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7080 Fuel Injection question.
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twinson View Drop Down
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Joined: 17 Aug 2019
Location: IL
Points: 98 		Post Options Post Options   Thanks (0) Thanks(0)   Quote twinson Quote  Post ReplyReply Direct Link To This Post Topic: 7080 Fuel Injection question.
    Posted: 1 hour 24 minutes ago at 8:48pm
When I pull the 7080's fuel injection pump off to have it rebuilt.  How do I time it when it comes back?
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 23585 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 11 minutes ago at 10:01pm
With a flat blade screwdriver, remove the small rectangular timing window on the side of the injection pump. Several ounces of fuel will escape. Turn the engine over until it is at 22 degrees BTDC. At that time TWO timing marks should be aligned. If not turn it one full turn more and there will be two timing marks. Line these up. Remove the pump. Have it repaired and reinstall it the same at 22 degrees BTDC.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 9237 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 52 seconds ago at 10:11pm
Make sure you're on compression stroke on # one and turn till the lines inside the window are inline. At this point your degrees advance on the balancer should be aligned with pointer. DON"T ROTATE ENGINE WHILE PUMP IS OFF!!!! You should be able to put rebuilt pump on with timing window lines lined up and be really close  to correct timing. Should always check it by backing crank up 45 degrees then fwd till degrees advance and timing window marks jive.
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