Tossing around the idea of putting a cooler on the fuel return line. These engines really cook the fuel due to the higher pressures, and there has been increasing incidences of a problem called asphalting happening to fuel. And it has been tossed around for quite a while that cooling the fuel will also help with power and possibly mpg. Thinking of doing a fuel cooler on my new ride and would be interested in comments from those that have done it also.
Anyone Install a Fuel Cooler?
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Cowpie1, Aug 3, 2012.
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Haven't done it but do think it is a good idea. Makes perfect sense, cooler denser fuel has more BTU's than hot fuel that's expanded. Personally though I believe installing a cooler on the fuel line between the secondary fuel filter and where it goes into the head would net the best results - sending that cooled fuel directly to the injectors. Get a transmission cooler, route the fuel through it, and bam...
Oxbow Thanks this. -
I haven't done it, but I've tossed the idea around.
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Well, what they are saying makes sense too. Maybe 2 fuel coolers would be optimum, to the head and on the return, but might be unnecessary overkill.. ..really don't know. Have heard second hand info about running coolers though and it allegedly does improve mpg's, never any details on the cooler location though. It is fact that cool fuel is more dense and puts out more BTU's than warm fuel, just what would be the best cooler setup, a person would just have to try and see what works. Don't think it's a bad idea to try and certainly a trans cooler and some fuel line isn't going to break a bank.
Oxbow Thanks this. -
Sent a note off to Bruce Malinson at Pitts Power about this. He said it was a good idea, they are working on something right now for a fuel return cooler, but if one is wanting to do this use the best automatic transmission cooler you can find.
I am going to do a little project planning.Oxbow Thanks this. -
if cooler fuel is better, then why do we get better m.p.g in the summer than winter?
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There are lot of factors in that one. You know that. Cold air is denser to cut thru, oils in gearing, hubs, etc don't flow as well, also it is common knowledge that diesel usually is winter blended with #1 and has a lower BTU content and therefore less energy per gallon.
I would have expected more from you heavyhaulerss. You are just funning with me aren't you? -
Cold air gives you more power, no idea about cold fuel or why in the winter you get less mileage...
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