koi khaas faraq nahi parta engine aur gear box ko aur agar Mehran hay to phir to kuch nahi hota coz is k gear already bohot low hain....bohot se Mehran k users 25--30 mein 3rd gear lagate hain aur 40 mein 4th laga dete hain..
par ye be nahi k gaardi bilkul rukh gayee ho ya phir 10-15 speed mein ho aur aap gear change hee na karein...itna zulm b nahi karna chahye hay kiun gear box ko farq parta hay.....according 2 my mechanic clutch plate ko koi khaas nuqsaan nahi hota......aur engine ko kuch nahi be nahi hota agar hota be hay to to is tarah 10 saal regular chalane se shaayed tora sa ho.....
gear change karne k baad agar clutch padal ik dam chor diya jaaye to clutch plate ki life kam hoti hay....even high speed mein be clutch plate ko ik dum nahi chorna chaahye hay........is se tuning be out hoti hay if its in 1st gear.......
(My opinion not technical but what I feel and what my mechanic suggest or tell me coz I ask him everything about cars and he tell me 2 the best of his knowledge and experience but he is not a qualified mechanic)