Thats it, I plan to run a IAT sensor there because I want to measure the temps after the intercooler. I am going to run the Killer Chiller so I can measure the water temps and then see what the temps are after the IC's. Good place for a boost gauge too.

You and I definitely have the same plan, I too am going with the interceptor gauge the way that Gotcha did his. I love the flush factory look that he did even though I am not excited about cutting into the dash. I can measure everything I need from that one gauge without the big triple pod.

 

The following picture (thanks A&A ) shows the TMAP (Temperature and Manifold Absolute Pressure) sensor. Correct me if I'm wrong but I'm thinking that sensor looks to be downstream of the intercooler already.

 

I think your right I missed that, so when using the interceptor gauge it will diplay that temp correct?

 

HP Tuners picks up the TMAP just fine thru the OBDII port. The Aeroforce gauge also uses the OBDII port so I'm going to say yes. I'm still waiting on my gauge to show up though. UPS decided to "resched" for Monday for some unknown reason...was supposed to originally arrive Thursday/yesterday. Given that it is Mother's Day weekend I'm probably better off not working on the car anyhow.

 

Please add me to the E-Force 1591 Club!
LM_DIN 591.8/LR_DIN 494.9 on SuperFlow WinDyn V2.8
Got the German/US octane count mixed up so I had regular unleaded instead of premium..never again!


Opted for BAP with Racetronix harness instead of replacing the pump (for now).

Also opted for a custom tuning aimed at sustained German Autobahn driving and lessening the torque management just a bit.

Also opted to feed both the BAP vacuum engagement switch and the NPP exhaust vacuum feed via the 1/8 NPT port - that's what is there for and it allow us to leave the brake vacuum alone.

Personal takes on the 1591 after installation:

Pros:
Great finish and professional build
Relative ease of install
Enough power and torque for me!
Save the obvious umph on the throttle I noticed minimal car Noise/vibration/whine behaviour changes which is what I wanted.
Heat - After few dyno runs before the final power meausurement the S/C unit felt extremely hot but after a three hour HGW drive and some city driving the unit felt much colder so I could verify good results on the cooling both at the gauge and the the touch.


Cons:

After a three hour HGW drive I resumed city driving and some "resonance" vibration/high pitch whine showed up and low rev acceleration but this morning it is all gone so for now I am going to associate it with normal "break in" behaviour.

Something has to give...Subjectively - this car has now lost that soft and smooth gentle shift and noise feeling at low revs.. - I know this begs for a laugh - obviously I cannot ask for extra 152 horses without something giving.
I may follow up with the tuner/Till and ask to revert to complete stock/TM to see what happens.

To me this E-force is a 8.5 out of 10 and yes I am a hard grader...I suspect the ZR-1 LS9engine feels like a 10 so I can leave with what I have for the price. Infact when I have my car at 200Km/h at sub 3000 RPM I feel great!

 

I assume your car is an auto?

 

How do those dyno numbers translate to values that we are more accustomed to on this side of the world? Are those straight across horsepower/torque numbers or something else?

 

Yes - A6

I'll post the before and after graphs ASAP. Basically it comes down to DIN meausurement vs US SAE meausurement: http://en.wikipedia.org/wiki/Horsepower

Turns out it comes to be a tad higher than SAE measurement. For instance the stock car came in at 439.8 vs the SAE factory advertised of 436. Not much of a difference really.

Another noticeable change I forgot to mention is gas consuption as I feel as I can almost see the gas gauge actually "move up" but could be my new faster driving as well. One think I should have done is take instant measurement pre and after to actually make an objective compare but subjectively speaking that gas gauge seems to be moving way fast :-(

 

Yes - Power 591.8 DIN (HP) and Torque 494.9. For torque, coming to think about it, seems a bit low compared to advertised numbers so I am going to ask the tuner whether there is a somewhat different conversion formula for that.

Final numbers came in after heat soaking the unit so it was about real numbers vs testing to get the highest numbers which the tuner could have probably easily done..

 

Interesting review. Thanks..

 

No guts no glory!...nothing like taking a 2" holesaw to your $60k car! Still need to take the ShopVac to it as plastic goes everywhere but you get the general idea.

 

Love it!! So did it measure the after intercooler temps? Is the intake air at 141 is that before or after the IC?

 

Dangit!...I knew someone would hit me up about that high intake temp! Alibi...this photo was taken after the car had been driven home from work, gauge installed and I sat there in the garage for 15-20 minutes with the engine running (no airflow across the heat exchanger) and the hood shut while I screwed around with all the settings on the gauge. That reading is coming from the TMAP. Oh and I need to research a bit more but that boost/vacuum value you see is coming from the ECU via the OBDII port...I have not installed the boost gauge sensor yet.

 

I was afraid you were going to say that It makes sense though, your sitting in the garage in Florida with the motor runing and no air blowing across the H/E, it can't cool it self off. That head unit I am sure gets over 200+ F which is going to heat the water.

When you get a chance do some data logging of temps at crusing and then how much do they go up when you get on it. I am curious how well the H/E is going to cool it down, and how fast it will cool the water. Thanks again, love the gauge!

 

Also did you confirm that the TMAP measures after the IC?

 

No I have not...short of calling Edlebrock tech support or pulling the lid of the case I wouldn't be able to tell you for sure.

 

One of the main reasons I bought this gauge was the ability to characterize what is happening with IATs in different driving scenarios adhoc. Beats having to carry a laptop around in the passenger seat all of the time. Give me a few days to get comfortable with the "norms" and I'll give you some feedback.

For those that don't know about this gauge it gives you the ability to simultaneously monitor 8 functions of your choice. I can manually choose which ones I want it to display by pushing a button or I can set the gauge to cycle through all 8 at a refresh rate of my choosing. Those two LEDs at the top of the gauge are configurable to flash on a low or high value off of any of those 8 parameters. For example, let's say I don't really think I need to watch fuel pressure all of the time because everything I know tells me life is good there. BUT....I damn sure want to know if my fuel pressure starts to go low so I set fuel pressure as one of my 8, choose not to display it all of the time, but have the LED annunciator go off (idiot light concept) if/when my fuel pressure drops below a value of my choosing....pretty cool feature.

One thing I do know for sure...I'm going to start work on fab'ing up a Halltech like "Beehive" enclosure for the air intake. I'm certain there is benefit to be gained by isolating the engine bay from the intake on this setup. It's a proven mod.

 

Maybe look into the the vetteair option too, it allows fresh air to come into the small compartment. Its a good idea though to make a filter to block dust and dirt from coming into that area, that is the only flaw with the vetteair setup.

Thanks for the update

 

Very cool. And for those that are hard pressed to cut into leather may want to think wireless via IPOD, Blackeberry... just an example:

http://www.dealextreme.com/details.dx/sku.16921

 

That's cool!