Fuel filter question

[Rawze]

(10-02-2022 )smorgan87 Wrote:  Ive always ran 10 micron davco filters. I was planning on installing a fuel cooler (liquid/air) on the return line to help with the asphaltine and 150° fuel temps in summer but sold it before i did that.

I seriously doubt that a cooler on the return line will reduce ashpaltine.. it is created via bio-diesel usually, due to the extreme pressures in the injector (the timing circuit chamber) during the compression stroke.