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RE: 16V Turbo Exhaust Manifold
As I have spent an enormous amount of time hammering out a turbo system with
Bardley, I feel well versed enough to put my .02 in here.
Brad and I will both be using an engine management system from a company
called Perfect Power. It the MIC#3 system the can be found on their web
page at www.perfectpower.com. This syetem works with either a crank trigger
or the stock 16v hall sender. There are sensors for engine temp and water
temp and it will run up to 8 injectors. It can be set to funtion as a rev
limiter cutting fuel back at specific rpm....or a boost limiter.
Fabrication of a fuel rail for the 16v is currently on my workbench as is a
Porsche 944T Fuel Pressure Regulator which is good up to about 3.5bar.
I have taken a more broke dick approach than my WA brother however. I got a
used T3 turbo with a 60 trim compressor and .42 AR turbine off e-bay for $75
and managed to get a 60AR turbine housing from a friend just to compare the
two. Brad shelled out big bucks and bought a nice shiney new SUPER 60 trim
T3. We are both using the AMS turbo manifold.
I am using a golf ABA block so I have 8:1 compression to begin with and I
will be putting on a 1mm copper headgasket to raise that just a little. If
you are starting with a stock 16v bottom end, you can send your pistons to
Collin at TT and have them dished to get 9:1 compression.
Total seal rings are always a good idea with a turbo. I thing we are both
gonna use them?
The G60 headgasket isn't any thicker than the 2.0 16V or ABA gasket, just
make sure you get the better metal one. I think it's about 3mm thick when
installed.
As for intercoolers, the best choice is Spearco but that costs big $$$$ so
that ain't hapenin in my car. I have an Audi 5000T intercooler that I will
be welding custom end tanks on that I got for $15 at a Pick a Part. And I'm
toying with a Mitsu Starion cooler that I'll get welded with 2.25 inlet and
outlet.
I plan to run 10-13 lbs boost to start with and work up fron there as I
tune. I don't think that Brad has his boost management system sorted out
yet. I'm grafting in the APC system from a Saab Turbo that uses a knock
sensor to detect pinging and then backs off the boost until the detonation
stops. Theres a lotta Volvo guys running the Saab APC with great success
with boost up to about 18lbs.
Hope this helps anyone out there that wants to join us in the quest for the
ultimate blown Roc
BcH
> -----Original Message-----
> From: owner-scirocco-l@scirocco.org
> [mailto:owner-scirocco-l@scirocco.org]On Behalf Of the mad bastard
> Sent: Thursday, September 07, 2000 7:47 PM
> To: Bradley Peet; DAN
> Cc: Scirocco List
> Subject: Re: 16V Turbo Exhaust Manifold
>
>
>
> over 2 weeks after the fact, a voice comes calling...
>
> first of all, i just wanna say that dan may is as cool a cat as they
> come...and i'm not drunk or tripping here. fucking top notch
> guy...BTW, do
> i owe you any money, dan?
>
> i'll have to agree with bradley on this one. i love my car to death.
> it's got really snappy acceleration, and pulls from about 2000-7000 in all
> gears (except fifth...can't get her past 6400 - the damn thing is a brick)
>
> anyways, even with all this newfound speed, i'm still itchin bad. i
> want a turbo. but i dunno if i want to do up a 2.0 16V or a G60 motor (no
> Glader), or a 1.8T.
>
> i mean, i've barely any money to pay for gas, so it's not like this is
> going to be happening anytime soon, but when the time does come, i want to
> be ready.
>
> now for my questions, bradley:
>
> what kind of engine management system did you use? i plan to go
> with an SDS
> full engine management
> wjat kind of compression were you running?
> did you get aftermarket pistons?
> total seal piston rings?
> thicker (G60) head gasket?
> O-ring of the head??
> what size intercooler did you use?
> and how much boost?
>
> lastly, what kind of power were you pushing?
>
> sorry to bug ya like this, but you're the man that knows his
> shit. so i
> might as well point my questions directly at the target.
>
> anyways, thanks for the info, dude. lata!
>
> jason
> the mad bastard
>
> ----- Original Message -----
> From: Bradley Peet <btpeet@effervescent.com>
> To: DAN <sciroccodriver@yahoo.com>
> Cc: Scirocco List <scirocco-l@scirocco.org>
> Sent: Friday, August 25, 2000 10:56 AM
> Subject: Re: 16V Turbo Exhaust Manifold
>
>
> > Hard to come by but not THAT hard. I've never heard of this OTI place,
> but
> > finding a turbo manifold is but ONE of the challenges you'll face when
> > designing/installing a turbo system. There are enough AMS manifolds
> > floating around out there that you could dig one up without too much
> > trouble. I actually got a new one from them earlier this year.
> >
> > After you get a turbo manifold you have to think about
> compression ratio,
> a
> > lot of plumbing (for oil lines, coolant lines, boost tubes), what size
> > intercooler (& where will it fit), and perhaps most importantly: engine
> > management.
> >
> > That said, I still believe a turbo is still the only way you
> will ever be
> > truly satisfied with the power output. You can build up a 2
> liter 16V and
> > it will pull the car along respectably, but it never really has that
> "WOW!"
> > factor unless maybe you stick it in as light of a car (Mk1) as possible.
> >
> > That's MY biased perspective, anyway!
> >
> > Bradley
> > 88 S 16V
> > Boxes and boxes of turbo parts in my garage... kind of like El Hoonolé.
> >
> > >------------------
> > >Date: Wed, 23 Aug 2000 15:23:34 -0700 (PDT)
> > >From: DAN <sciroccodriver@yahoo.com>
> > >Subject: 16V Turbo Exhaust Manifold
> > >
> > >Please correct me if I'm wrong but I thought these
> > >were hard to come by which WAS one reason I figured
> > >I'd never put a turbo on a motor I built.....
> > >http://www.otiinternational.com/volkswagen.htm
> > >
> > >
> >
> >
> >
> > --
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> > "unsubscribe scirocco-l" in the message to majordomo@scirocco.org
> >
>
>
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