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lazy 3rd gear synchro
After replacing my clutch and installing a Porsche short shift kit, my new problem uncovered is a weak 3rd gear synchro. Someone suggested a heavy duty gear oil might help until I can afford a gearbox rebuild. I am looking at Lucas 85w-140 gear lube.
Thoughts? Suggestions? 1984 Moss Green Metallic Coupe 
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07-15-2025, 08:26 AM
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Haven't tried Lucas, but Swepco 210 and Belray gearsaver have been working great under "extreme conditions" where 90w oil failed.
Moss green kicks a$$!
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-Tony Instagram: @Pablo_the_Porsche | @RuchlosRallye AchtungKraft #002 |
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07-15-2025, 08:40 AM
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Registered
Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,431
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The short shift now shifts the trans quicker than before. The old 3rd doesn't like it. 80/90 GL-5.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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07-15-2025, 09:10 AM
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1984 Porsche 911
Pablo
1994 Porsche 968
