Current Gen Hummelink ITBs review

[@Davestreak]

Thanks for the Video. What i still dont understand, havent had anything to do with Itbs is: How did u do the Vacuum balancing? Because normally you would have 2 vacuum balance blocks: One for the MAP Signal, and one for the Idle Control bypass. How did you do the Bypass?

[@Rumnhammer]

You only need one vacuume block, without ITBs both the MAP and the IAC valve get their signal from the intake plenum. The IAC valve just bleeds air into the block which has 4 lines going to the intake manifold behind the throttle bodies.

[@Davestreak]

@@Rumnhammer okay, cause i have heard that it produces interference, why you should put 2 balancers

[@Davestreak]

@@Rumnhammer does the IAC stay? Normally its under the Throttle Body

[@Rumnhammer]

@Davestreak for an NA, you need to use a NB IAC valve and mount it on a bracket with fittings to attach it to the vacuum block.

[@Davestreak]

@@Rumnhammer Ah ok got it :D