Quote:
Originally Posted by Glenn Briglio
If to close to end of collector it will give you a false reading at speed..........ask me how I know.
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At the end of the transition area being too close to the end of the collector = too short collectors. Right where the collector goes round would not be too close to the end on any headers I've ever seen. In the primary tubes only shows you that one cylinder. How darn short are your collectors? 10" or so from the end of the collectors will be OK going down the track WOT. Will show bogus Lean at idle & on the return road due to clean air being sucked back in during cam overlap cycles.