IMO the C-6 is a good idea. You can pick up the time you lose elsewhere. It will be worth it for the piece of mind.
It sounds like you had the same luck with Precision Industries as I had with G.E.R. Industries.

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Good luck!
Brad R.
1992 L.X. 5.0 coupe
MODS: A few little bolt ons

New Best time ...11.60 @ 128 mph @ 2000+ ft altitude.
Rice Haters Club member #39
Users rides #2542