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Gasoline Fumes · 10-04-2021, 02:46 AM

Honda MTF is good. It's a pretty light fluid. Any ATF is probably OK too. Some people like Pennzoil Synchromesh. I haven't noticed much difference between fluids in Honda manual transmissions. I wouldn't use motor oil unless I absolutely had to. I tried straight 30w once. It made the synchros pretty slow when cold!

10-04-2021, 02:46 AM	#3 (permalink)
Gasoline Fumes Too many cars Join Date: Oct 2009 Location: New York State Posts: 1,576 CRXFi - '88 Honda CRX XFi Insight 256 - '00 Honda Insight Team Honda Gen-1 Insights Insight 5342 (no IMA) - '00 Honda Insight Team Honda Gen-1 Insights 90 day: 66.3 mpg (US) Thanks: 1,331 Thanked 787 Times in 469 Posts	Honda MTF is good. It's a pretty light fluid. Any ATF is probably OK too. Some people like Pennzoil Synchromesh. I haven't noticed much difference between fluids in Honda manual transmissions. I wouldn't use motor oil unless I absolutely had to. I tried straight 30w once. It made the synchros pretty slow when cold! __________________ 2000 Honda Insight 2000 Honda Insight 2000 Honda Insight 2006 Honda Insight (parts car) 1988 Honda CRXFi 1994 Geo Metro