i have a b16 tranny...((ys1))..it grinds in third gear wen im at high rpms...i heard dese trannys are really delicate...question is...is my tranny gone...or is it a lil problem..should i get a new tranny?..i mean it only grinds on 3rd...do i need more gear oil?!!..[&:]

 

the synchros are worn. you either need a rebuild or a new tranny. oil might help a little if its low, but its not going to cure it.