Building a GMC 702 V-12

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(Pay Attention 2)
(Pay Attention 2)
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Your larger gerotor oil pump may also have the hydraulic governor as part of it. If it does it is a stand-off chamber below the main pump that is fed oil thru the center of the shaft. You will see a spinner that open a valve in the hollow connecting shaft inbetween the chamber and the main pump body. The good news is that you shall remove all of this and toss it. You can not easily perform the mods to this bottom gerotor plate as it is a casting of sorts. Which I had a pic but that got tossed. So if you have this governor BS thingy then unbolt it and get a plate from another pump. You can also make one as they are only 1/4 inch flat mild steel.
 
Your larger gerotor oil pump may also have the hydraulic governor as part of it. If it does it is a stand-off chamber below the main pump that is fed oil thru the center of the shaft. You will see a spinner that open a valve in the hollow connecting shaft inbetween the chamber and the main pump body. The good news is that you shall remove all of this and toss it. You can not easily perform the mods to this bottom gerotor plate as it is a casting of sorts. Which I had a pic but that got tossed. So if you have this governor BS thingy then unbolt it and get a plate from another pump. You can also make one as they are only 1/4 inch flat mild steel.
  
Here is what the one you want looks like (Ignore the "peanut cutout" as I will get into that in a minute here)
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Here is what the one you want looks like (Ignore the "peanut cutout" as I will get into that in a minute here)Please note that the next three pics are very large. My intent is to have them used as scalable templates.
  
  

Revision as of 16:54, 15 May 2011

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