I fought a smoking problem this past season (as those racing with me will attest to..)and tracked it down to two things:
1 - Rebuilt motor with new rings and pistons

2 - Blocked off PVC return to the intake manifold.

You can also check your plugs to see which cylinders are getting the oil burn.

The two above items solved my smoking (to the excitement of both racers and corner workers)

Anthony
NER ITA 86
Honda CRX Si
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