MFI for a Type 4, Any interst? Options

[Dr Evil]

I have been brain storming again and think that I may have found a feasable MFI pump for our beloved TIV 4cyl.

Any interest?

[lapuwali]

QUOTE (avendlerdp @ Jun 22 2005, 08:52 PM)

THe Alfa pump would be the low buck way to go due it's availability. There where only small changes in the space cam over the years with the '74 2.0 one being the best for Alfa performance. The oiling thing is easy to solve too. Just make a cover for the port in the side and fill the pump with oil. The oil barely circulates with the rest of the engine in the stock set up so I bet if you just changed it when you changes the engine oil there would never be an issue. It you wanted you could just have a high pressure line with a very small restrictor go the the pump and a drainback line. The pumps are very adjustable if you know how. There is a company called Wes Ingrham Inc. that rebuilds the pumps and can make custom cams etc. I have a V8 though so don't ask me. (IMG:http://www.914world.com/bbs2/html/emoticons/aktion035.gif)

I didn't know Wes could make new cams...Hmm.

No reason you couldn't do MFI with a V8. Alfa did with the Montreal. Two 4-cylinder pumps end to end, with only one logic section.

MFI, electronic or no, would be more expensive than an EFI system (and you don't really have to rebuild anything regularly on the EFI), but it has a number of inherent advantages. EFI has a really hard time doing sequential at anything over a 40% load or thereabouts, unless you use multiple injectors per cylinder and stage them. Vaporization is better with MFI just from the higher pressures involved. Since all gas MFI systems have just been modified diesel systems, and diesel is nearly always direct injection into the cylinder, you can make MFI into gasoline direct injection relatively easily. This brings a number of advantages in operating at the edges of the envelope, and can bring big gains in emissions while retaining wild valve timing.