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I could not find a replacement r35 cooler and have been concerned about putting the old one back in after the disintegration of my engine.

I ordered the PWR replacement but it is less than half the volume so i wont be using it.

I have pulled out the old one and pulled it apart.

This is what i have done and i want to know if its too much of a risk to reuse it.

I have flushed it with fuel

I have flushed it with turps

I have flushed it with degreaser

I have attached one end to a garden hose and left it running for 10 minutes.

I have reversed the sides and again left it running for 10 mins

I have thrown it into the pool and left it there overnight

I have attached one end to a garden hose and left it running for 10 minutes.

I have reversed the sides and again left it running for 10 mins

I also understand that the direction of flow is from the cooler to the oil filter which should trap any micro particles that get in.

Anyone prepared to give further advice

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I can't help with finding a gtr oil cooler (perhaps try Steve at Just Jap), but I never re-use an oil cooler from a motor that had a bearing problem. Too many little spaces in oil coolers, and it's a very expensive gamble.

I'd never buy or use a second hand cooler for the same reason.

yeah like duncan said. I personally would replace it. you've done everything humanly possible and as flow goes cooler to filter you should be fine (most systems go filter then cooler though so double check that?) but it's a big risk. there must be a better option for replacement.

we are probably all being a bit over cautious especially given the nature of your failure but I can't help but think if it were my car, i'd keep hunting out that replacement....

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