Re: Governors on 345/392 engines...

[Daniel Youngquist <dany@domain.elided>]

On Fri, 9 Jan 1998, Eric Walter wrote:

> There is a governor on my 1600 Loadstar, I know it was a real pain
> when my brother rebuilt the carb (said it took him 6 hrs. and the
> rebuild kit was super-expensive).  When I took the carb off it looked
> like there was an extra vacuum line returning from the distributor, I
> think it sends a vacuum signal to something on the carb that backs off
> the throttle. If you want, email me and I'll give you my brother's
> phone number. 

That sounds like the mechanical governor on the 366's in the Chebby farm
trucks I used to drive and head-mechanic on, circa 1981.  They had
Holley 4-bbl carbs with an extra vacuum solenoid that was hooked to the
distributor.  When the engine reached the governed speed (a little over
6000 RPM in this case) the distributor supplied vacuum to that solenoid,
which closed the throttle just enough to keep it right at the governed
speed.  You could use it as cruise control by just putting the pedal to
the metal.

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