i got a 1999 ta ws6 with only minor upgrades on it. my third gear keeps on grindin, sometimes popin out of gear (it grinds only when im shiftin fast) when crusing the gear shift very smoothly.... i need help the guy that i got the car from said he had the tranny cheked nd that it was fine plz could someone tell me wat to do.... thank you

 

#1 you should have posted this in the manual transmission section. #2 sounds like syncros or maybe a bent shift fork.