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Brake Assist Lines

Old Dec 20, 2025 | 03:13 PM
  #11  
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Took a video but couldn't upload it. I feel like that Racetronix fuel controller is on the normal mounts where the vacuum pump goes, and my assumption is a line is already going to my booster (the big one that goes into the white 90?), and i just need to run that line into this pump and then another one from the back into the booster?

The thing is i don't "feel" like my breaks are bad, but when i unplug this i get a CEL light. I eventually want to do a big brake upgrade so this all might be a moot point?
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Old Dec 20, 2025 | 04:29 PM
  #12  
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If the brakes work fine without it, leave it out, and have your tuner tune out the CEL for it.

Woulda helped if you told us about all that other stuff going on, up front. Clearly, any "factory" setup CANNOT POSSIBLY work, since there's PRESSURE, instead of VACUUM, in your intake manifold, most of the time. Can't even tell in that photo, where the vacuum to the booster is coming from, as it now sits.

I can't really see any "white 90" in there anywhere. Are you by any chance referring to the check valve at the booster?

It would also seem logical that you could take that vac line, run it to the pump like the FSM drawing up there, and then possibly figure out a way to hook the back of the pump up to the booster, where it's supposed to just jam into that hole. Just a guess. Maybe even use the existing check valve in line with it, if for no other reason than to give something that plugs into the booster on one side and takes a piece of hose on the other, even if the "booster booster" includes its own check valve.
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Old Dec 20, 2025 | 06:57 PM
  #13  
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You're right, honestly didnt figure the motor set up would make any difference in the brake system.

Yes by 90 i mean that white check of the line that goes into the booster.


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