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D21 fuel smoking |
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ACman75
Bronze Level Joined: 20 Aug 2015 Location: Florence AL Points: 177 |
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Posted: 15 hours 36 minutes ago at 9:50pm |
So dads d21 we’ve been working over last few years and finally got it out and running it some,But it is smoking some. Heavier under more throttle. Not oil smoke though. Smells like fuel maybe. Could it be timing off a little. We bought this tractor “with motor built already”. Had a time ever getting it to crank first time until we figure out it was 180 on timing marks. So it’s hard to use timing marks.
Also it will pop a little out of exhaust some times if you rev it up quickly. Also we had injection pump built by a local shop. Could it just be timing still a little off causing the fuel smoke? Edited by ACman75 - 15 hours 35 minutes ago at 9:51pm |
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 20266 |
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D-21 engine injection pump (if that's what it is) shall be timed at 34 degrees BTDC. What are you timed at ?? If you think a D-21 is smoke free out the exhaust pipe, they are NOT. Valve lash needs to be adjusted to .017" COLD on intake and exhaust valves.
Edited by DrAllis - 15 hours 17 minutes ago at 10:09pm |
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ACman75
Bronze Level Joined: 20 Aug 2015 Location: Florence AL Points: 177 |
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Yes sir this is more than the normal d21 smoke. It’s a series 1 also
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tbran
Orange Level Joined: 14 Sep 2009 Location: Paris Tn Points: 3290 |
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Hmmm, wonder if the pump shop used the series 2 fuel setting?
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When told "it's not the money,it's the principle", remember, it's always the money..
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 20266 |
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Timing is set at what ???? Does it start really good on a COLD first thing in the morning start-up ???
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injpumpEd
Orange Level Access Joined: 13 Sep 2009 Location: Walnut IL Points: 4875 |
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Many shops don't understand how to assemble a DC pump properly, and therefore the timing mark ends up in the wrong spot. It will be difficult to time without taking the pump apart and correcting it.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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