Troubleshooting a miss, etc

[ULYCYC]

This is easier then writing it all

[Steve Wood]

I will not be totally surprised if 3E is wiped.

[TurboCajun]

so i would be at - Steady very low-late valve timing. Steve what is 3E?.
I wanted to mention the I have blown 2 exhaust manifold gaskets in the past two weeks drivers side first one was at back of engine, second was at front, actually putting about 1/2 inch hole in both,

[Steve Wood]

lifter on cylinder 3 Exhaust

that is what you get for using exhaust gaskets

[gbsean]

seems to me there are a lot more issues going on than is known...exampl e going thru exhaust gaskets...you have exhaust leaks...which throws all kinds of whacked info to the 02 sensor...which intern effect fueling...ther e seems to many things wrong that it seems to be hard to pinpoint the exact issue and cause.

[Steve Wood]

My suggestion is to find the noisy lifter before it tosses the pushrod, you lose oil pressure immediately, and blow the engine.  I would not drive the car until that issued if resolved.  If you are lucky, it will be a bad lifter and the cam will be okay.  If you are not, the cam lobe will be scrubbed and you will need a new cam and a new set of lifters.

[TurboCajun]

I guess i need to do a compression test. anyway i will be cancelling my trip to Nashville in the GN and take the wifes 2011 regal turbo instead. My son was wanting me to drive the GN up there. I told him today that I wasnt and that I have issues with it and I need more time to figure it out. so now I am not stressing to get this thing right.

[Top Speed]

Oh, I would definitely take the 2011 Regal Turbo on the trip!

[TurboCajun]

compression results, 1-135, 3-135, 5-135, 2-135, 4-140, 6-145

[Steve Wood]

Pretty low...but, not sure that would cause what you are seeing...was the engine warm, and the throttle held wide open?

[gbsean]

if it was warm...they are low...if warm mine were in the 160's...still would not explain the miss...just a thought...i am sure all the grounds are in place...

[TurboCajun]

car was very warm and throttle blade was wide open

[Steve Wood]

I would not be surprised to find a bad cam, a tooth or two off the timing gear, and/or worn out rings....It's all a guess until you open it up and look at a few things.

Did you put a new timing chain set on it?

[Pyro6]

I didn't see where the vacuum was just low, or low and fluctuating. Key info.

[Steve Wood]

I didn't see where the vacuum was just low, or low and fluctuating. Key info.

Seemed to be consistently low, but also bobbled at times as I recall