10v header: Downpipe + xmas

[JShadzi at aol.com]

Jukka,

Very cool pictures, where where they a few months ago when I was designing my header??  =)  You can never have enough examples when building such a piece, its good to see how other arrive a solutions to the same problem.

I though about exhaust pulse and timing regarding the turbo.  I figured all the pulses arrive in the collector at the same time relative to each other, and since my collector is symetrical, it wouldn't make much difference.  I attempted to keep the collector volume small and in proportion to the runners as not to dilute the velocity of the pulses as they arrived in the collector.  After some inital testing, the header seems to be working well, I will send more updates to the q-list after christmas.

You guys really like the Holsets over there, kinda like Amuricans and their Garretts  =)

Keep me posted on your turbo experimenting adventures.

Merry Christmas

Javad
80tq.com

In a message dated Sun, 23 Dec 2001  3:28:34 PM Eastern Standard Time, "Jukka Majanen" <jiipm at sci.fi> writes:

> Hi
>
> I´ve been mostly off-lined last few months, so it was
> nice to have time and check what kind of nice things
> have happened in the Q-list.
>
> I remember the conversation about Javad´s header and
> K26 compressor capability. What do I see now; a T04
> charger and a nice header -good job Javad. That´s what
> I call an update :)
>
> I would like to post You some pics of a 10vTQC that
> has an E/M made in Porvoo/Finland ( That car is one of
> the fastest street cars at our [ local ] list, +450 Hp ) just
> for comparison:
>
> http://groups.yahoo.com/group/audifinns/files/boosts/01-10.jpg
>
> http://groups.yahoo.com/group/audifinns/files/boosts/01-02.jpg
>
> Main difference seems to be the end of the E/M. The idea at
> ours is to give impulses ( in order of the ignition ) to that heavy
> Holset 60 charger for faster spool up. ( Holset intake is good
> for that )
>
> I myself sold my 10vTQ ( at only 250 HP ) and started a new
> project: 200 20vTQ with V8 hood and fenders...There will not
> be that massive W60 turbo, but I ordered Holset W40. ( Yes
> we have here found Holset as a good update :) Also I`m now
> talking about the exhaust header with that same manufacturer:
>
> http://groups.yahoo.com/group/audifinns/files/boosts/02-06.jpg
>
> As You see it will be just ordinary tube steel, not stainless 316,
> or even better, because of costs. That guy has made those >6 yrs
> and no header ( or turbine ) has broken. ( of course there will be
> a separated oe. WG )
>
> Also as a moderator of the local Audi-list I would like to
> wish You all in the mother list Merry Christmas from this
> ( now ) freezing cold and snowy Finland = q-weather :)
>
> Yours
> j-pm
>
>
> > Yours truly...
> > Javad
>
>
> > > So who made the exhaust manifold?
> > >
> > > > -----Original Message-----
> > >  >Subject: 10v header: Downpipe
> > >
> > >
> > > > Just finished the downpipe for the header and new turbo,
> > > > check out pics here:
> > > >
> > > > http://www.mswanson.com/phpix/?mode=album&album=javad%2Fdownpipe