Injection of a siamesed(sp?) head

Robert King king at khis.com
Thu Sep 1 15:21:09 GMT 1994


> 
> Okay here's the problem... a BMC/Leyland/Rover "A" series engine (as used
> in an Austin Mini or MG Midget) has a siamesed head.   That means that each
> pair of cylinders shares a common intake port.   In this case a four
> cylinder engine has 2 intake ports and 3 exhausts.   The BMC "B" series
> engine is the same (as used in the MGB).
> 
> Here is the question...with a sequential injection system, should one use
> two injectors in each port - one per cylinder - or one injector servicing a
> pair of cylinders firing twice the rate?

   You might have a problem mounting two injectors in one port.  From a
real estate point of view, one injector doing double duty would be a
better solution, but I don't know how the injector would react to the
increased load.  You may also have troubles wiring the thing, but I
expect that could easily be overcome with some simple electronics.

+-----------------------------------------------------------------------+
| Robert A. King                |                                       |
| Systems Software Engineer     |                                       |
| Kodak Health Imaging Systems  |    "I drank WHAT?!?" -- Socrates      |
|                               |                                       |
| king at khan.khis.com            |                                       |
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| The opinions expressed here arn't even mine, much less my employer's! |
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