[SEL] 8 cycling Witte

[jbcast at charter.net]

> > I have checked exhaust timing and have it set to 
> > close just past TDC, aprox 5deg.
> 
> That sounds good.  Since you know how to check that stuff,
> when does it open?  Anywhere from 30 to 0 degrees before
> bottom should be ok.  It's easy to check, so start there.
> 
> > I have also checked spark timing and it is set around
> 45deg BTDC 
> > (got this value out of book for an earlier Witte). 
> 
> I'm gonna go out on a limb here and say that the writer of
> that book was smoking crack.  Give it ten degrees.  
> 
> If everything doesn't work nicely after that, try to
> restrict the incoming air.  The mixer was made to run at
> rated speed and horsepower with full air flow through the
> venturi.  You may have to get tricky to compensate for
> slower speeds and less load.  
> 
> Rob
> 
Can you richen it up enough to make it smoke? If not check your fuel system and check valve.
J.B.