The logical step (IMHO) would be to replace the ZX5-SP with something what you can get spares easily when you are racing trackside. For examaple, i run a B44 and dont need to carry a abundance of spares as my track side model shop carries all the parts i need. And i have at least 3 other mates who run the same car, for which we can share spares and tips together (apart from Col).
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