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914World.com _ 914World Garage _ Painting transaxle
Posted by: SKL1 Sep 8 2013, 06:02 PM
Want to refresh the transaxle. Have cleaned and cleaned the exterior but want to maybe paint it to make it look nearly new. Have seen various pix of trans painted with Eastwood paint but search wasn't helpful.
What have people used with decent results?
Posted by: t collins Sep 8 2013, 07:06 PM
I just went thru this a few days ago using Eastwood's Alumablast
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Posted by: euro911 Sep 8 2013, 10:09 PM
Rustoleum, gloss gray enamel. Easy to clean.
Black is supposed to help shed heat better 
Posted by: timothy_nd28 Sep 8 2013, 10:14 PM
Hi temp ceramic engine rattle can spray paint is good. After the paint tacks up, throw it in the oven at 200 degrees for one hour.
Posted by: PanelBilly Sep 8 2013, 10:23 PM
I painted mine gloss black with exterior polane paint (I maybe spelling it wrong). Its a Sherwin Williams 2 part paint. I think I should have gone with a silver
Posted by: John1180 Sep 8 2013, 10:48 PM
Krylon dull aluminum gives a great minimal finish that makes it easy to clean, for under five buck$!
Posted by: maf914 Sep 9 2013, 06:41 AM
Besides cleaning off the heavy duty oil/dirt deposits, what should you do to prep the case for paint? The aluminum appears to be sort of porous and I would hate to see the paint peeling off after putting in the effort to apply it.
Posted by: John1180 Sep 9 2013, 10:00 PM
Had mine media blasted.
Posted by: Cap'n Krusty Sep 9 2013, 10:01 PM
Besides cleaning off the heavy duty oil/dirt deposits, what should you do to prep the case for paint? The aluminum appears to be sort of porous and I would hate to see the paint peeling off after putting in the effort to apply it.
It's not aluminum, it's a magnesium alloy.
The Cap'n
Posted by: worn Sep 10 2013, 09:41 AM
Want to refresh the transaxle. Have cleaned and cleaned the exterior but want to maybe paint it to make it look nearly new. Have seen various pix of trans painted with Eastwood paint but search wasn't helpful.
What have people used with decent results?
I used DP-40 epoxy covered with clear coat. The epoxy is tenacious and the magnesium was clean all around.
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Posted by: r_towle Sep 10 2013, 08:07 PM
Gold? Really?
Posted by: 914forme Sep 10 2013, 08:18 PM
Worn,
Nice looking engine. I have had issues in the past using brass fittings. Almost lost and engine due to the extension to get a VDO multiple oil pressure sensor way from the block. I now us a design by Draft 42 Design, that uses a hose and then a multi tapped adapter. its 8mm and has both 8mm and 1/4" ports.
Just giving you a heads up, hopefully you'll have better success.
Posted by: Katmanken Sep 11 2013, 05:20 PM
Designed a bunch of magnesium parts in m past, and the guy from the magnesium institute recommended an acid "pickle" to keep the parts from corroding, The books that he sent also recommeded a zinc coating as being a sacrificial anode.
Zinc chromate paint is one choice but that material is on the "hazardous material" and hard to find. It's also a little "soft" so I used a thin layer of a Dupont 2 part self etching primer (516S- 615s?) that contained zinc and sets up very hard . Then a thin coat of wheel silver.
Posted by: rdauenhauer Sep 11 2013, 06:09 PM
The Cap'n
Really...?
not so sure, 
if it is, its a special "non-flammable" magnesium, since Ive had one go through as intense a fire as you can imagine and while the fan shroud DID burn up completely the trans while discolored was still intact and after cleaning & resealing it is operating in another car. 
Posted by: ThePaintedMan Sep 11 2013, 06:15 PM
Really...?
not so sure, if it is, its a special "non-flammable" magnesium, since Ive had one go through as intense a fire as you can imagine and while the fan shroud DID burn up completely the trans while discolored was still intact and after cleaning & resealing it is operating in another car. Hence the term "alloy".
Posted by: Katmanken Sep 11 2013, 08:23 PM
The Cap'n
Really...?
not so sure, if it is, its a special "non-flammable" magnesium, since Ive had one go through as intense a fire as you can imagine and while the fan shroud DID burn up completely the trans while discolored was still intact and after cleaning & resealing it is operating in another car. Really. Aluminum doesn't corrode (much) and magnesium does. Mag goes to an to ugly black color.
Posted by: rdauenhauer Sep 12 2013, 12:43 PM
Well wadd'a ya know....
Non-combustible magnesium alloys
Adding 2% of calcium (Ca) by mass to magnesium alloy AM60 results in the non-combustible magnesium alloy AMCa602. The higher oxidation reactivity of Ca causes a coat of calcium oxide to form before Mg ignites. The ignition temperature of the alloy is elevated by 200-300K. Oxygen-free atmosphere is not necessary for machining operations.
Posted by: Dr Evil Sep 12 2013, 01:36 PM
Dont media blast unless you have the whole thing apart and can clean it out very well. It will get into your bearings.
Yes it is mag, any paint that keeps it sealed is fine.
Posted by: euro911 Sep 12 2013, 02:14 PM
I suggest that you DO NOT blast with glass bead. If any gets inside and stuck into a small nook or cranny somewhere, it WILL eventually work itself loose and into your lubrication. Unless you're 200% sure that you got it all out (goes for the engine case, heads, etc., too), glass bead WILL destroy internals very quickly.
Posted by: worn Sep 12 2013, 08:36 PM
Worn,
Nice looking engine. I have had issues in the past using brass fittings. Almost lost and engine due to the extension to get a VDO multiple oil pressure sensor way from the block. I now us a design by Draft 42 Design, that uses a hose and then a multi tapped adapter. its 8mm and has both 8mm and 1/4" ports.
Just giving you a heads up, hopefully you'll have better success.
I have the hose, but haven't installed yet. Thanks for the warning. It will actually simplify things.
Yes it is magnesium - the case is like a feather alone. Zinc chromate paint can be found at aircraft supplies.
The Dr is right you know. Dirt and grease is better than nothing because magnesium has a horrible jones for oxygen. Goes dull within minutes after brushing clean.
Posted by: pete Sep 13 2013, 09:39 AM
I did mine with POR15. So durable. Adhesion was great but might be yellowing slightly? Its been a couple years.
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Posted by: r_towle Sep 13 2013, 04:51 PM
Is the Eastwood alumna last a paint specifically designed for this? Or is it just paint?
Posted by: t collins Sep 13 2013, 05:48 PM
Is the Eastwood alumna last a paint specifically designed for this? Or is it just paint?
Details
Spray-on a protective, durable, aluminum-look finish with AlumaBlast™ Paint AlumaBlast™ Paint is specially formulated to duplicate the original look of freshly cast aluminum car parts, such as intake manifolds and transmission housings. •Protects up to 300 degreesF
•Acrylic lacquer with low 4-15% gloss
•Aerosol can covers 6 sq. ft.
Posted by: bulitt Feb 10 2014, 02:40 PM
Just wanted to add this additional pic T Collins posted. Eastwood Aluma-blast. Very purty.
Posted by: Phoenix-MN Feb 11 2014, 08:26 AM
Hi-temp clear VHT engine paint on raw mag
Posted by: OU8AVW Feb 11 2014, 08:48 AM
Gibbs spray was recommended. Just a lubricant spray that shines the bare mag and brings out the marbling of the alloy.....Looks factory new
Posted by: Nozzle Feb 11 2014, 08:59 AM
Hi-temp clear VHT engine paint on raw mag
Very nice! How did you prep for the case prior to VHT application?
Posted by: Phoenix-MN Feb 11 2014, 10:04 AM
Hi-temp clear VHT engine paint on raw mag
Very nice! How did you prep for the case prior to VHT application?
Hot tanked and media blasted it when it was dis-assembled for rebuilding.
Posted by: ClayPerrine Feb 11 2014, 10:14 AM
Worn,
Nice looking engine. I have had issues in the past using brass fittings. Almost lost and engine due to the extension to get a VDO multiple oil pressure sensor way from the block. I now us a design by Draft 42 Design, that uses a hose and then a multi tapped adapter. its 8mm and has both 8mm and 1/4" ports.
Just giving you a heads up, hopefully you'll have better success.
I have the hose, but haven't installed yet. Thanks for the warning. It will actually simplify things.
I have had just the opposite experience. I had a hose running multiple senders blow out and spray oil all over the engine. Luckily it was in the garage at the time, so I was able to shut it off immediately.
I now have brass fittings, and I have never had any issue with them. I keep them as short as possible, and I support the senders with a bracket to minimize the vibration.
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