My brother is complaining to me because he's found that his transmission is noisy when idling in neutral with the clutch out. He describes the sound to be similar to a loose bolt in the bellhousing.
I've told him 3-4 times that it's most likely his input shaft bearing and it's amplified by the fact that he has a lightened flywheel and his Getrag is one that uses ATF. We put RP Syncromax in it.
What I wanted to know is if it is safe to put a thicker gear oil in the tranny or if there are any other tricks to get the transmission and him to STFU.
I've told him 3-4 times that it's most likely his input shaft bearing and it's amplified by the fact that he has a lightened flywheel and his Getrag is one that uses ATF. We put RP Syncromax in it.
What I wanted to know is if it is safe to put a thicker gear oil in the tranny or if there are any other tricks to get the transmission and him to STFU.
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