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Old 10-04-2019, 12:50 PM   #113
Scooby Specialist
Member#: 59182
Join Date: Apr 2004
Location: N. Idaho
2002 WRX GG>>
2016 Focus RS


Usually the HG will be leaking externally as a 'sign' on these. If not leaking (and who knows if the Seller just powerwashed them!) if you wanted to risk then, Yes, just install 'em.
But I'd also do the HG on ANY used Subaru engine I was going to touch.

I don't know enough about the 'reverse' franken engine: 2.2 block w/2.5 heads
But I think you'll be down on power due to lower compression.

Remember to search all the Subaru forums as these engines were used in the '99 Legacy L (NON-Outback, SUS and GT) and the Impreza. The site has lots of info, too.

And those 2.5 are the same between the Subaru models of similar years....THAT has been covered ..... a LOT. :-)

The Phase 2 2.2 are nearly the same as the 2.5, AFAIK, so I'd be suspect of their HG's too....just didn't sell as many.
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