Subaru pistons

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23 January 2013, 07:44 AM

mjharper

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Subaru pistons

I was talking to a colleague who does track days in his Evo (currently on about 400bhp)

He says I have to be careful remapping a Subaru because of "chocolate pistons", what does he mean?

Thanks!

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23 January 2013, 07:51 AM

scoobygaz1

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The hatch impreza 2.5 engine had issues wih pistons .Do a quick search on here and you will find out more.

Last edited by scoobygaz1; 23 January 2013 at 07:52 AM.

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23 January 2013, 08:46 AM

B0DSKI

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Not just the hatch. Any UK Hawk or hatch with the 2.5 litre engine is known to suffer from problems if modded and mapped incorrectly

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23 January 2013, 08:56 AM

brendy76

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on a similar vein, what are standard uk wrx pistons good for? do they have a ball park figure where they become the weakest link or would the rods be more likely to go first running 300+ horsies.