Compression Ignition Addict
Join Date: Aug 2009
Location: Nova Scotia
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You have no done any damage to your engine. Not yet anyway. I would not be ok with running 130 degree VO temp. You should have at least 160 degree temp IMHO but a good working system should be able to reach 180 at any outisde temp. Of course the colder it is outside the longer it will take to get there.
If you leave it as is you run a high risk of coking your injectors, cylinder walls, piston heads, rings, valves, push rods etc. This won't happen over night but most likely will eventually happen.
Do you have the FPHE plumbed correctly? They are directional. It should show somewhere on the FPHE which are the inlets & outlets for the coolant & VO. If you don't have it plumbed correctly then it will not heat the VO as well.
This probably is not your problem but do you have a heated pickup in your tank?
What VO pump are you using? Fass? Raw Power?
If your concerned about your electric heated filter then wire it up so it doesn't come on until you switch over. You still have coolant flowing through the heat right? Not a big fan of heating the filter with electric anyway. I prefer a heater hose wrap.
You did tap into the hoses going to the heater core right? And the feed line that goes to the heater core is the one you tapped into to feed your system? Did you install shut off valves on the heater hose & VO coolant lines? This aloows you to restrict the flow to the heater core & send more coolant to you VO system.
I would also suggest that you do a TIH on the fuel line going from the filter to the FPHE. An auillary coolant pump would be a good addition as well.
Wrapping all your VO lines with insulation would help but is most likely not your problem. Also a winter grill cover is a good idea.
Hope this helps.
2001 f-350 ext.cab. 7.3 auto non dually. 262k miles. New HD tranny at 67,000 miles. Boost, EGT, Tranny temp gauges. 04/10 DIY check valve VO conversion. 20 plate FPHE,Fass HPFP set at 70 PSI,TIH, 10 micron spin on filter with coolant wrap, 150 micron prefilter, hrydraforce purge valve, 40 gallon greasecar tank with hotfox, SS braided hose to heads, Oil temp, pressure & fuel level gauges. 110K miles on grease.
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