Damn, I was hoping this mod would involve a lot less work, but like you say, it is not so easy.
Good luck with all the mods and I hope the upgrade is well worth the effort.
Are you going to port the head while you are at it? There is a few extra ponies in that head and while it is off, it is not much more to get it ported.
If you do this right and you get the gains I see possible on the 700R raptors, then you are looking at bumping your Xt's 52 odd HP to around 60 to 64HP mark easy.
Imagine that.... your XT would be wicked.
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Disclaimer: any mod undertaken, are carried out at owners risk
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