Swap A K Powered CRX

The purge canister, previously...        read full caption The purge canister, previously mounted on the firewall next to the fuel filter, now sits next to the left-side mount. Also, check out the AEM intake--a tube and a 90-degree elbow welded together--and also the throttle cable from an EP3.	The K engine uses a returnless-style...        read full caption The K engine uses a returnless-style fuel system. Here we used an AEM adjustable pressure regulator to not only achieve the pressure we need, but also to connect to the return fuel line. Fuel comes in at the filter (1), hits the rail (2) where the pressure gauge is, leaves the rail and goes to the regulator on the right side (3), then back to the tank out the bottom of the regulator.	Here's why you notch the headlight...        read full caption Here's why you notch the headlight area. In this case, Hasport's idler pulley/power steering pump delete kit puts the alternator where the A/C compressor was. There's no power steering in a CRX, so normally you'd put the idler pulley from an EP3 here (but you'd have to cut the hood for clearance). With this kit, the alternator goes low and the idler pulley is superlow profile. With a JDM SiR hood, it all fits.
The stock K header won't work...        read full caption The stock K header won't work because of the Civic/CRX rear crossmember. Here we're installing a custom 4-2-1 pipe sold by Hasport. It ends where the original cat would have ended, so you can plug right into a stock cat-back or keep the cat by locating it further back.	This is the radiator fan switch...        read full caption This is the radiator fan switch and Hasport adaptor installed in the lower radiator (a modified upper '94-'01 GS-R) hose. The adapter is also available with a second hole for the temp gauge in the dash. That sensor should be mounted in the top hose (a second GS-R upper hose) for more accurate engine temps. If the radiator fan switch is mounted in the top hose, it'll still work fine but will cause the fans to run longer than necessary.	This is how we get a cable-equipped...        read full caption This is how we get a cable-equipped Civic/CRX to shift a hydraulic transmission. The slave comes off and Hasport's conversion kit goes on. Pedal feel is excellent and it's no more effort than a hydraulic system.
Underneath, the factory front...        read full caption Underneath, the factory front crossmember will bolt back in, but requires a lot of trimming to make it fit.	This sensor (in hand) is an...        read full caption This sensor (in hand) is an emissions device that sucks air from around the injectors when the manifold is cold. We removed it and replaced it with a water temp sensor that wires to the ECU and the temp gauge in the dash.	Inside the cabin, the wiring...        read full caption Inside the cabin, the wiring fits nicely behind the ECU. It's been swung up to expose the wiring, but when installed, the K ECU fits in the area where the stock ECU was with just a little fabrication.
Here's Hasport's modified...        read full caption Here's Hasport's modified K-engine harness with parts from the original CRX harness added.	Since the stock speedo is...        read full caption Since the stock speedo is cable-driven and the K transmission is electrical, we located an SiR gauge cluster because it has an electrical speedometer drive. Connect it directly to the output of the K transmission. Be sure to get a cluster with all of the connectors so you can easily wire it into the car.	The SiR cluster is in place...        read full caption The SiR cluster is in place and even has a tach that spins high enough. Check out that EP3 shifter conversion. If you want to try this, prepare for some fabrication. Get the shifter box and cables from an EP3 as well.
Pretty, yes? Not a bad fit,...        read full caption Pretty, yes? Not a bad fit, not overly complicated, and one of the most unique swaps out there.

Cracking this K Nut what you need to know about this swap:
•Unless you skip the idler pulley, you'll becutting the hood
•Make sure to get the transmission, shifter cables and ECU with your K engine
•You'll need custom axles
•It won't meet CARB emissions requirementswithout serious investment
•The stock speedometer won't work, but a JDM SiR cluster will
•A custom header and some exhaust work are required
•If you're not skipping the idler pulley and you're not using a Civic Si engine, get one from an EP3 K20A3
•Get a radiator from an EG or EK
•The wiring on this one is a bitch. Get the Hasport kit