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Boring out the rail is an upgrade option but the std bore is around 8mm as I remember.
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SpamDubz wrote:
I was also thinking of a 5s block but I've been looking for one for a long time and can't find them anywhere.If one turned up I'd probably grab it.
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jimGTS wrote:Ha, I don't think I ever insinuated any sort of face off.
Anyone running a monster hybrid does have a huge advantage.I just wondered if Mike had ever been, or even had plans too this year.