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  1. C

    Use of X-1R Additive (Engine oil & Gear lube)

    I've read that using X-1R in the right proportions with engine oil and gear lube will provide for a much smoother gearbox, neutral is easier to find and the engine will probably run better. I understand this is NASA stuff. Website: www.x1r.com. I bought the X-1R engine treatment (yellow...
  2. silverhammer

    X1-r

    Dale Walker at Holeshot Performance recommends using Kendall oil in conjunction with the X1-R additive. X1-R is difficult to find locally, but Z-Max is not. Does anyone think Z-Max would be a viable alternative to X1-R, or are either really necessary?
  3. M

    X1-R additive, anyone use it?

    anyone use the x1-r additive or know anything about it? http://holeshot.com/old/chemicals/x1r.html Also, what topic should this be posted under??
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