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beancounter
 
jwasbury's Avatar
 
Join Date: Jan 2008
Location: Weehawken, NJ
Posts: 3,307
Innovate DL-32 or "AuxBox" - who has installed one?

I have the LC-1 wideband afr installed with a permanent gauge in the cockpit. I'm currently rebuilding the engine and want to add RPM & MAP to my data gathering capabilities.

I am interested in hearing from someone who has installed one of these units. Would like to know where you mounted it and how you hooked it up...pics would be cool too.

Thanks all.
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Jacob
Current: 1983 911 GT4 Race Car / 1999 Spec Miata / 2000 MB SL500 / 1998 MB E300TD / 1998 BMW R1100RT / 2016 KTM Duke 690
Past: 2009 997 Turbo Cab / 1979 930
Old 01-05-2010, 06:57 AM
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Turbofrog
 
smurfbus's Avatar
 
Join Date: Aug 2009
Location: Europe
Posts: 1,384
I've had my auxbox in my car and now it's in my bike. You just need to install it in a level place and either in the direction of the car or 90deg off so you can also use the g-force sensors. If there is room try under the seat. You need to have a hose for MAP as the sensor is in the unit itself. These units have an in build EGT too so to take advantage of it you need a k-thermocouple (mine did not function though)

Then I think you can chain your LC-1 and the new box to get an AFR from both banks in one log with all the other channels (rpm, map and g-forces).

Last edited by smurfbus; 01-05-2010 at 07:16 AM..
Old 01-05-2010, 07:12 AM
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Registered User
 
Join Date: Feb 2009
Location: FRANCE (Besanšon)
Posts: 310
Hello Jacob

I have an Aux box in my C2T

You can have some pics here

ELECTRONIC CIS fueling & BOOST control
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965 C2T / 1991 3.3 TURBO
Old 01-06-2010, 12:21 PM
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Certified User
 
billjam's Avatar
 
Join Date: Aug 2007
Location: Perth, Western Australia
Posts: 1,981
Garage
Lma-3 & lc-1

Jacob,
Here's how I did it - with pics

I rearranged some of the parts in the left rear of the engine bay to fit in the LC-1, RPM solenoid and test switch/LED for LC-1.



LC-1 is cable tied to a small aluminum bracket that is screwed to underside of lip of rear fender inner panel. This location is just perfect for the length of lead from the O2 sensor if sensor is in the area of the turbo.





Cables from LC-1, RPM wire and 4mm rubber hose for boost are bundled and run down front LH corner of engine bay, past fuel pump and through an existing blank rubber plug into the rear footwell.

The LC-1 cables were not long enough to go to my preferred location under the RH seat so I had to cut and splice in some extra wire. I did this for all wires including the serial cables. I bought a couple of metres of the serial cable wire and extended both of them, but if I were doing it again, I would take the extra length I needed from the Serial IN cable by shortening it and leaving it terminated (with the terminator plug) close to the LC-1.
I used two layers of small shrink wrap on each soldered cable join and larger shrink wrap over each bundle - love that stuff!



The aux-box is mounted on a bracket that places it just under the front of the RH seat. In this position, I can easily access it for calibration, to see its display and to plug in my laptop (or LM-1).
Near to the aux-box are two terminal boxes that I used for bringing all the wires together (from dash, engine bay and aux-box). While I was in there, I also included three spare wires in the loom from the engine bay in case I want to add extra sensors in future.
A common earth post (5mm bolt) is fitted to the seat support next to the aux-box for all the various earth wires.



The vacuum/boost hose tee's off at the aux-box and runs up under the dash to my boost gauge along with the wires to the Innovate G5 AFR gauge and power wires feeding the aux-box. My vacuum/boost hose is connected at the throttle body.



I spliced into the speedo sensor wire where it comes into the tunnel and that wire is connected to aux-box for speed logging. I am having a problem with getting logical readings from this connection if anyone can assist?
I was going to clip all these cables and the hose to the floor or rear of the footwell, but they actually sit unobtrusively under the carpet in the back corner of the floor so I haven't worried about securing them at all.

And if that's not enough info, here's the wiring diagram ...

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Bill
1988 Carrera - 3.6 engine (with ITBs, COPs, MS3X) and a whole set of turbo body panels waiting in the attic.
Day job ... www.sspowdercoat.com.au
Memories: '68 912, '72 911T, '80 911SC, '84 911, '85 930, '86 930, '87 911
Old 01-06-2010, 05:26 PM
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beancounter
 
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Join Date: Jan 2008
Location: Weehawken, NJ
Posts: 3,307
Thanks for the info/pics.

Bill, your installation of the LC-1 is very nice...I've got to tidy mine up now to keep up.

I will probably get the Dl-32 so I can log without a laptop. Obviously I want to keep the electronics out of the engine compartment. Unlike you Bill, I don't have a dedicated boost/vac line from the engine compartment to tap into, as my clock replacement boost gauge is fed by the brake booster line. I've considered locating the Dl-32 in the front trunk area as I have easy access to boost/vac signal off of the brake booster line, can get rpm from the tach, and of course 12volt. Problem with the front trunk location is that its far away from the engine compartment if I want to use the thermocouple amp and log CHT or EGT (and why not since its available?). So I guess underseat will be the way to go and I just need to add some air plumbing in addition to the wires.
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Jacob
Current: 1983 911 GT4 Race Car / 1999 Spec Miata / 2000 MB SL500 / 1998 MB E300TD / 1998 BMW R1100RT / 2016 KTM Duke 690
Past: 2009 997 Turbo Cab / 1979 930
Old 01-06-2010, 06:19 PM
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