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Last season when I removed the sensors I have installed on my engine, I neglected to mark which sensors went where. Are they different for the vacuum and fuel pressure? I noticed after searching for a fuel presure problem that I thought was there, but isn't. Could this be my problem?

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Mike,

It sounds like that is your problem. The sensors can be different from each other. Each sensor normally has a specific range that it can go up to. Here are some of the different ranges for sensors 15, 75, 150, 300 psi, etc.... For most of our sensors you can identify the type of sensor by looking on the etched numbers on th side of the sensor. If there are only two lines etched into the sensor it is typicaly a vacuum sensor. If it has three lines etched into the side of the sensor then it is a pressure sensor. On a pressure sensor you can identify the range by reading the first part of the etched line on the second row. Example if it is a 0-150 psi sensor then the start of it would read 0150G. The picture below is an example of a 0-150 psi. Hope this helps.

Donny

Thanks Donny. It looks like I had them in the right places after all. This is the sensor I had on the carburetor pressure regulator.

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http://www.1960belair.com