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Discussion Starter #1
On a friend's GTR,it crunches getting into first if your in neutral when parked or moving,and sometimes when changing gears.

Could this be due to worn synchro or something else? Be worth uprating the gear's if it's going to be costly?
 

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I know 3-4 and 4-5 are prone to crunching but never heard of 1st crunching- that's new to me.
 

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Discussion Starter #4
yeah it's weird,3-4 and 4-5 are fine. I reckon some new gearbox oil may help,but no point spending £50 on oil if the 'box will be stripped and internals changed
 

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box out, clean shaft and re lube with a molly grease just a smear!
 
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