Vacuum amplifier

[Dan Georgino]

In the 70's they had the vacuum amplifier, what does it actually do, and can you get rid of it completely?

 

[Dicer]

Here's a tid-bit get you going: vacuum amplifier

 

[Dan Georgino]

Here's a tid-bit get you going: vacuum amplifier

Great thanks

 

[67Dart273]

Have you read the factory manual? You can download several years, free, at MyMopar.com

 

[AJ/FormS]

what does it actually do,

The device stores, High manifold vacuum, which has the capacity to do work, for use when, the manifold vacuum is lower than normal.
This source can and has been used for many purposes, including operating your A/C controls, your cruise-control, and various vacuum servos, that are occassionally triggered by venturi vacuum.

can you get rid of it completely?

That kindof depends on what yours is actually doing.
If you have a manual trans, and the tank is working your A/C servos, then probably not.
If it was being used in conjunction with a now junked Lean-burn system, then probably yes.
If it was running your cruise-control and your cruise-vacuum is low, or if your engine is down on cruise-power, then probably no.
During the 80s slantys were severely handicapped by retarded ignition timing. as a result the low-rpm manifold vacuum was very low, as was the power. That's when these devices were brought to popularity.
They do NOT, of themselves, affect engine output.

BTW
a properly functioning EGR system, does not affect power "much" either.
Egr is supposed to never work at WOT, Nor ever work on a cold engine. Sometimes they are electrically controlled to only work in high gear, and sometimes not until a certain amount of time has gone by.
In the earlier years, they worked only as an on/off device, and only recirculated a tiny bit of EG
But as time went by, the manufacturers found out that with computer controls, they could introduce a lot of EGR under certain circumstances.
In our old Mopes the passages coked up in a few years and they stopped working all by themselves, lol. But if they didn't coke-up, they also didn't do much, and when working correctly, you couldn't tell they were working at all. Except maybe at the gas-pump.

 

[diymirage]

In the 70's they had the vacuum amplifier, what does it actually do?

they suck

 

[Dan Georgino]

The device stores, High manifold vacuum, which has the capacity to do work, for use when, the manifold vacuum is lower than normal.
This source can and has been used for many purposes, including operating your A/C controls, your cruise-control, and various vacuum servos, that are occassionally triggered by venturi vacuum.

That kindof depends on what yours is actually doing.
If you have a manual trans, and the tank is working your A/C servos, then probably not.
If it was being used in conjunction with a now junked Lean-burn system, then probably yes.
If it was running your cruise-control and your cruise-vacuum is low, or if your engine is down on cruise-power, then probably no.
During the 80s slantys were severely handicapped by retarded ignition timing. as a result the low-rpm manifold vacuum was very low, as was the power. That's when these devices were brought to popularity.
They do NOT, of themselves, affect engine output.

BTW
a properly functioning EGR system, does not affect power "much" either.
Egr is supposed to never work at WOT, Nor ever work on a cold engine. Sometimes they are electrically controlled to only work in high gear, and sometimes not until a certain amount of time has gone by.
In the earlier years, they worked only as an on/off device, and only recirculated a tiny bit of EG
But as time went by, the manufacturers found out that with computer controls, they could introduce a lot of EGR under certain circumstances.
In our old Mopes the passages coked up in a few years and they stopped working all by themselves, lol. But if they didn't coke-up, they also didn't do much, and when working correctly, you couldn't tell they were working at all. Except maybe at the gas-pump.

It only runs the EGR valve. Thanks for all the info