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Old 01-24-2004, 04:19 PM
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oil pump priming

Is counterclockwise the correct direction for priming a oil pump on a sbc. I seem to have a brain freeze! Also, where is my oil pressure relief valve? I have the oil filter off and the adaptor and do not see any valve. Is at the top of or on the side? Should you be able to see it?

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Old 01-24-2004, 05:54 PM
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the direction is clock wise or forward on a drill if you turned it counter clock wise it wouldn`t build any pressure or move any oil. the pressure relief is made into the oil pump. the oil pressure bypass is made into the adapter where the oil filter spins on.
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Old 01-24-2004, 06:26 PM
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Quote:
Originally posted by DoubleVision
the direction is clock wise or forward on a drill.........
Didn't know that about SBC!

I'm used to spinning SBF V8s counter clock-wise.
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Old 01-24-2004, 08:32 PM
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DoubleVision has it right, foward on a drill. Jegs sells a neat tool for doing this, I think it was less than $20 and works real neat.

Vince
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Old 01-24-2004, 09:07 PM
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Thanks alot! We are fully primed and running! Once again, Thanks!
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Old 06-21-2007, 06:32 AM
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How long does it take to prime the engine properly?also will i get the oil flowing out the roller rockers with solid lifters?
Thanks all,this is my first decent built and ive had a few dry starts already relatiing to oil filter blow outs.
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Old 06-21-2007, 03:45 PM
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Quote:
Originally Posted by sik400
How long does it take to prime the engine properly?also will i get the oil flowing out the roller rockers with solid lifters?
Thanks all,this is my first decent built and ive had a few dry starts already relatiing to oil filter blow outs.
depends on the max speed of your drill

when i primed mine, it took about 5 minutes for oil to come out of the left side rockers and another 3 minutes for it to come out of the right side.
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Old 06-21-2007, 04:19 PM
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If you want to save a few bucks and a trip to the parts store, just tear an old distributor apart and pull the shaft out. Chuck it up in a 1/2" drill motor, stuff it down the hole and pull the trigger. There was a time in my life where such a tool wasn't for sale in the store. (don't forget to remove the gear).
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Old 06-21-2007, 05:19 PM
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I took an old dizzy and removed the gear portion off the shaft. I cut off the top advance weight junk and ground the shaft so it will fit my drill. I then insert the shaft into the dizzy body. Into the block it goes and spin it CLOCK WISE, the same as the rotor turns.

This seals the back section of the block so the oil will get up top faster. I lock the drill on and let the handle rest against the firewall. After all rockers are dripping, I shut it off.

I will prime the pump routinely if the engine sits a while. A friend was adamant about rotating the crank to make sure all parts got well oiled. THis was on top of everything getting a liberal dose of white grease when being assembled. His engines typically fired up with minimum cranking.
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