FW: MAF Upgrad

[BUTLER, Tom]

Run the boost of both turbos into the one plenum.  It then won't make
any difference whether one turbo is making more boost than the other.

> -----Original Message-----
> From:	Frederic Breitwieser
> [SMTP:frederic.breitwieser at xephic.dynip.com]
> Sent:	Tuesday, February 24, 1998 1:44 PM
> To:	diy_efi at efi332.eng.ohio-state.edu;
> diy_efi at efi332.eng.ohio-state.edu
> Cc:	diy_efi at efi332.eng.ohio-state.edu
> Subject:	Re: FW: MAF Upgrad
> 
> >case.  It might be easier to just have one MAF supply voltage (and
> the 
> >other is a dummy) and just change your tables to compensate.  i.e.
> assume 
> >that twice the amount of air is entering the engine as the MAF says
> there is.
> 
> The advantages of doing this is its very simple to devise - bolt on a
> few
> MAFs and connect them up.  But, with my desire to run twin turbo's,
> this
> introduces more potential for problems, as I'd have to have the ECM be
> aware of one turbo is boosting higher than the other...  I debated for
> a
> while, physically mounting the turbo's in such a way that I could put
> a
> shaft rod between them to ensure they boost at the same level, but I
> dunno.
>  I started making my manifold anyway, though the front of the intake
> log
> plenum has an open face - I'll be welding on a panel with either one
> hole
> or two depending on how I'm going - I have two MAFs, two
> ThrottleBodies,
> and using two, allows more flow with cheap OEM junkyard parts.
> 
> 
> 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)
> 
> ---