Vapor lock thoughts- fuel return line flow rate? -
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post #1 of 2 Old 05-04-2021, 08:07 PM Thread Starter
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Vapor lock thoughts- fuel return line flow rate?

So my CJ7 is giving me trouble for obvious reasons (fuel return not connected, no carb spacer, rubber fuel lines on top of engine etc.) all of which I can fix relatively easily.

Wondering if anyone has ever run their 258 with the mechanical fuel pump and observed the flow from the return nipple on the top of the outlet side of the fuel filter? Curious on flow rates- I am assuming its next to nothing until higher rpm but thatís just a guess? Anyone?

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post #2 of 2 Old Today, 05:06 AM Thread Starter
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I realize this is an odd question.

Canít be much though because mine is currently running without it (filter with single inlet/outlet). My suspicion is that there is no actual flow rather its just vapor when the engine is hot more like a pressure relief. Have the right filter coming and will set it up with the return to see if I can reduce my vapor lock.
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