Marc's 1990 4.2L V8 Twin Turbo Coupe Quattro

85oceanic · Post by **85oceanic** » Fri Apr 09, 2010 6:28 pm

Hell YA!!!! Sounds SOOOOO GOOOD! I love it! :-D Makes me really want a v8 Audi somday.

cuatrokoop · Post by **cuatrokoop** » Fri Apr 09, 2010 6:52 pm

Nice Marc

AudiSport4000 · Post by **AudiSport4000** » Sat Apr 10, 2010 8:47 am

Holy smokes!! I really hope to see this at Carlisle Marc :-D

my2000apb · Post by **my2000apb** » Mon Apr 12, 2010 7:13 am

AudiSport4000 wrote:Holy smokes!! I really hope to see this at Carlisle Marc :-D

:stupid: :stupid:

bcbsox · Post by **bcbsox** » Sat Apr 24, 2010 3:17 pm

you, sir are an inspiration

Post by **HT Motorsport** » Sat Apr 24, 2010 6:16 pm

Dyno? Numbers?

Post by **Marc** » Sat Apr 24, 2010 8:04 pm

timmmy wrote:Dyno? Numbers?

1 2 3 4 5 6 7 8 9 0

:-P

Maybe if Hank would get that shipment of fuel rails to me....

PRA4WX · Post by **PRA4WX** » Sun Apr 25, 2010 7:50 am

a4kquattro wrote:
timmmy wrote:Dyno? Numbers?

1 2 3 4 5 6 7 8 9 0

:-P

Maybe if Hank would get that shipment of fuel rails to me....

Somebody a little touchy?!!

Post by **Marc** » Thu Apr 29, 2010 6:42 pm

speaking of fuel rails, they just arrived

I'll hold off on the photos until the rest of the parts arrive. Definitely over-doing the fuel system on the car so I wont have to worry about it anymore:

dual 1/2" NPT weld fittings for the stock tank for a gravity drain for under-car pumps.
dual 044 fuel pumps
speedflow billet metric to AN check valves
Y-block from -8 pump outlets to -10 main feed line
custom fuel rails, -8 ORB o-ring seal fittings.

I suspect I shouldn't have any more issues with falling fuel pressure

cuatrokoop · Post by **cuatrokoop** » Thu Apr 29, 2010 7:09 pm

Marc, why haven't you just run a Weldon pump? -12 in, -10 out, single pump, done. We use the 2345A at work, pushes something like 3gpm and we've pegged 200psi gauges with them. Fantastic pumps. Look at the DB2025A.

Post by **Marc** » Thu Apr 29, 2010 7:56 pm

cuatrokoop wrote:Marc, why haven't you just run a Weldon pump? -12 in, -10 out, single pump, done. We use the 2345A at work, pushes something like 3gpm and we've pegged 200psi gauges with them. Fantastic pumps. Look at the DB2025A.

how's it handle ethanol? I have yet to find something that works as well as bosch 044 with all combination of fuels at reasonable pricing.

Post by **Hank** » Thu Apr 29, 2010 8:00 pm

I am excited to see the new setup and the new dyno numbers with the 4.2

I am at this road with my car too. I want to run e85 like I am now at the 35psi level. I like the big aeromotive pumps, but for that money, you could do dual 044.. Sure, there would be less complexity, but a big ruckus back there.

cuatrokoop · Post by **cuatrokoop** » Fri Apr 30, 2010 3:00 am

a4kquattro wrote:how's it handle ethanol? I have yet to find something that works as well as bosch 044 with all combination of fuels at reasonable pricing.

Works with gas, diesel, methanol, ethanol, nitromethane, race fuels and jet fuel plus I'm sure other stuff...The DB2025A is good to ~1400hp, so maybe you don't need one that big, but they have the DB2015A which is good to ~1000hp. Plus a whole host of -8 in/out pumps.

Post by **Hank** » Fri Apr 30, 2010 4:34 am

Those Weldon pumps are still more expensive than 2 044 pumps though, unless I am missing something.

Post by **Marc** » Fri Apr 30, 2010 5:34 am

ShavedQuattro wrote:Those Weldon pumps are still more expensive than 2 044 pumps though, unless I am missing something.

if you factor in splitter, fittings, hose ends, etc the dual 044s may be more expensive at retail, but I have a wholesale line on 044 pumps, do not have wholesale line on weldon racing stuff

my2000apb · Post by **my2000apb** » Fri Apr 30, 2010 6:26 am

its all about the connections

a_CQ · Post by **a_CQ** » Fri Apr 30, 2010 6:36 am

Gittrdone. I want a ride at Carlisle.

cuatrokoop · Post by **cuatrokoop** » Fri Apr 30, 2010 8:32 am

a4kquattro wrote:if you factor in splitter, fittings, hose ends, etc the dual 044s may be more expensive at retail, but I have a wholesale line on 044 pumps, do not have wholesale line on weldon racing stuff

um....maybe you do...

Josh · Post by **Josh** » Fri Apr 30, 2010 4:50 pm

got a ride in the famous coupe v8TT quattro. Thanks for the inspiration.

cuatrokoop · Post by **cuatrokoop** » Fri Apr 30, 2010 5:51 pm

nice!!

Post by **HT Motorsport** » Fri Apr 30, 2010 8:06 pm

Getting out of marks coupe and into my Astro = depressing commute

cuatrokoop · Post by **cuatrokoop** » Fri Apr 30, 2010 8:33 pm

I would imagine it would be H...

Alloutofdonuts · Post by **Alloutofdonuts** » Sat May 01, 2010 4:20 am

lol @ rubber tube!

kday · Post by **kday** » Mon May 10, 2010 5:31 am

This car sounds very mean from the next lane.

It's pretty fast, too.

And stinky!! I think I smelled some clutch mixed in with all those unburned hydrocarbons

Post by **Marc** » Mon May 10, 2010 11:42 am

kday wrote:This car sounds very mean from the next lane.

It's pretty fast, too.

And stinky!! I think I smelled some clutch mixed in with all those unburned hydrocarbons

nah, that would be the oil vapors overpowering my single provent CCV. I have a 2nd one on order

So I take it the side valve seems to be working? its on my list to double check the actuation on it, I cant really hear a difference from inside the car, but there are other things to concentrate on at WOT in that thing...

there is no organic matter in the clutch system to smell (sintered iron Southbend Stage 5) and it definitely does not slip. The tires on the other hand, have a habit of doing that on occasion.