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ea81 turbo pistons...updated 2 july with new pics.

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Got a parts motor for the ea81t today, noticed that the pistons are slightly different...(aside from the dents in one from a broken valve.....)

Anyone know anything about the difference?

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the one on the right looks like an ea82 piston, if the other one is originally ea81. the one on the right looks like ea82's that i know of

  • Author
the one on the right looks like an ea82 piston, if the other one is originally ea81. the one on the right looks like ea82's that i know of

 

Ahh, that could make sense. THe ones on the right are quite new i think, they probably supercede the ea81t ones...

 

Cheers

The non-turbo pistons (EA81) are 8.7:1, and the turbo ones are 7.7:1. The turbo pistons would have a larger dish.

  • Author

Both are turbo pistons - non turbo ones are flat.

  • Author

Got those pistons out, seems they are a non subaru part. Here are some pics of them, notice the shorter skirts on them compared with my other ones.

 

Anyone know anything about these?

 

-They look like they will give a lower comp ratio than my original ones..... ????

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Anyone?

Only marking on them is "OSS 362".

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