 V8 Pre-oiling |
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| rascobo |
 Jul 15 2009, 02:17 PM
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#1
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Member  Group: Members Posts: 203 Joined: 26-July 07 From: Portland,OR. Member No.: 7,948 Region Association: Pacific Northwest  |
I've been working on My car for over a year now. It's just about done, but the engines(GM V-6) been sitting all that time and I'm guessing it should be pre-oiled before starting it again, but I don't have a distributor shaft to do so. Is there another way? How much damage am I likely to do if I don't pre-oil it(it's still filled w/Mobile 1)? (IMG:style_emoticons/default/huh.gif)
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| TC 914-8 |
Jul 16 2009, 12:49 AM
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#2
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Senior Member Group: Members Posts: 812 Joined: 23-May 08 From: Sequim, WA Member No.: 9,090 Region Association: Pacific Northwest 
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I just started my freshly rebuilt SBC and was very worried about pre oiling even after sitting for a week from the machine shop. I ran a drill motor on a special oil pump priming tool I bought at the local AP store. One thing I found on the early SBC is I had 30 psi oil on a guage, I attached where my sending unit goes, was I only had oil to the left side of the engine, coming out of the rockers. After investigating I could follow the oil galley and see with the distributor out ,oil flows onto the Dist. shaft hole and goes no where. Unless the distributor is in place oil canot make it thru the passage to the port that flows oil to the right side top end.
I then installed the distributor, transaxle, and starter. as mentioned earlier, with the plugs removed, I cranked it over to get oil to the right side upper end, along with left side, and building 40 psi, OP. So with that said ,I would do the drill motor primer method, to get the oil flowing, pull the plugs, give each cyclinder a quick squirt to lube the cyclinders after sitting for 4 years. Then with the distributor installed, crank the engine over to pump oil to both heads. Make sure it flows out of the rockers, and have a gaufe on it to measure 20-40 psi. If this engine is a new rebuild I would STAY AWAY from Mobil 1. get some 30wt HD oil and break it in for a few hundred miles, change th oil and filter and refill with new 20-50w dinosaur oil. With the unknown failure of my last engine, I was told the new synthetic oils do not have the zinc, and other metals needed to bond and lube older engines. I'm sure there is a library of threads on oil to use / not use. Hope this helps, T |
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Posts in this topic
rascobo V8 Pre-oiling Jul 15 2009, 02:17 PM
puff adder I would think that removing the plugs, and crankin... Jul 15 2009, 02:44 PM zymurgist I used a pre-oiler that my engine builder sold me ... Jul 15 2009, 03:39 PM
rascobo
I used a pre-oiler that my engine builder sold me... Jul 15 2009, 06:33 PM zymurgist
That's the one I'm talkin' about, use... Jul 16 2009, 06:33 AM SLITS Pre-oiler = distributor shaft Jul 15 2009, 05:29 PM rascobo Thanks TC, No it's not a recent rebuild, I di... Jul 16 2009, 01:09 PM |
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