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04-02-2013, 07:18 PM #1
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Best way to clean an aluminum block???
L&G's
I need your input on the best way to clean off grime, grease, etc off of my engine block i want to paint the block (even tho i have heard it ain't such a good idea) but i have been told degreaser then pressure wash it and also put it in a tank with water and degreaser for 3 or 4 hours then rinse, but then again i am wondering if i should take it to a machine shop and have it hot dipped? All your response will be truly appreciated
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04-03-2013, 12:33 PM #2
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Black/ Silver- 98 TA WS6/ 01 C5 Corvette
Painting an aluminum block is a big no no. It interferes with the innate cooling properties of aluminum and will not allow it to shed heat properly. But to clean a block I would start with some general purpose degreaser then step up to diluted simple green 50/50 solution. You could also get it professionally cleaned at a machine shop by hot tanking it which is by far the best method IMHO.
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04-03-2013, 01:02 PM #3
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Navy Blue Metallic- 98 T/A w/ mods, 00 FBVert
^^^+1
In addition having it hot tank will mean new cam bearings
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04-03-2013, 02:06 PM #4
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I like the idea of hot tanking it because it also cleans the internals... Just not sure if its safe! But from the sound of it that should be ok
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04-03-2013, 02:46 PM #5
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Black/ Silver- 98 TA WS6/ 01 C5 Corvette
It's perfectly safe. That is how they clean the block prior to rebuilding it. In addition to what I said if you are bent on painting it I would run a bigger radiator (or a more efficient one) and a big oil cooler at the very least. But I would never recommend painting an aluminum block.
Last edited by 98TransAmWs-6; 04-03-2013 at 02:49 PM.
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04-03-2013, 08:27 PM #6
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Any clear coat so it stays nice and fresh?
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04-03-2013, 08:36 PM #7
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Black/ Silver- 98 TA WS6/ 01 C5 Corvette
You could but I am pretty sure any paint (clear coat or any paint) on the block itself will mess with the heat dissipation properties aluminum has. I would just clean it regularly after it is hot tanked. A degreaser such as a 50/50 solution of simple green should keep it nice and shiny after being hot tanked. Even with paint it will get greasy.
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04-04-2013, 03:46 AM #8
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- Dec 2012
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Ya i could do that and really u wont get to see the block too much after everything is installed i will just powder coat like valve covers and brackets to dress them up a lil
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04-04-2013, 07:51 AM #9
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04-04-2013, 08:05 AM #10
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2000 Grand Prix GTP- 2000 Trans Am WS6 M6
Power washer...just make sure everything (crank, rings, etc.) is dry and well oiled before putting it back together.
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04-04-2013, 03:48 PM #11
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Silver & Blue- 02 Camaro SS, 04 GTO
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My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k
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04-04-2013, 05:34 PM #12
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Ok made up my mind i was originally going to take it apart and degrease it and pressure wash it but leaning more towards hot tank... Might start taking it apart this weekend i already received the arp torque lube and royal purple maxx tuff assembly lube on the way cant wait to start building it!
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04-27-2013, 09:41 AM #13
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Ok its that time have the block soaking in gunk and when im ready to pressure clean it within an hour or two i will spray it with simple green industrial grade degreaser and lets see how she comes out!
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04-28-2013, 11:41 AM #14
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Phantom Black Metallic- 2004 GTO M6
When I used to clean boat motor blocks/parts, I hot tanked them and upon removal, sprayed with Simple Green then hosed off everything.
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04-28-2013, 03:57 PM #15
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Cool good to know! I pretty much just pressure washed with gunk and degreaser and it came out pretty clean but i ended up painting it i know its a big no no but i wasn't happy.. pre paint
post paint
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