What fluid for transmission, and how much? |
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What fluid for transmission, and how much? |
PanelBilly |
Feb 28 2015, 06:05 PM
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#1
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914 Guru Group: Members Posts: 5,811 Joined: 23-July 06 From: Kent, Wa Member No.: 6,488 Region Association: Pacific Northwest |
I'm out shopping with my wife and I'd like to pick up fluid for the transmission. What am I looking for ?
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colingreene |
Apr 5 2016, 09:53 PM
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#2
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Senior Member Group: Members Posts: 729 Joined: 17-October 13 From: Southern California Member No.: 16,526 Region Association: Southern California |
Do you want to explain your reasoning on that?
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'73-914kid |
Apr 6 2016, 09:11 AM
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#3
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Senior Member Group: Members Posts: 1,473 Joined: 1-November 08 From: Vista, CA Member No.: 9,714 Region Association: Southern California |
Do you want to explain your reasoning on that? In my experience, Swepco is too slippery for the synchros to work properly. Not enough friction to slow down or speed up the next gear. Pretty much all of the big name brand gear oils you purchase at auto parts stores have friction modifiers in them that essentially do the same thing that Swepco does. All of the auto parts stores in my area sell gear oil that meets 2 of the three requirements. It's either LG5, with hypoid gears, but meant for limited slip, or some other combination of that. These gearboxes specifically need gear oil that is designed for Hypoid gears, GL5, that has no friction modifiers for limited slip differentials. 901's are oddities in the automotive world, so most parts stores don't stock gear oil that meets these requirements. (In my area at least) Will you notice a huge difference on a box with brand new synchros? Probably not. But when then box is a little older, and the synchros are worn, it makes a significant difference in the quality of the shift. This is just my experience. I was changing gear oil at every oil change in an effort to figure out which one shifted the best. Between Coastal, Liquimoly Hypoid-Getriebol, Swepco 201, some ancient Castrol stuff I found in my dad's stash of race spares, and the Kendall, the Kendall has shifted the nicest. |
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