In an attempt to clean the tranny, engine, etc. I wasted an hour Saturday by spraying the engine down with Gunk engine cleaner, I didn't expect the aluminum oxidation to come off but I did think the dirt would loosen up better than it did. I even hit it with a pressure washer with little improvement. Of course the parts aren't greasy but there is grime residue I would like gone, I'm after a clean look like from a new engine. Next I'll try a new product (Lloyd's Aluminum Magic) recommended to me buy a fellow VTEC Mini driver who is on the same forum that I am (
www.vtecmnis.com).
By the way, my handle on that forum is "Mini Type R". I maintain a build log on that site and have received lots of questions and answers by the group. The string is: "67 Inno Build" located in the "Build and Work Logs" section.
One nice surprise came when I pulled off the oil pan and found an aftermarket baffle welded in. And a peek in the engine from the bottom reviled four little oil jets that shoot and cool under each piston, see photo below. Note: the crack in the casting is only on the surface (I hope).
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| The bolt is attaching an oil jet that cools the underside of the piston. |
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| Here you can see the welded in extra oil baffle. |
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| Baffle. |
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Fell free to post any questions and I'll do my best to help you out with your project.