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desertjoe 
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Joined: 23 Sep 2013
Location: New mexico
Points: 13729
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 Topic: Paint remover,,,??
Posted: 25 Jul 2020 at 5:15am |
A couple of weeks ago,, I cobbed onto an Edelbrock aluminum intake manifold for Big Brutus and have finally got around to puttin more assembly time on the new engine for Black Beauty. I had not noticed but the PO had painted the friggin manifold a grey color and musta put several coats of paint on a perfectly good aluminum manifold,,,!!! I got most of it off with my batter powered drill and a wire brush but cannot get into the nooks and crannies,,,,I tried some paint remover but did not even touch the paint,,!! Tried some more and left it on there for an hour but still no dice,,,paint never even got soft.
Anybody got any ideas,,?? OH,,,and NO TANNERITE,,Shameless,,,,!!! 
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jaybmiller
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Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 24775
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Posted: 25 Jul 2020 at 5:28am |
seems to me brake fluid attacks paint.....at least on my 67 stang it did..... one of the good paint strippers used in woodworking,the pasty types... be super careful rinsing it of course..caustic chemicals and eyeballs is a bad combo... big issue is WHAT type of paint and how old ? you do need something 'aluminum friendly'.... maybe google 'removing paint from aluminum' ? In the good old days I used CIL high speed automotive paint stripper, Used 2 gallons, yes real Cdn gallons to totally strip off 7 layers of paint off the 57 Willys pickup. top 2 caots were house paint.... sigh... wish I had that truck now...sniff,sniff...
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Sugarmaker
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Joined: 12 Jul 2013
Location: Albion PA
Points: 8570
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Posted: 25 Jul 2020 at 5:44am |
Joe, Aircraft paint stripper is pretty good. NAPA should have it. Regards, Chris
Edited by Sugarmaker - 25 Jul 2020 at 5:12pm
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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plummerscarin
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Joined: 22 Jun 2015
Location: ia
Points: 3979
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Posted: 25 Jul 2020 at 6:42am |
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Be careful with chemical reactions to aluminum. Since you sanded most of it off already you might try small sanding rolls for die grinders like those used for porting and polishing. While your at it you could port match the intake to the heads.
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 34340
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Posted: 25 Jul 2020 at 8:31am |
Might should rethink the removal of the 'Sealant', later manifolds are already painted to seal the porous aluminum to stop the very metal from seeping vacuum. We started seeing this issue with Throttle bodies on TBI cars mid 90s that got aggressively cleaned and removed the porosity sealants on them, got to checking back with our engine aftermarket suppliers where many 'Anodized' the parts to keep thru wall leaks under control, it is also noted that aluminum carburetors that had been overly aggressively tanked do that same thing as the vacuum leaks over ride the idle adjustment capabilities. They are currently Vacuum Impregnating aluminum castings at the factories where some are just applying sealing materials to the outsides.
Point of note on older cars and trucks with slow leak tires that seemingly cannot be located to repair yet requiring often refills, the rims were sealed at the factory, time, tire changes scuffing, abrasion, corrosion all affect that sealant coating and the darned wheels are the actual leak path.
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shameless dude
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Joined: 10 Apr 2017
Location: east NE
Points: 13607
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Posted: 25 Jul 2020 at 7:37pm |
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nay-palm
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shameless dude
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Joined: 10 Apr 2017
Location: east NE
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Posted: 25 Jul 2020 at 7:39pm |
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as Jay says...brake fluid should do it...if not...spray sum aluminum paint over it, or sand blast them!
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Thad in AR.
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Joined: 12 Sep 2009
Location: Arkansas
Points: 9668
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Posted: 25 Jul 2020 at 8:16pm |
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Brake clean /carb cleaner
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Bill_MN
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Joined: 12 Sep 2009
Location: Sioux Falls, SD
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Posted: 25 Jul 2020 at 9:20pm |
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Bead blast NOT sand blast, it's probably ceramic engine paint i.e. baked on tough as nails. When you get it cleaned down to the bare metal spray it with hi temp engine clear to seal the pores.
Edited by Bill_MN - 25 Jul 2020 at 9:21pm
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1951 WD #78283, 1918 Case 28x50 Thresher #76738, Case Centennial B 2x16 Plow
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weiner
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Posted: 26 Jul 2020 at 8:30pm |
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DMiller, yes my wife experienced that very thing on aluminum wheels on a 2010 Toyota. After fighting it for 3-4 years we went to steel wheels. Not as purdy, but no more hassel.
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Real heros wear dogtags, not capes.
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Ted J
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Joined: 05 Jul 2010
Location: La Crosse, WI
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Posted: 27 Jul 2020 at 8:08pm |
 weiner wrote:
DMiller, yes my wife experienced that very thing on aluminum wheels on a 2010 Toyota. After fighting it for 3-4 years we went to steel wheels. Not as purdy, but no more hassel. |
Sam Ting.......2007 Buick Lucerne. ALL Buicks in those years had real problems and never a recall. I won't EVER buy another Buick,,,,,,,,and not just for that reason.
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"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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