As a background I am building a lotus 7 look-alike with a 13b-RE JDM engine. (picture of car attached). It will be titled as an "assembled" vehicle here in Texas – this means the car will have to pass a full safety inspection - including emissions both sniff and visual at a designated safety inspection location. It should be ready for this in a couple of months time.

The car will have no AC or PS or other fancy stuff! I have already converted to non-sequential (for simplicity) and will be using a manual boost control set-up. The "Rats nest" and solenoids are all history. The car will weigh around 1200 lbs so I will not lack performance I am sure.

The RE engine does not have EGR as per the seris 5 13b REW (i think). I am using a side pipe exhaust consisting of a small SS cat and muffler. Also, PCV is no problem as I can figure that out on my own along with the charcoal cannister deal (although purge is history).

I understand from previous posts that I can use one of the Haltec PWM outputs to switch the airpump clutch on at idle and off at say 3500 RPM I guess, but I am confused as to how to make the Haltech control the other ACV functions, and indeed which I need to use – and when. I guess I can use the other PWM outputs in a similar way.

Here goes with the questions.........What ACV bits (Port, Split, Relief?) do I need to have operating and under what engine conditions. I think i need the port air (to manifold) to work at idle and the split air (under load?) up to 3500 RPM but I'm not sure........On the RE's ACV there are two 1” pipes…. I guess one is from the Air pump and one is relief. There is just one electrical solenoid valve in the body of the ACV that I think controls the split air, and there is also one vacuum inlet that closes the lower one of the two 1” pipes when under vacuum. I think this does the relieving.

Hope this is clear to someone……..Thanks in advance for any help

 

BTW, the EGR valve was standard on the 3rd gens here in the states, but the Japanese cars didn't have EGR - that's why your motor doesn't have it. You should be able to pass without EGR, though, as long as they're mainly concentrating on tailpipe numbers.

Dig around in the Haltech forum - I know Brian Cain got his Haltech-equipped FC to pass Texas emissions with flying colors.

Dale