[Diy_efi] mounting a GM tbi 'horizontal' versus 'vertical'

Torbjörn Forsman torbjorn.forsman
Thu Oct 6 15:46:01 UTC 2005


Ok, it was that one-injector TBI (from an Opel C16NZ engine '1989) i used.

/Torbj?rn Forsman

Lee M. Lemoine wrote:
> i should clarify, this is the TBI with one large injector at the top, 
> not the type with the 'spiderweb' inside (aka: 4.3 liter)
> 
> On 10/5/05, *Torbj?rn Forsman * <torbjorn.forsman at gengas.nu 
> <mailto:torbjorn.forsman at gengas.nu>> wrote:
> 
>     I have once tried to mount a GM TBI horizontally (or, 15? slanted) in
>     place of the Stromberg carb on an old Volvo B20 engine. Absolutely no
>     idle problems. The only difficulties were adaption of the TBI to the
>     different size of the engine.
> 
>     /Torbj?rn Forsman
> 
>     Lee M. Lemoine wrote:
>      > I'd imagine idle will be a little rougher, as most of the time on TBI
>      > vehicles at idle you can basically see the droplets of water drip
>     onto
>      > the throttle plate..  (least i could on my dodge aries!)
>      >
>      > Why not make an elbow and mount the TB in the vertical position,
>     so that
>      > you don't have to be concerned with fuel dripping out of the intake
>      > plenum...   I'm not sure, but from what i remember of my dodge,
>     there
>      > was quite a bit of fuel spatter with the air intake assembly
>     off...  not
>      > sure the vaccum through the idle control passage will be enough to
>      > contain all that.
>      >
>      > --LL
>      >
>      > On 9/29/05, *Dan Sawyer* < dansawyer at earthlink.net
>     <mailto:dansawyer at earthlink.net>
>      > <mailto:dansawyer at earthlink.net
>     <mailto:dansawyer at earthlink.net>>> wrote:
>      >
>      >     All,
>      >
>      >     I would like to mount a GM tbi on an MGB. The intake manifold is
>      >     horizontal instead of vertical. Is it possible to mount a GM
>     tbi rotated
>      >     90 degrees? What are the impacts of doing so?
>      >
>      >     Thanks,
>      >     Dan
>      >
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>      >
>      >
>      >
>      >
>      > --
>      > Sincerely,
>      >
>      > Lee M. Lemoine
>      > http://www.turbochargedsoul.com/
>      >
>      >
>      >
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> 
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> 
> 
> 
> -- 
> Sincerely,
> 
> Lee M. Lemoine
> http://www.turbochargedsoul.com/
> 
> 
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