Quote:
Originally Posted by Husein-p
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I've never used Langdon's headers. I talked to Tom in 2002 when I was building up my current 292. He sent me some longer pushrods, my build needed when the Chevy dealer didn't stock them. Long time GM design engineer -- he was part of the team that developed the 230/250/292 series.
So he knows a lot and deals fairly.
That being said: I have had a pair of Clifford Research headers on my truck since 1978. They were on the last 292 for the better part of 250,000 miles [guessing 232,000] before I rebuilt another 292. At the rebuild, I had the old headers hot tanked, and bead-blasted. Then I painted them with VHT hi-temp Gray spray paint. They went on the ''new'' engine in 2005.
I did have the manifold flanges resurfaced in the mid '80s at the same time a crushed down tube [#5 IIRC] from offroad rock damage was repaired. The welder cut out the crushed section and welded fresh pipe over the hole. The mating manifold flange was re-made in 3/8" steel.
I live in the desert, in Tucson, so nothing much rusts badly.