Mopar small block engine priming

Engine, Trans & Driveline

  1. Texas charger 73

    Texas charger 73 Well-Known Member

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    Who has run 273 rockers on there 360?

    So I primed and turned engine over and primed and I didn't get no gusher like with stock rockers. I did this for over an hr. Many rotations of the engine. I got little trails from top hole, some of the rear holes oiled(not all) some dripped underneath. I even pulled one rocker shaft off to make sure oil holes where clean and clear. Do these rockers Just not use alot of oil or what? Almost makes me want to clearance my stock rockers and throw them in with some stock length pushrods. I don't see it oiling any better and i don't want burn up a new engine. This was also with 75-85 psi oil pressure. Is this normal or is something wrong? 20210412_192054.jpg 20210413_185938.jpg 20210413_185959.jpg 20210413_190239.jpg 20210413_190252.jpg 20210413_190236.jpg
     
  2. 493 Mike

    493 Mike FBBO Gold Member FBBO Gold Member

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    I have to ask: are the shafts oriented correctly? Have they been cleaned out? You can always pull the assemblies and check oil flow through the cylinder head .
    Mike
     
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    • Texas charger 73

      Texas charger 73 Well-Known Member

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      yes orientated correctly.. notch is down on both and to rear on passenger side and front on driver side.. i have also cleaned all oil holes in shafts and rockers.. when i put factory rockers on here i get plenty of oil flow..
       
    • 69Bee

      69Bee FBBO Gold Member FBBO Gold Member

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      No, he means did you take out the freeze plugs in the end of the shafts and clean out all of the shit and goo?? Just poking around the oil holes does nothing.

      Whenever I clean engine parts from the 70's and earlier, almost every bolt hole, passage nook & cranny is filled with this grey pasty goo due to the awesome oil we had back then.
       
    • Texas charger 73

      Texas charger 73 Well-Known Member

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      no i have not done that.. i guess thats something i need to do next.
       
    • 69Bee

      69Bee FBBO Gold Member FBBO Gold Member

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      Remove the freeze plugs, clean out real good with a brush of some sort. Machine shops have these, but maybe a shotgun cleaning kit would work too (size). It will get nasty, but needs to be done. After that, the freeze plugs go back in and use some green sleeve retainer Loc-Tite PN#620 or 640 on them. Freeze plug Pioneer PN# EPS-162 (5/8" Shallow) or Dorman PN#555-011 or another equivalent. Don't drive them too far in, just to the inner edge of the chamfer.
       
    • Texas charger 73

      Texas charger 73 Well-Known Member

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      i can re use the plugs with the loc tite as long as there not damaged? if they are damaged then use the ones listed ?
       
    • 69Bee

      69Bee FBBO Gold Member FBBO Gold Member

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      No, NEVER reuse freeze plugs. Always replace them once removed. Why would you risk destroying you motor for a few dollars on 4 freezeplugs...
       
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      • Texas charger 73

        Texas charger 73 Well-Known Member

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        ok so i just ordered some new plugs, loctite and cleaning brushes.. lets hope this fixes it
         
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        • Texas charger 73

          Texas charger 73 Well-Known Member

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          it has been pulled, cleaned and fixed.. its crazy how much junk and build up was inside the shafts
           
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          • 69Bee

            69Bee FBBO Gold Member FBBO Gold Member

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            I do this all of the time, and you would be surprised how many are just plain old plugged up with grey snot...
             
          • beanhead

            beanhead Well-Known Member

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            Out of curiosity are you using shafts similar to what the factory used with those rockers (banana-grooved)?
             
          • kiwigtx

            kiwigtx Trendsetter Staff Member FBBO Gold Member

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            Out of curiosity......are you turning the engine in the correct direction ????
             
          • 493 Mike

            493 Mike FBBO Gold Member FBBO Gold Member

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            Why would direction matter?
            Mike
             
          • kiwigtx

            kiwigtx Trendsetter Staff Member FBBO Gold Member

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            I meant rotating the Oil Pump in the correct direction (brain fart) ...that would make a difference getting the oil up to the rocker shafts.
             
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            • Texas charger 73

              Texas charger 73 Well-Known Member

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              rockers where dirty and caked up, been cleaned and all is good now
               
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