Catalytic converter fun, 16v

[abatzis2 at hotmail.com (Michael Abatzis)]

i actually just bought the header, and will be installing next week. bug me 
about it and i'll look at the cat for you. also, this will be replacing a tt 
dp that may or may not have a clogged cat, if you're interested in that...



-Michael Abatzis
New Orleans!
1988 Scirocco 2L 16v RIP-->parting, finally taking orders: 
www.learnlink.emory.edu/~mabatzi/mikes_page1.html
1987 Scirocco 2L 16v...




>From: jester@westfailure.net
>To: scirocco-l@scirocco.org
>Subject: Catalytic converter fun, 16v
>Date: Sun, 28 Sep 2003 23:25:06 -0500 (CDT)
>
>Hey all,
>
>You may recall my mile long post about emissions & my car not passing. I
>did everything I could think of and no improvement. Took it to the local
>porsche expert shop (one of the best places to find people that know
>jetronic & can function without and OBD report.)
>
>anyway, he determined the only thing keeping me from passing was lack of a
>catalaytic convertor. Given that I had replaced or tested everything else,
>that isn't so surprising.
>
>the bad part: It drives like somebody put a potato up the tailpipe. My
>last 16v had the stock cat and didn't feel like this so I guess the cat I
>bought from http://www.discountconverter.com is undersized compared to
>stock, or the crimp bends in the downpipe choke it. Fortunately it has a
>manufacturing defect that causes an unsafe condition, so maybe I can
>return it (heat shield pointing the wrong way, bare cat facing down!!!)
>
>So, I guess  I could swap the TT race downpipe in every couple of years,
>but a) i'm lazy and b) that is a PITA.
>
>SO, i'm thinking of getting a dead TT cat downpipe and welding on a high
>flow cat, like something from Dynomax or ??? I figure If I can stuff a big
>enough cat in there it will flow more CFM than the exhust system can & no
>restriction then :) at least less than this thing. On the bright side my
>1.8 now has lowe end torque, but I don't like losing the high end at all.
>
>
>
>
>Anyway, I was wondering if someone that bought the new a1 16v header from
>TT could look at the cat and post the model numbers or manufacturer or
>whtever you can see that might help me find a generic one cheaper taht I
>can weld on myself.
>
>I'm betting that the 8hp from that header is to a large degree
>attributable to the bigger than stock cat and am hoping to capitalize on
>that in a way that won't make me spend the big jack for the header.
>
>take care,
>
>Jester
>
>P.S. Since I'm on digest a "reply to all" would be most helpful.
>
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>      Politics is the entertainment branch of industry. -- Frank Zappa
>                        http://westfailure.net
>***************************************************************************
>
>
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