Muscle Car Fuel Injection
Kevin Crain
kevin at warpten.com
Wed Sep 17 19:47:53 GMT 1997
Is there a relatively painless path from CFI to port injection, letting me
keep the factory wiring and sensors? Seems like it's got a usable sensor
package with O2, temp, knock, MAP, etc.
-Kevin
On Mon, 15 Sep 1997, Gary Derian wrote:
> The Corvettes ran poorly due to vacuum leaks and a very large wetted
> manifold surface. Large cool wetted surfaces accumulate fuel on their walls
> at low vacuum (opening the throttle). This fuel then vaporizes at high
> vacuum (closing the throttle) and causes a large hydrocarbon spike in the
> exhaust. That is why the crossfire Corvette and Camaro was available only
> with an automatic transmission. Also, fuel mixture distribution tends to be
> poor. Use port injection and design your intake manifold to flow dry air.
>
> -----Original Message-----
> From: Paul Tholey <pft101 at psu.edu>
> To: diy_efi at coulomb.eng.ohio-state.edu <diy_efi at coulomb.eng.ohio-state.edu>
> Date: Monday, September 15, 1997 5:18 PM
> Subject: Muscle Car Fuel Injection
>
>
>
> >I have subscribed to the efi listserv and have found little mention of
> >muscle car fuel injection. I am trying to design fuel injection for a 1971
> >Duster. The engine is a 360. I am working on designing a cross ram
> >injection using a custom made sheet metal intake manifold.
> > I am in the beginning stages of this design. The Corvette cross
> >fire injection was my inspiration for this. The small block chevy and
> mopar
> >both have the same firing order so I was contemplating using a cross fire
> >computer. I have found that most of these cross fire cars ran poorly.
> Does
> >anyone know why? Should I gear my design away from a throttle body? I
> >would like to.
> > I am intimidated by most of the postings. If anyone is
> >compassionate enough to lend some guidance I would love to return the
> favor.
> >I am capable of creating any custom sheet metal style aluminum intake
> manifolds.
> >
>
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