Quote:
Originally Posted by Showdown
4.) A large manifold (with 9 ports: 6 for the ITBs, one for the ECU, one for the brake booster and one for the IAC) would be ideal for plumbing an IAC. That was the approach I was going to take until I decided on a hand throttle which has been ridiculously simple to install and operate. It also has the added bonus of being a poor man's cruise control  |
Quote:
Originally Posted by rwest
Hi Bert,
I can easily hook all of my cylinders and IAC up to the same manifold. Doesn’t the IAC behave like a large vacuum leak or am I missing something?
Thanks,
Rutager
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So I did what Julian suggested - put a large(r) manifold connection to get as much signal for the MAP. The IAC from my understanding acts as a small input of air, similar to the hand throttle, and to certain aspects of the WUR. That's why with my non-IAC'ed system, I have to use the accelerator to provide that air.