You guys that ran these, how often is a top end refresh and bottom end/full rebuild recommended?
Any experience/data?
What happens outside of these recommendations?
Pipe or Can Exhaust? Greg Wright would probably be the best resource on here. I could tell you what we used to do, but I would trust his input more.
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Depends on your goals. At the club level you can usually get by with 8 hours on the top end and bottom end evey other time so 16 on the bottom.
Like everything else the higher level you race the fresher you will need to keep your engine.
I do recommend frequent carb rebuilds.
Thanks for the mention Derek.
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Pipe. Competitive. 5 & 10 is what I’ve heard around these parts.