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Discussion Starter · #1 ·
Have a '88 F-250 351W. I have R.H.O. E7 heads, ported on the exhaust side. Also 11/2in 4 tube full length headers, that I think may fit. Which is the best placement for Oxy sensor on each bank? I heard I would get much better milalage/low end performance with this set-up. Any experience with this type of set-up? thanks
 

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Discussion Starter · #4 ·
I heard that placing them in the collectors would not allow enough heat for the sensors to operate properly. Where do shorties place them?
 

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Run a 3 or 4 wire heated sensor and it's not an issue.
 

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Discussion Starter · #6 ·
Thanks...thats an option to consider...although I'm looking for something, on the cheap...if possible.
 

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Discussion Starter · #7 ·
I know cylinder#5 is the leanest on the driver side bank. What is the leanest cylinder on the passenger side?
 
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