I got all the peices of metal out that I could, then filled with Castrol Hypoy C and Pennzoil Synchromesh, the sound is way worse now. It's really bad when in gear with clutch out, and goes away once you push the clutch in. Backwards from before the fluid change! Gets a lot louder the more gas you give.
Last fluid change I used those two oils as well as Red Line lightweight shockproof. Do you think this missing ingredient is to blame for increase in noise or is it just that much more effed?