when i bought my new oip pan they gave me a flat square plug and some screws to plug a hole in the driver side upper middle part of the pan. i was under the impression that that was for the dipstick but looking at this pic is goes in the block.im confused.
I don't know what the hole in the side of the T100 oil is for...an oil heater? Mine didn't come with the cover and gasket so I made one. I butchered the mount on the dipstick tube and mounted it to a threaded hole under the intake manifold.
![](https://board.marlincrawler.com/Themes/MCI_V3C/images/ip.gif)
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1991 Daihatsu Rocky, 3RZ-fe, Marlin super heavey duty clutch and pressure plate, Marlin W56-C-HD, duals, Marlin twinstick, three link front with Fox AirShox, 35's, Toy axles, 5.29:1, ARB F&R etc.