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Replacing synchros- only replace for my 2-3 grind, or replace more?

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Old 01-21-2009, 08:05 AM
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Default Replacing synchros- only replace for my 2-3 grind, or replace more?
I think they run ~$150/pc. I'm replacing 2nd and 3rd, any others? I hate to throw away $$ when there are other things I need to repair/replace.

All the synchros have been redesigned I hear.
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Old 01-21-2009, 08:09 AM
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Compared to cost of labor to do the replacement I think I'd get the lower 3 gears done
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Old 01-21-2009, 08:13 AM
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my 4th is going, IMO replace that one too.
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Old 01-21-2009, 08:37 AM
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second that
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Old 01-21-2009, 09:59 AM
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Default What exactly do you define as "syncro grind"?
Im pretty sure ive got syncro problems from 1st to 2nd gear, what does it feel like?
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Old 01-21-2009, 11:17 AM
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Default Feels the same as grinding a gear from a poor shift
only the car does it for you. I used to get a grind when I shifted from 2nd to 3rd gear above 4,000 rpm before I switched to redline MT90. If I doubled clutched it wouldn't grind. Which means it is most likely a synchro problem.
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Old 01-21-2009, 11:18 AM
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If you do a full, careful clutch when shifting and you still grind your syncros are likely at fault
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Old 01-21-2009, 11:20 AM
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Ya, the R&R cost is the killer. Get them all done.
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Old 01-21-2009, 12:10 PM
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Are you already using MT-90?
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Old 01-21-2009, 12:19 PM
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Default yeah, been using it for the last 40k miles
I'm replacing the clutch at this time, so it makes sense to fix the transmission the right way.
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