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Old 05-04-2013, 07:54 PM   #31
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Tyler,
I forgot to mention....
I used "PPC Crud Remover" on the inside of my hood and then engine bay until I ran out (then switched to Pine Sol). It's strong but had no negative effects on paint, plastic or rubber. I'm going to get another bottle. I think I picked it up at my local CarQuest.
Here's a link: Crud Remover

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Old 05-04-2013, 08:25 PM   #32
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I wonder if krud cutter would work?

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Old 05-04-2013, 09:00 PM   #33
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Originally Posted by 98 tj sport View Post
Really? Anyone else here had issues with the original formula, cuz that's what I bought, I haven't used it yet, but idk were to get the aircraft formula
It can be corrosive if you let it sit on aluminum and don't hose it off for awhile. The 4.0 has an iron block and head so it's not a big deal but I still hose it off after a few minutes.

I clean with full strength simple green and a dish washing brush meant for cups...it works good for tight spaces.
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Old 05-04-2013, 09:40 PM   #34
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Originally Posted by SeVeReDiStOrTiOn View Post

It can be corrosive if you let it sit on aluminum and don't hose it off for awhile. The 4.0 has an iron block and head so it's not a big deal but I still hose it off after a few minutes.

I clean with full strength simple green and a dish washing brush meant for cups...it works good for tight spaces.
How do you know if your simply green is full strength?
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Old 05-04-2013, 11:58 PM   #35
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The bottle I bought years ago says concentrate on the front and there's dilute instructions on the back. I think they only sell it in concentrated form anyway but if they do sell it diluted you'd be getting ripped off unless it's a lot cheaper.
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Old 05-05-2013, 12:05 AM   #36
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Originally Posted by Jim Morrison View Post
I would NOT USE gunk. Harsh. Use Formula 409 instead. Works great and is mild. Use on a barely mildly warm engine that is off.

Otherwise, look for a simple degreaser that is VOC compliant-good for the environment.

Lightly wet the engine, spray degreaser, close the hood and let sit for about 10 minutes. Reapply degreaser. Let sit for 5 minutes. Wash down.

To make the engine look really new, spray a water based dressing on the engine, close the hood and let it sit for another 15 minutes. After that, wipe up excess. It'll look purty.

These are the two products I use:

Select Exterior Interior Cleaner / Degreaser | Car Brite

Select All Purpose Dressing | Car Brite
Gunk harsh.reLly how do you know?
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Old 05-05-2013, 12:29 AM   #37
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How do you know if your simply green is full strength?
Usually, it will be full strength if you don't dilute it. If you did dilute it, presumably you would know that. It's that simple.
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Old 05-05-2013, 09:49 AM   #38
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when i worked in a shop, we used Gunk all the time. when we had a car that we had to add UV dye to find an oil leak, we used gunk to clean everything off & it worked great. but those were cars/trucks that had fluids all over it like oil. not sure how well it will do against mud. i bought a can & i'm going to try it on my TJ. just haven't gotten around to it yet.
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Old 05-05-2013, 10:15 AM   #39
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when i worked in a shop, we used Gunk all the time. when we had a car that we had to add UV dye to find an oil leak, we used gunk to clean everything off & it worked great. but those were cars/trucks that had fluids all over it like oil. not sure how well it will do against mud. i bought a can & i'm going to try it on my TJ. just haven't gotten around to it yet.
My problem isn't mud, its lack of cleaning from the PO

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