Originally Posted by
foama
From the surface of the bolt where the gasket ring touches, to the inmost end, I measure 12mm. Otherwise said, it protrudes inwards 12mm minus the gasket thickness. The gasket ring might be 1mm or so thick.
Here in Europe there is absolutely no lack of sources for 100% synthetic 75W-80/GL4 or 100% synthetic 75W-80/GL4+
Mitsubishi part Nr. of the OEM product is MZ 312644, it being very similar to PSA B712330.
You might want to search those numbers in eepay or similar. Manufacturers like TOTAL, ROWE, Mannol, or Ravenol, and many others make it.
That sort of oil is also specified for numerous Hyundai and Citroen/Peugoet.
Just do NOT use GL5 because that will corrode the brass synchro rings inside the gearbox, and then changing gears will become increasingly difficult.
Made in USA are two Redline products you may also want to look at.
Thank you. I found some Suzuki GL4. 75w-80 at a reasonable price. Everything I can find for that oil says it is compatible with the Mirage transmission..
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