Super Street Network

Due to the EU’s Global Data Protection Regulation, our website is currently unavailable to visitors from most European countries. We apologize for this inconvenience and encourage you to visit for the latest on new cars, car reviews and news, concept cars and auto show coverage, awards and much more.MOTORTREND.COM
 |   |   |  AEM Electronics' Sensor Install
Subscribe to the Free

AEM Electronics' Sensor Install

Modernizing Honda's B-series

Mar 14, 2018

Over the past few decades, Honda's B-series has been modified, pushed to its limits (and beyond), and repurposed more times than we can remember. And whether it's the simple engine swap and street duty you're after or the high-horsepower race build that has you daydreaming about bouncing off of that rev limiter, you can bet there's an aftermarket solution available every step of the way.

One area that's seen the greatest amount of progression since the early '90s is engine management systems or, more importantly, affordable, user-friendly, and effective engine management systems. You can easily source plug-ins that give you base maps and enough adjustment to get your bolt-on engine setup running the way it should, along with full-blown standalone systems that give you complete control of every facet of your car's heart. On that end, there's AEM Electronics.

You've always known about AEM's popular Series 1 and 2 EMS systems, but in recent years it's their Infinity system that's had everyone talking. Packed with advanced features usually reserved for systems that are far pricier, Infinity offers everything you need to properly oversee your build with plenty of room for add-ons later on.

In prepping this particular B-series for Infinity, we've added a number of AEM sensors to help monitor vitals in the quickest, most precise way possible. What those sensors pick up will be relayed to Infinity and displayed in vibrant color via AEM's CD digital dash display unit (CD-5 5-inch, and CD-7 7-inch displays). Here's a look at the sensor and EPM used to start on the modernizing of this turbocharged B-series:

Oil and Water Temperature

AEM electronics sensor install water temperature sender Photo 2/19   |   AEM Electronics Sensor Install Water Temperature Sender
AEM electronics sensor install water temperature sensor Photo 3/19   |   AEM Electronics Sensor Install Water Temperature Sensor

In order to feed the Infinity oil and water temps, we picked up their brass 30-2013 Temperature Sensor Kit. For water temp, we pulled the sender that supplies temp info to the stock gauge cluster, and AEM's 1/8-npt fitting almost fits perfectly, but because Honda uses a 1/8-bspt thread, a proper tap or an adapter is needed. We chose to tap it, and its compact design fits perfectly under the radiator's braided hoses without any interference.

AEM electronics sensor install oil temperature sensor Photo 4/19   |   AEM Electronics Sensor Install Oil Temperature Sensor
AEM electronics sensor install turbo oil feed line Photo 5/19   |   AEM Electronics Sensor Install Turbo Oil Feed Line

Oil temps can be pulled from a number of different sources, including the oil pan. Because we're using a Golden Eagle oil filter adapter "sandwich plate" to feed the turbo filtered oil, there's an unused -8AN port that was originally capped off and is now fitted with a -8 to 1/8-npt adapter. The depth of this port, with the adapter stacked on top, leaves plenty of room for the AEM's temp prong to get solid, full-time monitoring.

Oil and Fuel Pressure

AEM electronics sensor install oil pressure sender Photo 6/19   |   AEM Electronics Sensor Install Oil Pressure Sender
AEM electronics sensor install BSP to NPT adapter Photo 7/19   |   AEM Electronics Sensor Install BSP To NPT Adapter
AEM electronics sensor install oil pressure sensor Photo 8/19   |   AEM Electronics Sensor Install Oil Pressure Sensor

Pulling oil pressure with AEM's 30-2130-150 is pretty simple with a B-series block. The factory pressure sender on most is right next to the oil filter location and uses the same 1/8-bspt threading that we saw on the water temp port, but rather than tapping this time, we picked up a bspt-to-npt adapter to attach the sensor.

AEM electronics sensor install fuel pressure sensor Photo 9/19   |   AEM Electronics Sensor Install Fuel Pressure Sensor

The Aeromotive fuel pressure regulator we're using features a 1/8-npt front port that you can add a gauge to, but since ours is already mounted to the end of the fuel rail and this opening was capped, we're using it to pull a pressure number. A 90-degree fitting is utilized to clear the charge piping as it bends toward the manifold.

AEM electronics sensor install MAP sensor Photo 10/19   |   AEM Electronics Sensor Install MAP Sensor

MAP sensors like the 30-2130-50 are typically run directly to the intake manifold by making a hole and tapping or, as is our case, using a pre-threaded hole provided by an aftermarket intake manifold. There it measures pressure in the manifold and relays a signal for the engine load to the management system. And while the sensor is threaded and ready to mount right to the plenum, this one will be remotely mounted and isolated to the firewall (once the rubber insert-equipped mounts arrive) with a line that runs to one of the supplied ports on the bottom of the manifold in order to avoid excessive vibration and any potential for a false signal.

AEM electronics sensor install air temperature sensor bung Photo 11/19   |   AEM Electronics Sensor Install Air Temperature Sensor Bung
AEM electronics sensor install air temperature sensor Photo 12/19   |   AEM Electronics Sensor Install Air Temperature Sensor

To get a good reading of air temp, the 30-2014 required a little extra effort. AEM supplies a bung for the sensor so we stopped by Sportcar Motion to have it welded into place using some real estate on the underside of the charge piping, completely out of site.

AEM electronics sensor install aem 02 sensor Photo 13/19   |   AEM Electronics Sensor Install Aem 02 Sensor

An O2 sensor is an O2 sensor, right? Well, not really. Not only does the 30-2001 offer a more accurate AFR reading than just about anything readily available, it does so much quicker. How quick? Less than 100 milliseconds, and the unit's heater element only takes about 20 seconds to warm up.

AEM electronics sensor install OEM distributor vs AEM EPM Photo 14/19   |   AEM Electronics Sensor Install OEM Distributor Vs AEM EPM
AEM electronics sensor install distributor retaining clip Photo 15/19   |   AEM Electronics Sensor Install Distributor Retaining Clip
AEM electronics sensor install downstar hardware swivels Photo 16/19   |   AEM Electronics Sensor Install Downstar Hardware Swivels

One of the most aggravating aspects of the B-series family is its ignition system. Now some have gone years without ever having a single issue with their factory distributor setup while others, like us, have been plagued by igniter failures and constant cap and rotor scrutiny. To avoid the frustration and further modernize our B, we decided to do a coil-on-plug conversion using OEM RSX coils and AEM's 30-3255 electronic position module (EPM). Built to last, produced in 6061 T-6 billet aluminum, it fights off vibration with a shock-absorbing elastomer drive system.

To install the EPM, you'll need to steal the retaining clip, pin, drive, and shims from your OEM B-series distributor. It's a very simple swap, requiring only that you release the clip, collect the above-mentioned bits, and reinstall them onto the AEM unit, which takes less than 5 minutes. The small, slotted disc being held on with Downstar's hardware swivels and allows this EPM to fit any B-, D-, or H-series engine type.

AEM electronics sensor install 02 sensor clip Photo 17/19   |   AEM Electronics Sensor Install 02 Sensor Clip
AEM electronics sensor install oil temperature sensor plug Photo 18/19   |   AEM Electronics Sensor Install Oil Temperature Sensor Plug
AEM electronics sensor install rywire engine harness clip Photo 19/19   |   AEM Electronics Sensor Install Rywire Engine Harness Clip

With the sensors mocked up, we began running a custom Rywire Motorsport Electronics engine harness throughout the engine bay to connect everything to make sure there were absolutely no clearance issues. The harness features only the essentials and gets rid of all of the factory bits that are no longer used on a build like this, and since we told Rywire which sensors we'd be using, the company set us up with an engine harness that is literally plug and play. Everything worked out well and with a final once-over, we removed the sensors, applied a healthy amount of sealant, and tightened them down for good.

With the prep work complete, we're ready to install AEM's Infinity and CD digital dash display combo next time around.


Garden Grove, CA 92843
AEM Electronics
Hawthorne, CA 90250
By Rodrez
944 Articles



In terms of project car building, some might assume that working for the Super Street Network and dealing with cars like this long-term 1992 Honda Civic VX hatchback means spending multiple days of the week wrenching away and making progress. The reality is, as much as I’d love to be able to do that, my
RodrezNov 16, 2020
Project K24's suspension gets an update courtesy of Fortune Auto, PCI and Circuit Hero
RodrezOct 22, 2020
We give you the quick rundown of how to troubleshoot suspected boost leaks.
Scott TsuneishiOct 22, 2020
For those who enjoy the audible, haptic feedback that comes from a snickety aftermarket shifter kit Hybrid Racing's Short Shifters offers the most diverse, innovative approach we've seen thus far from a bolt-in system.
RodrezOct 1, 2020
A step-by-step guide to knocking out parts powder coating projects in your home garage
Scott TsuneishiSep 17, 2020
Sponsored Links