Dizzy will not seat
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Junior User
Joined: Mar 2008
Posts: 53
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From: Bartow, Fl
Dizzy will not seat
Help!
I cant not get this dis. to seat and now I have it stuck.
I tried to turn the oil pump shaft to help line them up and it still will not go in all the way. Any one got a trick for this. the oil pump shaft lays over to one side no matter what I do so I took a larger dill bit and champered the dis to help it slide in to place ( boy thats so not the case) This by far is the hardest part of this rebuild byfar! oh by the way this is an 89' 302 converted to carb. almost ready to pay to have this done.....and I hate to pay for anything!
I cant not get this dis. to seat and now I have it stuck.
I tried to turn the oil pump shaft to help line them up and it still will not go in all the way. Any one got a trick for this. the oil pump shaft lays over to one side no matter what I do so I took a larger dill bit and champered the dis to help it slide in to place ( boy thats so not the case) This by far is the hardest part of this rebuild byfar! oh by the way this is an 89' 302 converted to carb. almost ready to pay to have this done.....and I hate to pay for anything!
Lead Driver
Joined: Dec 2002
Posts: 5,491
Likes: 16
From: Kuna ID
It should go in fairly easy, but I have replaced the dizzy on the 302 in my Capri twice, and it was a bear to get in both times. It would go in all but the last .25". It was enough to know the shaft was lined up and the teeth were meshing properly, but it just wouldn't go down. I ended up tapping it in with a rubber mallet both times. It still moves easily for adjustment, so I'm not sure what was going on.
Laughing Gas
Joined: Aug 2006
Posts: 1,249
Likes: 10
From: oklahoma
LOL ok dont hit it just get it close to where you want it i always set it around 20 to 25 degrees btdc line up #1 on your cap and if it wont go all the way down say maybe 1/4 to 1/8 just roll the motor over till it lines up on the oil pump shaft i just crank the motor over with the starter
Moderator
Joined: Jan 2001
Posts: 56,980
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From: Virginia
If the oil pump shaft is falling over like he described, then the shaft has come out of the oil pump, and he's never going to get it in without pulling the shaft up and re-seating it inside the oil pump.
This is a common problem with gummed up and stuck oil pump driveshafts. They have a little retainer that's supposed to keep it from coming out of the pump when you pull the dist, but it doesn't do a very good job.
If you can't pull the shaft all the way out of the engine, then the retainer is still on the shaft, it has just slid up some. I would find a socket and long extension that fits the shaft, tape the extension and socket together so they won't fall apart, and put grease inside the socket, and try to grab and pull up on the shaft and fit it back down into the pump. Long needle nose pliers and or a magnet may work too.
This is a common problem with gummed up and stuck oil pump driveshafts. They have a little retainer that's supposed to keep it from coming out of the pump when you pull the dist, but it doesn't do a very good job.
If you can't pull the shaft all the way out of the engine, then the retainer is still on the shaft, it has just slid up some. I would find a socket and long extension that fits the shaft, tape the extension and socket together so they won't fall apart, and put grease inside the socket, and try to grab and pull up on the shaft and fit it back down into the pump. Long needle nose pliers and or a magnet may work too.
Thread Starter
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Junior User
Joined: Mar 2008
Posts: 53
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From: Bartow, Fl
I got it to seat after about 6 hours of slightly turning the shaft ( using a screwdriver that will hold bits, it had a magnet in it so ever once and awhile it would pull the shaft out) I set it on TDC and pointed it just before #1 and it fell into place. but it will not fire. I set the wires for 15426378 but it will not even begin to run. Do I have the right timing? or is it the 351 13726548?
It is a 302 but it has roller lifters.
It is a 302 but it has roller lifters.
Laughing Gas
Joined: Apr 2001
Posts: 868
Likes: 3
From: New Glasgow, Nova Scotia
A good trick for the shaft problem if you ever run into that kind of trouble again is to put some heavy greese around the oil pump shaft to hold it centered do it won't fall to one side. I had the same trouble years ago and this worked like a charm. As for not firing , go back and check all the connections,(I'm sure you did but) power to the coil, duraspark box plugs, dizzy plug and anything else you may have disturbed doing the job.
Good luck
Good luck
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Posting Guru
Joined: Mar 2007
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That is the correct firing order. Did you make sure you were on a compression stroke when you located TDC. The crankshaft will point to TDC twice and if you are on the exhaust cycle ,it will be 180 degrees out and probably won't even fire and definately won't start.
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Moderator
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From: Virginia
Yes, the sprocket on the camshaft is twice as big as the sprocket on the crankshaft. So the crankshaft will turn twice for every one revolution of the cam. The cam that opens and closes the valves is what determines TDC when it closes both valves on #1 cylinder.
There are two common ways to figure out true TDC. One is take the valve cover off over #1 cylinder, and watch the valves as you turn the engine. When both valves are closed and the TDC mark comes around, then that's TDC.
Another method is to take #1 sparkplug out and hold your finger over the hole, while someone turns the engine. When you feel pressure on your finger from air coming out of the hole, then start looking for the TDC mark on the damper.
There are two common ways to figure out true TDC. One is take the valve cover off over #1 cylinder, and watch the valves as you turn the engine. When both valves are closed and the TDC mark comes around, then that's TDC.
Another method is to take #1 sparkplug out and hold your finger over the hole, while someone turns the engine. When you feel pressure on your finger from air coming out of the hole, then start looking for the TDC mark on the damper.
Posting Guru
Joined: Mar 2007
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I have reinstalled the #1 spark plug about 1/2 turn before and when you turn it over it will hiss when you are on the compression stroke. Sometimes another person isn't handy.
Moderator
Joined: Jan 2001
Posts: 56,980
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From: Virginia
Good idea. Doesn't somebody make a whistle that screws into the sparkplug hole too?
