[tech]: how to keep yer header from cracking?

[abatzis2@hotmail.com (Michael Abatzis)]

finally found the elusive exhaust leak on my new car. big 'ol crack just 
upstream of the o2 sensor and cat. this was my first good look at the 
exhaust: seems pretty nice, ss throughout, tt according to the po.  it looks 
to have a header with no flex joint, though the laws of physics conspired 
against me to make one. got it welded best it could without removing the 
exhaust (for another day...). the question is how to keep it from happening 
again. all i can think of is a solid/poly tranny mount (would one in front 
help as well?). appreciate the suggestions. the car seems just a touch 
faster, though still slow. i'll redo the mixture/timing this weekend to see 
if the air being sucked in/pushed out affected it...
-michael
87 new scirocco 16v-header, 1.8 head, alledgedly bored/stroked 1.8->2l 
bottom, euro cam, fuel enrichment. still slower than my old stock except 2l 
head/2l bottom roc for some reason.

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