Author Topic: How to clean engine for paint  (Read 20117 times)

Offline Bitzer!

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Re: How to clean engine for paint
« Reply #15 on: October 25, 2011, 04:33:18 pm »
I want it to stand out a bit. Thought black/orange would be too bland?
1979 GMC CrewCab  C20 1t
454 750 Holley,TH350, 14bolt diff fully floating
Why aren't there 8 days in a week!
A K5 rolling shell *new addition*

Offline 1979C20

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Re: How to clean engine for paint
« Reply #16 on: October 25, 2011, 06:32:47 pm »
My engine block, heads, intake, water pump are Chevy Orange, and my valve covers, oil.pan, and bracketry is black. I like it a lot, and I havent seen many engines like it.
1979 SCLB C20 Q-jet 350 SM465 14b F.F. 4.10 G80
1989 GMC Suburban V2500 TBI350 TH400 4in lift 35's 14b SF

Offline 1979C20

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Re: How to clean engine for paint
« Reply #17 on: October 25, 2011, 06:35:57 pm »
heres a picture of it in the truvk
1979 SCLB C20 Q-jet 350 SM465 14b F.F. 4.10 G80
1989 GMC Suburban V2500 TBI350 TH400 4in lift 35's 14b SF

Offline Blazin

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Re: How to clean engine for paint
« Reply #18 on: October 25, 2011, 09:42:48 pm »
Yeah I have never seen a Cat yellow Chevy motor either! Was thinking I might do my next one Cummins biege!  :D
Some people are like Slinkies. Not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs

Offline Bitzer!

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Re: How to clean engine for paint
« Reply #19 on: October 30, 2011, 04:15:32 pm »
Yeah I have never seen a Cat yellow Chevy motor either! Was thinking I might do my next one Cummins biege!  :D

Cummins Beige - like old mens trousers (pants)
1979 GMC CrewCab  C20 1t
454 750 Holley,TH350, 14bolt diff fully floating
Why aren't there 8 days in a week!
A K5 rolling shell *new addition*

Offline Blazin

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Re: How to clean engine for paint
« Reply #20 on: October 30, 2011, 09:38:24 pm »
Cummins motors in heavy trucks have come in several colors over the years, biege, red, gray, have even seen a few white ones. I just like the military no nonsense look of the biege color they used.
Some people are like Slinkies. Not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs

Offline Bitzer!

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Re: How to clean engine for paint
« Reply #21 on: November 27, 2011, 03:07:07 pm »

Just to revive this as I'm nearly finished cleaning!

Etch primer - normal etch for bare metal or is there a different type for heat i.e engine?

Silver and black paint at the ready!!

cheers all
1979 GMC CrewCab  C20 1t
454 750 Holley,TH350, 14bolt diff fully floating
Why aren't there 8 days in a week!
A K5 rolling shell *new addition*

Offline zieg85

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Re: How to clean engine for paint
« Reply #22 on: November 27, 2011, 03:27:03 pm »

Just to revive this as I'm nearly finished cleaning!

Etch primer - normal etch for bare metal or is there a different type for heat i.e engine?

Silver and black paint at the ready!!

cheers all

In the industrial applications normal etch primer is "usually" for an air dry/force dry top coats up to about 200 degrees.  When tried under a baking enamel the etch primer breaks down and some/all adhesion to the metal is gone.  I know you are talking about an air dry type paint but the temperatures of the engine is like a baking type paint.  I would check the temperature limits to the etch primer.  I would think a good clean surface is adequate for any high heat engine type paint...  I would hate to see you go through all that work using an etching primer that flakes off after the engine reaches operating temps...
Carl 
1985 C20 Scottsdale 7.4L 4 speed 3.21
1986 C10 under construction
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Offline Bitzer!

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Re: How to clean engine for paint
« Reply #23 on: November 27, 2011, 03:35:12 pm »

I went for the POR-15 engine enamel, best I check out the label!

cheers dude
1979 GMC CrewCab  C20 1t
454 750 Holley,TH350, 14bolt diff fully floating
Why aren't there 8 days in a week!
A K5 rolling shell *new addition*

Offline Blazin

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Re: How to clean engine for paint
« Reply #24 on: November 28, 2011, 04:35:31 pm »
I have used Transtars spray bomb self etch primer on several motors for the bare metal, and had no problems with breakdown. Chassis saver on the rusty ares, and then top coated with engine enamel. No problems what so ever. Matter of fact when i had my truck on the lift over the weekend I used a rag sprayed with brake clean to clean up my oil pan as it was covered in road grime, and a little ATF from the plow pump.
Some people are like Slinkies. Not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs