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FattyBoomBatty · 04-23-2009

It peaked at 17.5psi right at redline, but it was pretty steady from when it spooled to redline. There was pretty much no knock on the dyno, and the only problems were that the injector clips (plugs) were popping off.

It's funny now, but on the dyno, when that happened it sounded like a really bad misfire, then when it came to idle it sounded exactly like a WRX. I heard that sound before when I blew my engine, and the plugs that most easily came off on the dyno were the same cylinders I had major damage to. So I think I found the main culprit of engine destruction.

I wonder if it'd do 20psi on 92 octane. I guess I don't see why not since it didn't show signs of problems other than the clips. But as you can see in the graph, the head really doesn't like to flow much past 5500rpm or so. Maybe I'll pull a Ben Stiller from Happy Gilmore and tell it, "you will flow more, or I will make you flow more."

04-23-2009	#19
FattyBoomBatty Banned Join Date: Dec 2003 Location: Boulder, CO Drives: Conquest Posts: 5,049	Re: Turning my quest into a dsm. It peaked at 17.5psi right at redline, but it was pretty steady from when it spooled to redline. There was pretty much no knock on the dyno, and the only problems were that the injector clips (plugs) were popping off. It's funny now, but on the dyno, when that happened it sounded like a really bad misfire, then when it came to idle it sounded exactly like a WRX. I heard that sound before when I blew my engine, and the plugs that most easily came off on the dyno were the same cylinders I had major damage to. So I think I found the main culprit of engine destruction. I wonder if it'd do 20psi on 92 octane. I guess I don't see why not since it didn't show signs of problems other than the clips. But as you can see in the graph, the head really doesn't like to flow much past 5500rpm or so. Maybe I'll pull a Ben Stiller from Happy Gilmore and tell it, "you will flow more, or I will make you flow more."