prep work for new hydraulic lifters?
11-11-2013, 07:26 PM
#12
3rd Gear Member
Thread Starter
Join Date: Sep 2008
Posts: 501
by chance, is there a way i can visually/physically check to make sure the shaft is still in place?
currently the timing cover is off, so i have access into the oil pan kinda.
and the cam is out so i can see inside a little if i stick my head down there.
thing is, when i took the distributor out, it was a real ordeal. loud bang when it popped off. i suspect the bang was from the distributor coming free, but who knows. i dont know how the oil pump shaft is attached to the pump, so i want to check if it is still in place.
if i reach into the pan and the oil pump shaft is vertical, then im good, or could it be vertical and not be in place? (i dont know if the shaft just sits there or if its held down by a clip or anything)
thanks
currently the timing cover is off, so i have access into the oil pan kinda.
and the cam is out so i can see inside a little if i stick my head down there.
thing is, when i took the distributor out, it was a real ordeal. loud bang when it popped off. i suspect the bang was from the distributor coming free, but who knows. i dont know how the oil pump shaft is attached to the pump, so i want to check if it is still in place.
if i reach into the pan and the oil pump shaft is vertical, then im good, or could it be vertical and not be in place? (i dont know if the shaft just sits there or if its held down by a clip or anything)
thanks
11-11-2013, 09:57 PM
#13
4th Gear Member
Join Date: Jun 2011
Location: Indy
Posts: 1,353
Look down the distributor hole, you should see the shaft. There is a toothed washer on the shaft that prevents it from coming out with the distributor. It also helps in the fact that you can't take the shaft out without taking the pump off. So, your shaft should still be vertical
11-15-2013, 08:49 AM
#14
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Thread Starter
Join Date: Sep 2008
Posts: 501
Look down the distributor hole, you should see the shaft. There is a toothed washer on the shaft that prevents it from coming out with the distributor. It also helps in the fact that you can't take the shaft out without taking the pump off. So, your shaft should still be vertical
I can see the shaft looking down
since my timing cover is off, I also stuck my hand in
there. shaft seems to be in place. I can move it up and down about 1/4 inch, but I assume that's normal?
11-15-2013, 10:03 AM
#15
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Join Date: Jun 2011
Location: Indy
Posts: 1,353
Yep thats perfect. Its like that to compensate for manufacturing flaws in the shaft/dizzy/oil pump housing
11-15-2013, 12:41 PM
#17
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Join Date: Jun 2011
Location: Indy
Posts: 1,353
Look at your lifters and the lifter bores. There are passages drilled for the oil. When the lifter fills with oil and you are still spinning the oil pump, the only way the oil can go is up through the pushrod, this why the pushrod is hollow.
11-15-2013, 02:31 PM
#18
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Join Date: Sep 2008
Posts: 501
i figured as much, but there doesnt appear to be any openings for the oil to get inside the lifters, so im perplexed
11-16-2013, 12:25 AM
#20
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Join Date: Nov 2006
Location: CA
Posts: 1,670
There should be one or two holes on the side of the lifter and another one in the cup at the top of the lifter where the push rod rides. Inside the lifter bore there is an channel that lines up with the whole on the sides of the lifter. The oil goes through the motor and into that channel, into the whole in the side of the lifter, filling the lifter, and then up through the whole in the cup and up through the pushrod. Hope that helps...