Pulled the extractors out today and welded them up. Two of the pipes had come adrift at the first collector.
If you were wondering why heat wrapping mainfolds reduces their life, take a look at these photos.
Looks like some sort of annealing process going on.
These things would be glowing red hot during a race, they're not going to stand up to much more than another year of this I think.
Re-wrapped and ready to go back in.
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