Quote:
Originally Posted by kTrainHurricane
Someone else reached out and said that "the oil pickup gasket is O-ring for one, and flat gasket for the other"...but then they also went on to say that "they are interchangeable."
Sorry for the stupid question, but if that 1 gasket comes in 2 different variants, doesn't that mean it would only work properly for one motor and not both?
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It depends on which oil pickup tube you have or are going to use. The s13 pickup tube uses an o-ring, the S14/15 pickup tube uses a flat gasket. If your engine has the early s13 oil pickup tube it's recommended to upgrade it to the 14/15 pickup tube that is a better design and bolts on.
Also I believe the Kouki blacktops came with the later s14/15 pickup tube already installed, hence the different part supplied in the kit.