engine block painting....

[george graves]

I've never painted a engine block before - how the heck to I get rid of rust and paint the sucker?

I'd love to be left with a thick looking coat of glossy paint- almost like a thick power coat - looking finish....

Any advice?

[aaron_silva]

Wipe it down with a rag to get the loose stuff off and paint it. It should turn out.

Aaron

[george graves]

look at the block - that rust has etched it's way into the block...wipe it with a rag?

Dam - I was thinking of getting a brass or steel brush and scrubb it - or a circular brush mounted in a rotary air tool...

a rag? are you high?

[aaron_silva]

I dont think you will ever be able to get a "smooth" finish. Just make sure all of the loose stuff is off and then shoot it.

Aaron

[KenC]

Get some wire brushes and remove as much as you can. Then get some Naval Jelly Rust Dissolver (Thick pink liquid you can get from Home Depot for $5 or so). Apply it generouly to the block and let the phosphoric acid dissolve the rust. Then spray it all off.

[george graves]

Naval Jelly Rust Dissolver

cool...

[Jordan]

Nod on the navel jelly. I used it to remove a few spots I had on my car so they could not come back. A wire brush will help.

[rs4pro3]

I plan on starting to paint my block tommorow, I painted an m20 before and just got all the grime off then lightly sanded it to remove most of the rust and painted it.
I just got my lower gasket set in the mail and my Oil pump, and some other parts are supposed to be here soon.
I Plan on painting the block with some high temp black paint I used on a set of I exhuast manifolds that looked awsome when finished.

[bmw335ist]

I used a high temp gloss black but before I did that I used a high strength degreaser and a light acid it removed every thing with out hardly any scrubbing.

[ChocolateKrackers]

You can hide pox well with a black paint but if you want to do something else a little wet sand and soap then blow it dry with a compresser then straight to paint.

[rs4pro3]

I just got done cleaning my block. It turned out great. I stoped by Walmart and got a couple cans of Engine Degressor, Sprayed it on and went to work scrubbing with a steel wire brush. After 3-4 treatments and rinses the block is clean to the touch. All the loose rest is gone, along with the grime, and some of the origanl paint on the block. Once I get the Crank nut off, and the timing cover off I'll clean it one more time and then paint it.

[george graves]

Tried navel jelly on a flywheel last night - let it sit for 5 mins - hosed it off - didn't really do anything...how long did you guys let it sit?

[KenC]

Tried navel jelly on a flywheel last night - let it sit for 5 mins - hosed it off - didn't really do anything...how long did you guys let it sit?

At least 4 times that long. And you'll probably have to do it 2-3 times to get it all off depending on how much rust there is. Use a wire brush to get most of it off first.

[rs4pro3]

Ok here are some pics of my cleaning.


Dry


I see now how the older and newer M30 mounts differ.

[LikeCDoos]

maybe invest in a sandblaster ($12 at homedepot)...well that is if you already have a compressor handy