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I have a buddy that works at a shop and he said that he uses 10w-30 motor oil in his manual trans. Has does this sound right. I mean it would be a good lubricant, but it just seems odd to use motor oil in your trans. Thanks for any help.

 
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Sorry about the multiple posts. My computer is f-ed

 
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no. use honda MTF. even if its a simular weight as honda's i wouldnt use anything else if u have a honda motor.

(except for GM synchromesh friction modified)

 
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its a touchy subject. i actually heard of some manuals (such as hanes etc) tell people to use 10w30 oil. my buddy used 10w30 in his tranny when he had a trans leak and couldnt afford to buy tons of honda MTF. it worked fine.

 
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10w30 is what Honda says to use

 
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I've heard of people using conventional motor oil in their tranny. However, imo, if it wasn't designed for it, don't use it.

Honda MTF is not expensive by no means. I currently run Amsoil MTF in my car. Runs a lot smoother than Honda MTF. I've done tranny fluid changes with both Honda MTF, and Amsoil MTF. Amsoil wins hands down. However, using Honda MTF would be fine.

 
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So either way would be fine. I'll prolly use the MTF, but I appreciate the responses.