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I found some interesting parts while browsing today. If this is an injection pump off of an Oldsmobile diesel then how does the actuator on the side work?
The 200-4R and TH200 do not use a vacuum modulator. They use a throttle valve cable. The TH350, however DOES use a vacuum modulator and this valve is the Transmission Vacuum Valve. Since the diesel does not create manifold vacuum, this valve on the injection pump mimics the manifold vacuum vs. throttle position properties that a gasoline engine would have. The diesel vacuum pump provides vacuum on one side of the valve and the other side is connected to the TH350 modulator. This way the TH350 thinks it is connected to a gasoline engine and shifts appropriately.
I actually posted a similar thread on the Ford truck forum I'm a member of. I was wondering if the vacuum modulator on this injection pump could be used on another Stanadyne IP to control the shift points of a Ford C6 transmission. The vacuum regulator valve used in those Ford trucks is hard to find. Like full sized Delta 88 disc brake parts hard to find! Well maybe not that difficult yet due to the age difference.
I actually posted a similar thread on the Ford truck forum I'm a member of. I was wondering if the vacuum modulator on this injection pump could be used on another Stanadyne IP to control the shift points of a Ford C6 transmission. The vacuum regulator valve used in those Ford trucks is hard to find. Like full sized Delta 88 disc brake parts hard to find!
Ford is a four letter word to me, so I'm afraid I can't provide any insight. I guess you would need to compare the throttle travel angle and the vacuum vs. position curve of each valve.
March 11th, 2019, 11:10 AM
Well maybe not that difficult yet due to the age difference. 
