wvo temp control - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 01-03-2011, 01:03 PM Thread Starter
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wvo temp control

have heated wvo tank with engine coolant.

during towing my engine temps get to 200 - 205ish.

that means my wvo will heat that high also roughly.

wondering if there is a valve that can be placed in line with coolant to close if the temp is over a certain level, then open again when it's cooler? Kind of like a radiator thermostat in the truck.

anyone have idea?

thanks
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post #2 of 5 Old 01-03-2011, 07:39 PM
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Originally Posted by GONEFISHINTODAY View Post
have heated wvo tank with engine coolant.

during towing my engine temps get to 200 - 205ish.

that means my wvo will heat that high also roughly. No, probably not. This would mean that you are having a 100% heat exchange. If you are achieving that with only a heated tank, you must be traversing the surface of the sun, or know something that could make you a very wealthy man. I can get about 85% exchange with coolant heated filter, 30 plate FPHE, insulated lines, and HIH. If you have chosen the correct materials in your conversion, 200*F is not an issue.

With all of that being said, I see no need for such a device you are describing. I also ask this: Do you have a temp gauge on the coolant and VO fuel temp?

wondering if there is a valve that can be placed in line with coolant to close if the temp is over a certain level, then open again when it's cooler? Kind of like a radiator thermostat in the truck.

anyone have idea?

thanks

99 F350 7.3
320K w/ 150k+ on Biofuels

Casserly Stage 2's-TE Modded 17 HPOP
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B100 powered Excursion, F250 CCSB, and Two TDI Jettas
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post #3 of 5 Old 01-04-2011, 02:29 AM
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I don't think you will have a problem. My veg temps range from 185 to 200 when towing. Never gets any higher even on the hotest day. What are you getting for veg temps?

Please fill out your signature describing your truck & your conversion.

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. Monitoring with Torque.
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post #4 of 5 Old 01-04-2011, 08:33 AM
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you should be fine, your engine will overheat before you over heat your veg oil. think of hot hot fryers get for cooking. an what burned oil smells like. the flashpoint (vapor) of veg oil is well over 300 iirc.

-Matt

Late 99 (2/99) Black F250, CC LB 4x4 Lariat 214k. All Stock for the moment...

1995 PSD, ext cab, one wheel wonder , 297k miles, 30k on wvo. totaled 5/8/11 RIP This truck is for sale as a parts truck (Jason is about to receive forged rods, and drop kick his PMR's)
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post #5 of 5 Old 01-04-2011, 08:35 AM
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Heating the entire tank is hard to avoid but its proven to speed poly of the oil resulting in reduced filter life. Poly begines the day the cooks pour it in the fryer and use it. It is accelerated by heat, oxygen and certain metals (hope you have an aluminum tank) I am going to put a couple valves and a T on mine so in summer when its "africa hot" i can bypass my tank with the heat. There simply is no need when its 105* outside. Winter time is altogether a different story.

2003 6.0 F350 dually on high cholesterol fuel (WVO)
2000 7.3 Excursion also on a high cholesterol fuel



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