IC Boost leak, maybe?
Post Fiend
Joined: Jul 2005
Posts: 14,582
Likes: 12
From: 21791
you could put 1000psi on the charge air system, and the least thing you would need to worry about would be the headgaskets. 40 psi is during engine operation, when 40psi is stuffed in and then compressed down to 17.5 times it's size, then when you inject the fuel it ignites and pushes over 2500psi of cylinder pressure. Ron, just think when you do a compression test, the cylinder pressure gets to 400ish, even without any boost. That's taking atmospheric pressure and compressing it 17 times its size.
Post Fiend
Joined: Jun 2006
Posts: 9,714
Likes: 2
From: White Mnt's,New Hampshire
you could put 1000psi on the charge air system, and the least thing you would need to worry about would be the headgaskets. 40 psi is during engine operation, when 40psi is stuffed in and then compressed down to 17.5 times it's size, then when you inject the fuel it ignites and pushes over 2500psi of cylinder pressure. Ron, just think when you do a compression test, the cylinder pressure gets to 400ish, even without any boost. That's taking atmospheric pressure and compressing it 17 times its size.
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