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After letting it warm up slowly at idle & most of the oil had burned off, I raised it to ~2KRPM for a few minutes, which got the manifolds glowing a dull red, baking the grease around the ports into varnish seals. I did this before reinstalling the wheelwell so I could watch for fire or leaks. It's fixed, but too dark & cold to finish installing the wheelwell tonight. The spark plug wire heat shield (F2UZ12A406A/F4TZ12A406BA) is missing. Before ripping out any emissions systems, read this article. I didn't fix it on this truck, but the evaporator insulation hanging down in this pic can be replaced with a more-robust modern material, like this:  |
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![14smokecheck.jpg After letting it warm up slowly at idle & most of the oil had burned off, I raised it to ~2KRPM for a few minutes, which got the manifolds glowing a dull red, baking the grease around the ports into varnish seals.
I did this before reinstalling the wheelwell so I could watch for fire or leaks. It's fixed, but too dark & cold to finish installing the wheelwell tonight. The spark plug wire heat shield (F2UZ12A406A/F4TZ12A406BA) is missing.
Before ripping out any emissions systems, read [url=http://www.fourdoorbronco.com/board/showthread.php?5427-Emissions-Systems]this article[/url].
I didn't fix it on this truck, but the evaporator insulation hanging down in this pic can be replaced with a more-robust modern material, like this:
[url=http://www.supermotors.net/registry/media/964781][img]http://www.supermotors.net/getfile/964781/thumbnail/evapins.jpg[/img][/url]](https://www.supermotors.net/getfile/770513/fullsize/14smokecheck.jpg)