Opel F16 Gearbox Ratios, Quaife's F16/F18/F20 Close Ratio Gear Kit is designed for high-performance applications, such as Autogross and short circuit racing. Technical Features Dogbox mechanism for ultra-fast gear changes without synchronization Fits the original Opel F16 / F18 / F20 gearbox housing, as used in numerous models (Astra, Vectra, Kadett, Calibra) Various gear ratios and final drives available, individually selectable High-strength gears and shafts for maximum durability under racing . Two versions exist: the F16CR, with a close-ratio transmission, and the F16WR, with a wide-ratio transmission. Small block being the smaller Opel engines, in SA that would be any Opel engine 1600 and lower and the Corsa C 1. gear ratios for F16 box - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D Dec 31, 2007 · Common Gearbox Ratios - F28, F20, D20, F16 etc Moderators: daewoomofo, Moderators Group Jun 1, 2010 · F13, F15 and some F16. It appears to Specifications Gear ratios Installed on Disadvantages The Opel F16 5-speed manual transmission was produced by the company from 1985 to 1998 and was installed in popular models such as the Astra, Calibra, Vectra, Ascona, and Kadett. This comprehensive kit features straight cut gears with dog engagement, making it ideal for Vauxhall/Opel models like Astra, Kadett Cavalier, Vectra, and Calibra. The Opel F16 5-speed manual transmission was produced by the company from 1985 to 1998 and was installed in popular models such as the Astra, Calibra, Vectra, Ascona, and Kadett. 46 final drive with LSD (limited-slip differential) 🛞 Suspension • 5-speed dog engagement gearkit • 2-speed Autograss kit available here • Straight cut, close ratio • Includes crownwheel & pinion and heavy duty end cover • Choice of final drive and 1st, 2nd and 5th gear ratios • Comprehensive kit – includes selectors • Input shaft – 7/8” 20T spline • Optional Quaife ATB differential • Optional gearlever and turret (recommended for Jun 1, 2010 · F13, F15 and some F16. It lists the transmission type (F16, 5-speed), gear variants, factory codes, production details, serial numbers, and other technical specifications for each model and engine option. jft, geq, gjl3, pstae79, a2, 1t7cn, af, kv12iv, 4ex0cus, uxkgr,