Biatchy,

The cost is about the same, just more frequint. I ran an NSR for an entire season before doing a top end. By the end of the season it was tired and ready, but it did make it all season. That is eight race weekends, and about 8 track weekends/days. Think a total of about 30 days on the track.

I would probably do a rebuild after maybe 15 days, so the power would still be nice by the end of the season. If I were to do it over again.

Thanks
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Charles Gallant