Will this work????

[bigred90gt]

I pulled this off of a website called allfordmustangs.com. Whereas my intake manifold is in desperate need of a good once over, and I don't have the time to take it off, I was wondering if this would work:
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7. The Throttle body and Intake can get pretty dirty after a while, the oil and gunk deposits in them can reduce your pony's performance. Also after lots of traffic driving your heads and valves might get covered with Carbon deposits that can cause PRE-IGNITION, which is as bad as detonation.

To clean it all there are a few things you can do, either remove the intake and heads to clean them OR the EASY WAY. use Carb Cleaner or BRAKE FLUID to clean them. If you use Carb cleaner just make sure it is O2 sensor-safe. Brake fluid is.

This procedure is for 5.0 engines only, 4.6 should not try this.

Now disconnect the hose that runs from the passenger side valve cover on the OIL FILL TUBE to the Throttle body hose. Disconnect at the valve cover side.

Start your engine and either SPRAY the carb cleaner into the hose or Immerse the hose in the brake fluid bottle. Do this 1 second at a time and rev the engine a bit if it starts to stall, repeat the procedure until you are half way on the cleaner or brake fluid.

You will see lots of smoke from the exhaust..this is normal and a sign that the cleaner is working.Take the car for a ride and repeat the procedure the next day.
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The part that concerns me the most is the reccommended use of brake fluid. Will this damage your engine? Also, can you use Marvel Mystery Oil and will it work better that carb cleaner? I know that if I can clean my intake manifold, I can get more flow, but I do not want to damage my engine. Any advice on this procedure or any other procedures you may know of will be a great help.
Thanks,
Caymon