Jeep Strokers

Any good way of doing this? Got a 2000 intake and there is crud inside. Tons of brake cleaner?

Simple green and scrubbing, Purple Power and scrubbing (careful, its a caustic). Sandblasting and a good scrubbing afterwards. Engine degreaser and scrubbing. Or take it to a machine shop to use a wash tank or an ultra sonic cleaner tank.

Carb or brake cleaner and a brush.

I threw mine in the parts washer at work and then steamed it out, looked NEW!

Zorm wrote:Any good way of doing this? Got a 2000 intake and there is crud inside.

An engine degreaser "enema" should loosen up the thick stuff and a stiff bottle brush will take care of the rest.
Carb or brake cleaner might also work but they're both volatile so the contact time will be short and you might need to use a large amount to get any result.

Old thread but a question about the Purple Power cleaner:

I just finished cleaning up a used ‘98 intake that was full of crud and let it soak in about a gallon and a half of full strength PP. it cleaned it alright, pretty awesome. But there was a foamy almost sludge on some of the aluminum surfaces. I washed it all off with lots of fresh water. The intake is no longer “shiny” aluminum but is instead a whitish grey.

Did I ruin the intake or just the finish?

Old thread but a question about the Purple Power cleaner:

I just finished cleaning up a used ‘98 intake that was full of crud and let it soak in about a gallon and a half of full strength PP. it cleaned it alright, pretty awesome. But there was a foamy almost sludge on some of the aluminum surfaces. I washed it all off with lots of fresh water. The intake is no longer “shiny” aluminum but is instead a whitish grey.

Did I ruin the intake or just the finish?

Unfortunately PP reacts with aluminum. The easiest way to get that off is with media blasting.

Cummins90 wrote: ↑July 29th, 2021, 2:56 pm Unfortunately PP reacts with aluminum. The easiest way to get that off is with media blasting.

So the stuff just reacted with the aluminum surface at this point, it shouldn’t have compromised the entire intake, correct?

I’m afraid I’m going to have to strongly disagree with some of the opinions on this thread.

Under no circumstances should you glass bead/sand blast your intake manifold internally.
Because it’s virtually impossible to have full access to the inside afterwards, any crud that still a left over from carb dipping, solvent scrubbing clean up will become a magnet to any abrasives. Any of that glass bead Or abrasives can and will destroy the internals of an engine.

My method is to soak the manifold first, Then run it through my commercial grade dishwasher, and finally off to a friend of mine that does fuel injector work and he puts it in his sonic cleaner for 16-20 min.

It’s important not to go one step forward and two steps backwards.

Rant over