LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Is it safe to hot tank my intake and timing cover?

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Old 02-22-2011, 09:25 AM
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Default Is it safe to hot tank my intake and timing cover?

Hey guys,

I've been putting timing cover and intake gaskets in my car and since I have OCD about clean parts on my car, I wanted to clean my intake and timing cover before I put it back on. I have a big parts washer but I know I won't be able to get the intake as clean as it was when new by just scrubbing it.

My question is, is it safe to have these aluminum parts hot tanked by my local machine shop? I was told that they can't do aluminum parts, but I figured you guys would have better info.

Thanks
Aaron
Old 02-22-2011, 09:59 AM
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No, most hot tank solutions will trash alum. You can have it soda blasted though.
Old 02-22-2011, 10:34 AM
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The parts solution in my washer won't hurt anything will it? I've done the intake on my 6.5 Diesel in it before and it didn't seem to hurt anything.
Old 02-22-2011, 10:37 AM
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If you want aluminum parts really clean, bring them to a good transmission shop. They have the equipment nessicary to get aluminum really clean without messing it up.
Old 02-22-2011, 10:38 AM
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I wouldn't think the solution from a parts washer would damage aluminum.
Old 02-22-2011, 10:49 AM
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Thanks for the advice guys.
Old 02-22-2011, 11:11 AM
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Try to keep the aluminum oxide out of your parts washers and you will be fine. I've used a regular parts washer for my stock intake a few times. As far as a hot tank goes, I don't have one so I wouldn't know.
Old 02-22-2011, 10:11 PM
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powdercoat and it will never get dirty again
Old 02-22-2011, 10:17 PM
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Originally Posted by tricked94camaro
powdercoat and it will never get dirty again
Thats what I really wanna do!
Old 02-22-2011, 10:20 PM
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my buddy does it out of his garage. got it done for free. eastwood.com has some cheap equipment if you want to do it yourself.
Old 02-22-2011, 10:34 PM
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Cool! thanks for the info!
Old 02-22-2011, 10:41 PM
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no prob
Old 02-23-2011, 05:29 PM
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Originally Posted by 05HD
If you want aluminum parts really clean, bring them to a good transmission shop. They have the equipment nessicary to get aluminum really clean without messing it up.
This is good advice if you have a local transmission shop.

But seriously, contact cleaner, degreaser, ultrasonic tank, or a bead blaster with walnut shells will clean any surface to a great finish.

If you really feel like tanking it though you have to make sure what is in the tank. There is cleaning agents out there, especially those that are use in a hot tank for iron blocks that will eat aluminum. There are products out there that will eat away bronze and aluminum, sure it is rare, but you don't know for sure what those people are putting in their cleaning tanks.

I have used this product from unitor before and it attacked aluminum.
http://www.wilhelmsen.com/services/m...es/571604.aspx
Old 02-23-2011, 06:00 PM
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i ran mine threw one about 3 times to get all the **** out
Old 02-23-2011, 08:00 PM
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What exactly is the little tray on the bottom of the LT1 intake? Can I take that off when I clean it?
Old 02-23-2011, 08:49 PM
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You can take the little pan off the bottom of your intake when you clean it. It's pretty much a oil splash gaurd.
Old 02-23-2011, 09:34 PM
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Originally Posted by 93M6Formula
What exactly is the little tray on the bottom of the LT1 intake? Can I take that off when I clean it?
There shouldn't be anything inside there.
Old 02-23-2011, 09:42 PM
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Okay I just took it off and I see it's basically just a cover. For some stupid reason I was afraid to take it off
It's kinda gunked up in there and I have OCD about clean parts so I took it off
Old 02-23-2011, 10:16 PM
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Just another option - This works pretty good:

Easy-Off oven cleaner... Spray it on, and let it set for a while. Use a brush to work it into the gunky areas. It will take few applications, hosed down, or power-washed in between, and that's how mine looked when I was done. You can see it's just as clean on the inside.
Old 02-23-2011, 11:11 PM
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If you use oven cleaner make sure to do it OUTSIDE and remove all rubber parts.


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