1988 Mazda RX7 smoking when starting

1988 MAZDA RX7
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BARBERBOB
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Engine Mechanical problem
1988 Mazda RX7 4 cyl Two Wheel Drive Manual 0

I just had a new rebuilt engine installed. When first started, a good amount of white smoke blew out the back. This was after the car sat for a couple of months. The smoke lessened with each start, and now only a small puff of smoke exits when started cold. Nothing when started warm or while driving. Is this normal, and will it stop as the engine get broken in. Thank you.
Oct 11, 2010 at 3:45 PM
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RASMATAZ
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Could be if it wears in-if not replace the valve seals
Oct 11, 2010 at 5:37 PM