No the RF84 was a jewel compared the RF83. You don't see many 83s around as they were all buried to avoid offending people (irate drivers mainly). Funnily enough Everyman Racing School has a fleet of the old dogs...
Quicksilver were special American engines imported by the Swift works team in the early 90s. They weren't allowed to touch or even see the internals - a slight oil leak or an over rev, back on the plane they went!
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