On 6/1/05 8:36 AM, "John Slade" <sladerj@bellsouth.net> wrote:

> What else is going to cause you manifold pressure to drop, while the engine runs smoothly?  I went from 32" to 19" MAP
> but everything else was fine (fuel pressure, oil pressure, fuel flow, voltage, amps etc).  
A blown intake hose will do that too. Very similar symptoms. Ask me how I know :)
John

John, you should do 360 once an a while and sniff the air for gasoline, look for oil smoke, loose parts floating down.... :)
Buly