITCOaI7MWuza8CFQICQAodSkSF7g|ChBPlovvAASchgpAAfOxHSXjEhNHTSBUcnVjayBIb3JzZXBvd2VyGghZesCKtFWe1igBUhMI5ojsxa7NrwIVAgJACh1KRIXu|ChBPlovvAASciQpAAfOxHSXjEhVDb252ZXJzaW9uIENhbGN1bGF0b3IaCCMIUqrnUiAjKAFSEwjmiOzFrs2vAhUCAkAKHUpEhe4|ChBPlovvAASciwpAAfOxHSXjEgdDb252ZXJ0GghAtCxPMS6IIigBUhMI5ojsxa7NrwIVAgJACh1KRIXu|ChBPlovvAAScjQpAAfOxHSXjEgJDQxoIXxW0n6dpvZsoAVITCOaI7MWuza8CFQICQAodSkSF7g|ChBPlovvAAScjwpAAfOxHSXjEhpVbml0IENvbnZlcnNpb24gQ2FsY3VsYXRvchoIVX1hVcDB5dMoAVITCOaI7MWuza8CFQICQAodSkSF7g|ChBPlovvAASckQpAAfOxHSXjEg1Db252ZXJ0IEltYWdlGgh-GH-AaknuQCgBUhMI5ojsxa7NrwIVAgJACh1KRIXu&radkws=Horsepower%20Calculator%7CHorsepower%7CConvert%20Weight%7CMetric%20Convert%7CGM%20Truck%20Horsepower%7CConversion%20Calculator%7CConvert%7CCC%7CUnit%20Conversion%20Calculator%7CConvert%20Image&google_page_url=http%3A%2F%2Fwww.ehow.com%2Fhow_7761971_covert-horsepower-cubic-inches.html&contentid=7761971&studioid=17cc98ec-0246-4139-bf2e-537f7b728175&category=Cars&subcategory=Car+Maintenance&skin=corporate&categoryid=7