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Cranking oil pressure for priming new LS3

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Old 02-16-2016, 12:43 PM
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Default Cranking oil pressure for priming new LS3

I am getting ready to fire the new Texas Speed LS3 in my 69 firebird. I primed the motor as best I could through a pressurized tank I made and plumbed into the front Driver's oil galley. I ran 7 quarts through the motor twice and was able to get oil to 1 push rod on the passenger's side. I replaced the valve cover and removed the primer. With the computer and fuel pump disconnected, with a charged battery, I was able to generate 40psi at the oil filter location with a mechanical gauge. It took some cranking to get the pressure built up. Does this sound normal/ok? I'm using Joe Gibbs BR oil (what Texas Speed sent with the motor).
Old 02-16-2016, 03:10 PM
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Sounds good to me.
Old 02-18-2016, 05:21 AM
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Start it. Cranking it trying to build pressure for 30 seconds is harder on the engine that just starting it. You pumped oil thru it no reason to do anything more..

Tim



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