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#1
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603 motor
if I found a head with the #603 016 14 01 would any one know what year motor this is ?
Last edited by jef d; 11-14-2008 at 09:04 PM. |
#2
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That's a head casting number.
Sixto 87 300D |
#3
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'86 to '91?
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#4
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Original equipment on US 86 and 87 6 cyl Diesels. I don't know how long they were available as replacements.
Some say the 350SD and SDL came with -14 heads but the few I've seen or heard of came with -17 heads. AFAIK the 350SD and SDL came with inclined injectors and the -14 casting won't properly seal an inclined prechamber, not one that will also fit a -17 or later head, anyway. Put another way, I've never seen or heard of a -14 casting with inclined injectors. I'd check the prechambers to be sure. A trained eye can observe the inclination. Otherwise test with an injector. An inclined injector won't thread properly into -14 prechamber and vice versa. I think, and my memory is particularly vague on this, that -14 injectors have coarse threads that end about 1 cm above the nozzle tip whereas inclined injectors have fine threads that go right to the nozzle tip. Attached image of a 603.96 injector pilfered from FastLane. I have a spare .97 injector in the garage and the threads are different as I described. I found this out trying to do a compression test on my 93 SD and the @#$%&! adapter wouldn't thread into the .97 prechamber. Sixto 87 300D |
#5
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Now that you've edited the original post, my initial respose sounds stupid
Sixto 87 300D |
#6
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The #14 head was only in production in '86/'87, re-designed in '88.
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Gone to the dark side - Jeff |
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