MAF Issues

[Frederic Breitwieser]

>Why don't you use one MAF and use a bypass valve that opens
>at WOT to let in more air. The MAF is only useful when in closed
>loop. In the open loop of full throttle you can program for the extra
>air that the bypass valve can add. Cheap and effective way of adding

Good point, thank you :)

>extra air for HP. In your twin turbo setup you need to have a balance
>tube between the 2 halfs of the engine, or use the exhaust of one side
>to drive the turbo of the othersides input. That way you will balance
>the turbo speed.

I am planning on building my intake, so that every other firing cylinder is
connected to opposite intake halves - this was to ensure that both sides
will be the same pressure more or less, because air will be taken from each
half of the plenum alternately.  I like your idea about crossing the
turbo's, that's certainly easy to do.  At this point, more out of
frustration and lack of understanding, I was very close to making one
larger plenum, and attaching the turbos to it, as well as all six intake
runners, much like the dual-turbo plenums (Like CarTech for example) that's
across the aftermarket industry currently.  I wanted (originally) to make
sometime functional yet radical.

More to think about, thanks !

(PS to Bruce - see, only one copy <Grin>)


Frederic Breitwieser
Bridgeport, CT 06606
http://www.xephic.dynip.com/

1993 Supercharged Lincoln Continental
1989 4-Door Softtop Humvee (Hummer)
2000 Buick GTP (Mid-engine track car)

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