Impressive. What are all of the parts to implement this failsafe?

 

mbc, failsafe trigger(zeitronix w/ zavt), mac valve(cuts boost)...if you're gonna do meth and get aggressive. It's worth getting a good failsafe.

 

Are you using our super MAP sensor with the Zt-2?

 

No. I believe mine is rated to 35psi

 

that's very cool, I'd like to figure out a way for it to thump me on the head so I get off the gas pedal too

 

Response time may also be improved depending on where and how the WGA driving pressure is tapped.

 

I read with interest, a couple of questions:

1. If the boost drop after trigger, why did the boost continued to drop after the afr has recovered below 12.5?

2. At ~4500rpm, or 75 revs per second. 162rpms = 2.16 seconds. Are you saying the response is slow or fast?

It is very impressive to see a failsafe at work. Not many people realise how important it is.

 

Yes I am impressed also - kudos

 

When the response time is put into those terms it seems as though it is very slow, but wouldn't this be the case only if the car was cruising at 4500. However, I think that since the car was accelerating it especially in that area (~4500 RPM's, near peak torque) that the RPM's would be moving very quickly, hence giving an almost instant response time.

This is what I made of this, however it may be very off. I would love to see some more input on this.

 

i have an additional alarm duration... 3 second cool down. It comes default at 0 seconds.

I don't think 162 rpms is 2.16secs....

 

At a steady 4500 RPM's it takes the motor 2.16 seconds to make the 162 revs. However, like I said above your measurement was taken during acceleration which makes your real delay probably a few tenths of a second.

 

correct.

 

The relevant duration is how long it takes for the rate of engine rotation to increase by 162 RPM -- not how long it takes for the engine to turn 162 revolutions.

 

Exactly what I was trying to say. Hence the reason it takes alot less than 2.16 seconds for the transition to occur.