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RT/10 and GTS Discussions (1992-2002) For technical and general questions and discussions related to the GEN I/II RT/10, GTS, and ACR Vipers (1992-2002).
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Old 12-30-2005, 12:24 PM   #1
Jim Wilson

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Default Best way to clean inside of intake manifold?

I just had my intake manifold and valve covers powder coated and noticed that the inside of the manifold has a bunch of powder/blasting media coating it. Any tips on making sure to get all that crud out of the runners? Also, I'm sure the fuel rails have crud in them as well but I can't get the plugs on the back of the manifold off (tried an impact and also a breaker bar).

Would a pressure washer be a good start, then follow up with carb cleaner?

Thanks!
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Old 12-30-2005, 12:47 PM   #2
Jeff Torrey

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Default Re: Best way to clean inside of intake manifold?

When I had mine done they taped all the openings off, so nothing got inside. Be carefull, I'd call Chuck Tator 914-763-3136 and ask him. But he'll tell you the story of the guy that did the same thing to his valve covers and destroyed his engine.
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Old 12-30-2005, 01:12 PM   #3
VIPER BAZ UK

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Default Re: Best way to clean inside of intake manifold?

I spent 2 or three hours making blanking plates to cover up all holes to stop and shot or powder coat getting in.....
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Old 12-30-2005, 01:45 PM   #4
Anthony - 98 GTS

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Default Re: Best way to clean inside of intake manifold?


No real need to clean the inside of the manifold.

Sincerely,

APEX
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Old 12-30-2005, 08:13 PM   #5
RED 93RT

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Default Re: Best way to clean inside of intake manifold?

Be very careful on this one. I had my intake extrude honed and bead blasted, then powdercoated. I cleaned the intake but failed to get some of the particles out. Cost me an engine, wrecked the rings, pistons and crankshaft bearings.
CAll Dan Cragin, he rebuilt the engine and properly cleaned the intake.
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Old 12-31-2005, 09:58 AM   #6
Fishtail

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Default Re: Best way to clean inside of intake manifold?

Quote:

No real need to clean the inside of the manifold.

Sincerely,

APEX
LOL..that was brutal
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Old 12-31-2005, 11:31 AM   #7
Mark Red GTS Cooper

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Default Re: Best way to clean inside of intake manifold?

Man,, that was a old thread you threw the jab at!

New fuel additive,, 1 part Sand, 1 part metal shavings, 2 parts cinder block scrappings, this will not only clean your rings, but it will put pretty groves on the crank, cam, and cylinder wall.

mark
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Old 12-31-2005, 11:36 AM   #8
RedEnuf93

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Default Re: Best way to clean inside of intake manifold?

Quote:
Be very careful on this one. I had my intake extrude honed and bead blasted, then powdercoated. I cleaned the intake but failed to get some of the particles out. Cost me an engine, wrecked the rings, pistons and crankshaft bearings.

And now I have your old intake and it looks great!!
No problems, but when I got my valvecovers powdercoated, there was 1/4 pound of crap under the baffles. Would I have not cleaned EVERYTHING, I would be doing a motor renovation too...
Thanks RED 93RT!


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Old 12-31-2005, 12:06 PM   #9
acrdakota

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Default Re: Best way to clean inside of intake manifold?

Buy yourself some engine cleaning brushes and go to work on it. Just flushing it with liquid won't cut it here. Mix up some soapy water and scrub that thing down inside and out.
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Old 12-31-2005, 12:33 PM   #10
steve911

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Default Re: Best way to clean inside of intake manifold?

After you have taken the advise of those above, put the items in the dishwasher if they'll fit and let it run. The dishwasher soap will clean aluminum very well. I used that to clean Porsche block halves and corvair parts.
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Old 12-31-2005, 12:57 PM   #11
Anaconda

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Default Re: Best way to clean inside of intake manifold?

Also soaking in diesel fuel will clean it.
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Old 01-01-2006, 09:40 AM   #12
Jim Wilson

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Default Re: Best way to clean inside of intake manifold?

Thanks for your help guys. I bought some brushes yesterday so it's time to get scrubbin'.
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Old 01-01-2006, 10:26 AM   #13
Mark Red GTS Cooper

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Default Re: Best way to clean inside of intake manifold?

Does someone have pics of the A_ex motor after the incident,,

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