CRC GDI Intake Valve Cleaner

jasong_10

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Found this on the shelf at work today.

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CRC products are usually pretty good stuff, any thoughts, experience?
 

yaycandy

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Best stuff to use. I used it with the intake manifold off once and it worked better than any other cleaner i tried. Pea cuts the carbon right off. Cleans the turbos and exhaust manifolds also
 

jasong_10

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In regards to using it, obviously I would prefer not to take off the intake, and it gives two methods on the can. The "professional" one is to remove a vacuum line that leads to the intake, and use that as the entry point. The "diy" method is to remove the intake tube and spray through the TB. Honestly, it seems like they've got the "professional" and "diy" backwards as the vacuum line sounds like the much simpler/easier method.

So how did everyone do it?

Thanks.
 

withku

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In regards to using it, obviously I would prefer not to take off the intake, and it gives two methods on the can. The "professional" one is to remove a vacuum line that leads to the intake, and use that as the entry point. The "diy" method is to remove the intake tube and spray through the TB. Honestly, it seems like they've got the "professional" and "diy" backwards as the vacuum line sounds like the much simpler/easier method.

So how did everyone do it?

Thanks.
i sprayed it through my vacuum line, didn’t clean anything though. granted my valves were pretty bad
 

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