Thread: 428 smokes ... #1 Cylinder only
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08-07-2008 08:43 AM #11
Thanks for the reply IC2. I can't honestly say it's NOT water, because I don't know what the fault is yet. However, the smoke doesn't smell like antifreeze, it hangs in the air a long time, unlike steam, when I pressurized the cylinder, or run the engine, no bubbles appear in the water in the expansion-tank, and I did a pressure test on the cooling system, and couldn't find anything. I have a pressure tester similiar to the one on e-bay, however it doesn't always seal well around the expansion tank, so holding pressure wasn't much of a test. However, it did pressurize and no coolant entered the cylinder.
I tried sort of a home-made leak-down test. I pressurized the cylinder to 40+ psi and measured the time for the pressure to drop from 40 to zero. It did seem quicker in #1, but I really wasn't getting consistency between any of the cylinders, even though I put each one at its TDC for the test. I may try to make a real leak-down tester. Just a couple of gauges, a 0.040" , 1/4" long restrictor and some plumbing bits and pieces.
Basically, I have to take things back apart. Since I used gasket sealer around all ports this time (not just the water passage), the gaskets should be stuck pretty good. If there's an area of the gasket that's not stuck, it indicates oil got by.
I think the problem is beyond internet help as even if I made a video, you couldn't smell the smoke.....LOL. It definately smells like exhaust and burns the eyes (and it's more gray than white, sometimes yellowish). SO.....if I don't find anything after stipping down the manifold (again...sigh), I'll take that cylinder head off and check the gasket. If I still can't find anything, I'll have to jack the car up, remove the oil pan, and remove #1 con-rod cap, pull the piston, and inspect the cylinder and rings.
Just so weird.....smoking gets worse as the engine heats up.......weird.....
Thanks again for the help. Not a lot on the FE on the internet anymore.





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Yep. It’s pretty sad.
Dead!