The info for the shaft are on the Bentley manual. I dont have for all modele ;-). I only have for 5000TQ,T, man auto... Need rear and front CV shaft lenght for 4000Q 1987 and 90Q or 80Q for 1988-89.. And i would like to know if the rear inside CV joint is the same for 90(big CV) and 4000Q thanks for info all. Denis