jumped time?
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Freshman User
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jumped time?
Hey everybody. Maybe someone out there can assist me. I bring the #1 cyl. to the top and the marks on the balancer line up with the pointer, but when I crank it up with the timing light on #1, that shows my mark about straight up? It's a 351-400m. I replaced the dist. recently when one of the wires shorted out on the water neck. It cranks right up but when I have it in gear with my foot on the brake it wants to shut off? I've tried moving the dist. a tooth or two both ways but the it doesn't want to fire up easily. With #1 cyl on top, the rotor seems to pointing at the #1 wire post. Thanks for any responce. CM
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Joined: Jan 2008
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So did you advance the timing by turning the distributor and setting it by the proper specs ?
Mounting it back in the hole exactly how you took it out is good.
Now you have to set the mechanical timing,you need to set the static timing by removing the vacuum line to the dizzy & plugging the hose.
Set the RPM to spec then put the timing light on to set the marks.
You don't say where you are in the world or what truck this is and what it has on it .
....and it makes a difference.
Here is a chart to maybe help you.
You need the info off the calibration sticker on the valve cover right side.
There are 2 charts on this page.
http://mil1ion.clubfte.com/78Calibra...e-upSpecs.html
Mounting it back in the hole exactly how you took it out is good.
Now you have to set the mechanical timing,you need to set the static timing by removing the vacuum line to the dizzy & plugging the hose.
Set the RPM to spec then put the timing light on to set the marks.
You don't say where you are in the world or what truck this is and what it has on it .
....and it makes a difference.
Here is a chart to maybe help you.
You need the info off the calibration sticker on the valve cover right side.
There are 2 charts on this page.
http://mil1ion.clubfte.com/78Calibra...e-upSpecs.html
Thread Starter
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Freshman User
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jumped time?
Thanks Mil1ion. I have a '71 F100 302 4x4, '78 supercab 400 4x4, and a '79 Bronco 400 auto. My problem is with the Bronco. When the #1 cyl is on the bottom of its travel, the timing marks line up with the pointer(8:00). When its all the way up on top the marks are at 2:00. It seems the balancer was installed 180* off? Is that possible? I removed the oem diz, dropped the new one in and it fired right up, never actually checking the marks beforehand. Now that I need to tweak it alittle...THIS! sorry about the long winded thread CM St Augustine
Cargo Master
Joined: Sep 2005
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oops, misread your post, the balancer can't be installed 180 out because it has a key on the crank, but the key could be stripped or the balancer may have spun on its dampening rubber.
Last edited by User 71024; Nov 15, 2005 at 05:47 PM.
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My bad... Just double & triple checked...marked the balancer on the top of the stroke, and it's 180* from the timing marks...looked under the balancer and the rubber looks ok. Couldn't I just find which cyl is on top when the timing mark lines up with the pointer, and pretend that is #1 and rewire from there? CM
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