Question about 1985 Mazda RX-7
White smoke means that coolant liquid is getting combusted inside the cylinders. That usually happens when the head gasket has lost its sealing properties, and coolant is leaking inside engine.
The part is not expensive , enter the year and subnmodel info on the following website to find the part:
Mazda RX-7 Head Gasket - Head Gasket - Partstrain.com
To ensure that the problem is head gasket, you can do a compression test on the car. When problem is the head gasket, the coolant liquid will be slowly consumed while engine is running.
here a compression tester: Actron CP7828 Professional Compression Tester see Doing a Compression Test
To replace the head gasket follow procedure on haynes manual : 1979-1985 Mazda RX-7 Repair Manual by Haynes Publishing
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
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