New Wagner 5.7" IC's are in

here is the first log, now time for the re-map, more logs to follow.

Stay tuned for the install thread

 

Should do the logs when its much warmer....Looks like it was already pretty cold outside, whats the hottest it gets down there this time of year?

 

24 C been pretty cold this year, more logs to come.

 

2 more Logs with the 5.7" IC's

Looking forward to everyone's input.

 

whats about turbo boost responce vs 3.5 any different? (greater volume 5.7)

 

If there's a perceived difference in response I'll be shocked and skeptical. Consider how much air a 3.6 liter moves per revolution, how quickly we pressurize it, and how little difference in volume we're really talking. I put a far greater volume on a smaller engine with smaller turbos and received all sorts of flak telling me it would lag - I did testing datalogging with a standalone ecu to see. Difference was negligible. I wouldn't be afraid to go big with intercoolers and decent turbos for fear of added lag. Weight can be a concern though and a valid complaint considering where our's sit!

 

These coolers weigh 6kg each if I remember correctly, the weight is on wagnertuning.de

Spool is a little better and boost is up 0.15 - 0.2 bar. Car feels much quicker so far im very happy with the coolers.

The install is very simple no cutting or grinding with a dremel.

Ill write an install thread later tonight.

Next im going to copy BHT's idea and install 7" hi flow fans on the bottom of the coolers. I just need to work out where is the best place to wire them in so they continuosly run when the ignition is on.

 

That's pretty awesome. Have a few sets coming in from Germany they want me to try out!

 

Shall we start a countdown clock for the GT2RS guys to show up and claim that cooler is waaay better?

BTW, I'm seeing consistent +20 degree differences between intercooler outlet and IAT sensor. Not yet decided if it's heat soak on the IAT or not but if it's radiated heat getting into my freshly cooled air I'm going to be pretty upset!

 

IC threads - love them lol

Im not here to compare them to what I make, but I've done hundreds of pulls and logs over the years. I just finished up a A2873 turbo kit, the bigger A28 set up, with our 4.5" race coolers... here is a 3rd gear pull I did about 6 weeks ago, I actually was heat soaking the car doing back to back 3rd gear pulls... you can tell starting intake temps are mid 40s C... yes it was hot outside too.. I didn't log outside temp, I was more after watching fuel and boost... well this car is running 1.65 bar, 100 octane, pump timing, durametric boost maxed out... and the intake temps went up only 3 deg in one 3rd gear pull. Granted, I let off at 6K.. but its on considerably bigger turbo, and considerably hotter temp... and alot more boost... and I did a back to back in the log... same result...
I just took a pic... for quick reference, but IM including the full log with 2 back to back pulls...
Im not trying to start online drama... but a 10 deg C increase at 1.3 bar on k16 billets is a lot of intake temp in one pull for the 5.7 wagners... they should be half of what they did...
just sharing my observations, and Ive been at this IC stuff since 2004 on my own 996TT... but Ill also warn that intake temps are half of the story... coolers must flow too...



link to full log
https://www.dropbox.com/s/rsk2zajwdw...boost.xls?dl=0

 

and a follow up:
I tuned this car with bigger K24 biilets, 4.5" ICs made by another company... and the intake temps roughly are half of what the wagner 5.7" show from 3K to 6K... just to be fair and not sound like Im hating here... I know its all relative and there are way too many variabkles to be able to compare apples to apples...
here is a pic...

 

I love data too! One thing I'm seeing that's interesting is exit temps being close to 20degrees cooler than IAT. It seems completely consistent too. I'll be checking the temps at cold start tomorrow to see if all of the thermocouples agree. I know my intercooler input/output and dash thermometer agree within a degree. It's possible the IAT is heat soaking and if so I may try to insulate it. If not I'm insulating the Y-pipe to see if that helps.

One important thing installing these, IMO, is to make sure the ductwork seals up tight. I think any break in the seal lowers airflow over them. Joe's scoops ought to help but gotta' keep it sealed tight.

 

A cruise is when I note the temp difference, WOT I'm not really looking at the gauges lol! Eventually I think I'd like to add another sensor for IC outlet that I can log with the ECU to see wtf. Highway cruise tonight the difference was only 14degrees but still that's a decent amount. At that speed air out of the intercooler is nearly ambient if the dash reading is decent and my gauge claims its dropping as much as 25degrees out of the turbo outlet air. Might be fun to log turbo inlet temp and pressure drop :-D

I can say I pulled in the garage tonight and after idling saw 111 on the IAT, I popped the hatch and the Y-pipe wasn't all that hot. Insulating it from radiant heat wouldn't be hard at all even if it's just temporary for testing. I know that cruising in traffic tonight I saw 109 IAT for the longest time, I thought the input was hosed. Went WOT through a gear and a half and IAT moved to 114 but no further - ICs was dropping over 55degrees at that point :-P

Data is fun ;-)

 

Im going to change my intake back to stock tonight lets see what happens to these IATs, I have a feeling my new carbon dual intake is causing them to read so high.

 

If it's pulling air from the engine bay that could be it for sure! Was that installed before the new intercoolers?