Time between oil prime and first fire
#318819
05/15/09 11:12 AM
05/15/09 11:12 AM
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Joined: Jan 2003
Posts: 3,078 Edmonton, Alberta, Canada
Dartman75
OP
master
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OP
master
Joined: Jan 2003
Posts: 3,078
Edmonton, Alberta, Canada
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I will likely get to breaking in the motor this weekend, or the next. I have some problem getting the distributor in while the fuel rails are installed. I need to prime the oil system since it sat for 6 months now, but I also need to pressure and leak test the fuel system before fire up. I don't want to remove the rails once I test the fuel system because that will mean a mess of flamible fuel all over my motor which scares me a little bit. So I'm thinking I'll prime the oil system then install the distribute then try to get the fuel system plumbed up and pressure tested. But I don't know if I can do that quickly, and if I run into issues on the fuel or follow up work, the engine may sit for a day or even more before I'm ready again. I know this isn't ideal, hence why I'm asking what is too long for waiting between priming the oil system and the first fire up?
If this is a big problem, can I safely turn the motor over on the starter with plugs out, fuel off and spark off to try get a reasonably fresh prime before going for broke?
Greg
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Re: Time between oil prime and first fire
[Re: 440Jim]
#318827
05/23/09 09:06 AM
05/23/09 09:06 AM
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Joined: Nov 2004
Posts: 3,619 Norwich CT USA
Defbob
master
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master
Joined: Nov 2004
Posts: 3,619
Norwich CT USA
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Quote:
As long as you have a roller cam, it isn't as sensitive. Excessive turning of the engine with a new flat tappet setup is hard on the lobes/lifters. I prefer the oil prime within a few hours of starting a new engine, but I don't think it is a hard and fast rule.
When you do prime it, turn the engine over a few revolutions while turning the oil pump with the drill motor.
also prime it twice. once while assembling after you get the rockers on and with the covers off and make sure you are getting oil to every rocker. and prime when its in the car or dyno with the distr/wires being that last item to install.
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