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Pulse Air - Ford Pinto 2.0i
Jonte - 26/1/04 at 11:36 AM

Another one of my dumb questions

IŽm gonna use the catalyst due to high fee here in Sweden.
So, Is the pulse-air "things" in the exhaustsystem necessary?
It makes it harder to design a exhaustsystem with them and the vacuum-"thing"


Ian Pearson - 26/1/04 at 07:09 PM

Not sure what you mean by a pulse air thing, but I used to own an RX 7 in the early 80's. It had a belt driven air pump that pumped air into the exhaust to dilute the exhaust nasties to enable it to get through the Californian emission regulations. Seemed a bit of a con to me but perhaps something like this would work for you?


SeaBass - 26/1/04 at 07:35 PM

I thought the theory is that it doesn't just dilute exhaust gasses it completes combustion/gasses react further in the hot exhaust.

Cheers


Jonte - 27/1/04 at 08:48 AM

quote:
Originally posted by Ian Pearson
Not sure what you mean by a pulse air thing, but I used to own an RX 7 in the early 80's. It had a belt driven air pump that pumped air into the exhaust to dilute the exhaust nasties to enable it to get through the Californian emission regulations. Seemed a bit of a con to me but perhaps something like this would work for you?



Technical english isnŽt my stronger side.
IŽll try to take a picture later.

But first IŽll try to explain.
There are 4 tubes attached to the exhaust manifolds.
I think they let air into the exhausts to make it cleaner before the lambda-sond (?)

So? Are they necessery?