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Home > Help Needed / General Tech Chat > Crankcase pressure? smokey breathers

mayoturbo

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chepstow

21st Oct, 2009 at 08:38:44pm

Car is smoking out of the left hand breather and blue smoke through the exhaust, exhaust is very black aswell.

Its only done about 2k miles on a NOS short engine, could it be because its running too rich? or have I fucked the pistons/rings. I should have had it set up on a rolling road *surprised* it did suffer from fuelstarvation which I have finally cured.

Would I see much gains with a rebore to 1293 with forged pistons or shall I just re-ring it as the pistons have barely been used

Thanks


wil_h

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Betwix Harrogate and York

21st Oct, 2009 at 09:44:39pm

Dosen't sound good, but as it's low milage, a hone and a re-ring might be all that's needed. This is assuming that the pistons aren't damaged.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


John

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Mongo

Barnsley, South Flatcapshire

22nd Oct, 2009 at 08:17:34am

You would prob need to get rings from totalseal too. Borewash could be the culprit here.

If something is worth doing, it's worth doing half of.
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