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Ack- almost forgot- how to prime lifters?

Old Feb 26, 2001 | 03:24 PM
  #1  
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Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Ack- almost forgot- how to prime lifters?

I know the normal prime ways... with an oil can on the side hole, or putting the lifter in a can of oil and pushing the pushrod in/out.. but all the lifters are stuck in their bores. Obviously the feet are mushroomed, and you guys know the budget...

Is there anyway to help these lifters out a bit? Should I pour oil on top of 'em? Or, when I start spinning the oil pump, should we push the pushrods in/out of the lifters?

Or will anything we do "not matter"? Like my other message says, we'll be doing the intake manifold today, and won't be able to get at the lifters anymore.


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-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
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Old Feb 26, 2001 | 03:27 PM
  #2  
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I wouldn't bother. Right now they're in the same state they would be if you left the oil filter off for a couple of hours during an oil change. Just fill the filter with oil before you put it on.

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"So many Mustangs, so little time..."
ICON Motorsports
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Old Feb 26, 2001 | 03:40 PM
  #3  
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Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Thanks for the quick reply! (Just in the nick of time, too!)


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Old Feb 26, 2001 | 03:55 PM
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From: Kempner,TX,
Car: 1996 Vette / 1992 GSX1100F Suzuki
Engine: 1996 Corvette Coupe 388 LT1 (+.060)
Transmission: Auto
Axle/Gears: 3.07
<font face="Verdana, Arial" size="2">Originally posted by TomP:
I know the normal prime ways... with an oil can on the side hole, or putting the lifter in a can of oil and pushing the pushrod in/out.. but all the lifters are stuck in their bores. Obviously the feet are mushroomed, and you guys know the budget...

Is there anyway to help these lifters out a bit? Should I pour oil on top of 'em? Or, when I start spinning the oil pump, should we push the pushrods in/out of the lifters?

Or will anything we do "not matter"? Like my other message says, we'll be doing the intake manifold today, and won't be able to get at the lifters anymore.


</font>
Read in Crane's catalog not to prime the lifters with oil before you set the preload. The advice they give says that it can cause incorrect lifter preload adjustment.

If you really want to, all you need do is install an oil priming tool in the distributor housing and spin it with an electric or air powered drill. Turn the engine by hand every couple of minutes and when the lifters are completely down in their bore, oil will be forced into the oil hole of the lifter.

When building a new engine, I always do this until I see a steady flow of oil exiting each rocker. It takes several minutes, but it insures all the air is expelled from the galleries and that the pushrods are filled with oil.

Hope this helps.

Jake



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1986 Corvette Coupe, 415 CID, Edelbrock 6073s, ZZ9
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Old Feb 27, 2001 | 09:56 AM
  #5  
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Jake, thanks for the info! We'll definately be spinning the oil pump before we install the engine; in addition, now we'll just turn the crank as you said. The intake's on and the lifters are now covered, so nothing else can be done to 'em directly.



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---Think your car could be pic of the week? Visit http://www.f-body.net for details!
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