High oil pressure at start up

[Copalm63780]

I have a 2007 Silverado new body with the 5.3 in it, I recently had the cam and lifters and oil pump replaced and upgraded to a BTR stage 1 cam and tuned and AFM/DoD deleted. Since I got it back from the guy that worked on it the oil pressure has been starting up at around 55 psi or better and goes back down after running for about 10 minutes. Also the engine will shake pretty violently till its warm, the rpm's fluctuate between 800 to 1100 till warm and levels out around 700 or so.

Any advice or help is greatly appreciated 

[redhot1.4]

I have a 2007 Silverado new body with the 5.3 in it, I recently had the cam and lifters and oil pump replaced and upgraded to a BTR stage 1 cam and tuned and AFM/DoD deleted. Since I got it back from the guy that worked on it the oil pressure has been starting up at around 55 psi or better and goes back down after running for about 10 minutes. Also the engine will shake pretty violently till its warm, the rpm's fluctuate between 800 to 1100 till warm and levels out around 700 or so.

Any advice or help is greatly appreciated 

I would have another tuner look at it. It's crazy. I'm looking to do the delete kit and new lifter job as well. Asap. I have a 2008 GMC Sierra btw..I found out today I have a bad lifter. I got on to find some recommendations on where to get the work done. I live in temple tx. How much did it cost you? If you dont mind me asking

 

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[Copalm63780]

The guy that did the work for me under bid the job so I paid him extra and all in all I paid him 630 for labor, the tune and delete cost me 350. I paid 800 for the cam, lifters, and all the seals and gaskets and sense the truck is an old farm truck it was never taken care of and everything was original so I've been having to replace everything else as it breaks. It snowballed into roughly 1200 in parts

[redhot1.4]

The guy that did the work for me under bid the job so I paid him extra and all in all I paid him 630 for labor, the tune and delete cost me 350. I paid 800 for the cam, lifters, and all the seals and gaskets and sense the truck is an old farm truck it was never taken care of and everything was original so I've been having to replace everything else as it breaks. It snowballed into roughly 1200 in parts

Not bad. The shop was telling me 1600 for one side. I was like yeah I'm looking for other options asap. My truck is paid for so. I want to do something to wake up the old 5.3


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