Trying to get an older Universal diesel running...experience appreciated! - Page 3 - SailNet Community
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post #21 of Old 09-11-2008
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Interesting engines Iv never seen one before...Looks to be hot exhaust.
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post #22 of Old 09-13-2008
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My olde diesel tank does not have a fuel return line. The motor is a 1977 Volvo MD17C.
Clean fuel and oil and that old motor will probably start and run fine. It probably just needs some exercise.
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post #23 of Old 09-13-2008
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Rockter-
AFAIK, If the return line doesn't go into your tank, it still has to go someplace. It can be plumbed back into the feed line (bad idea, the fuel can't cool down and warm fuel doesn't burn with as much power) or it can be plumbed into the fill line, but it has to go SOMEwhere. Or else the high pressure pump and injectors are getting a needless workout against the excess pressure.
Sending it back into the tank allows it to mix with the cooler fuel in the tank and cool back down.
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