Has anyone ever tried these? On our cars they come 60,70,80, and 100mmhttp://cgi.ebay.com/ebaymotors/70mm-Universal-Throttle-Body-CNC-BILLET-GDF-2-5RS-R30-_W0QQcmdZViewItemQQhashZitem4aa4e69e2eQQitemZ320594157102QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories