B16, B18, B20
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By That One Dude
#161470 You mean a VTEC head that has been tapped and plugged for an LS/VTEC setup with the plug removed? I doubt it would be a problem. All you're doing is reopening the hole you plugged for LS/VTEC.
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By Greasedmonkey
#161754 you would need to unplug the plugged hole and replug the drilled hole.
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By biggnutz123
#161874 ^^ x2 work backwords! lol :thumb: