Actually, some of us DO like the rusty/unfinished appearance of cast exhaust manifolds. Personally, I think it looks weird to paint them, or ceramic coat them, or whatever. Like the way people use products to clean and "shine" their tires. Sorry, but tires don't come all coated and shiny. Never did. Probably never will. They properly ought to look like, well, rubber. Clean your tires - yes. Coat them with some shiny black stuff - no.
Anyway, there is a large and growing movement in classic car circles these days to leave things looking as natural as possible. Unrestored originals are bringing top dollar at Barrett-Jackson.
The word patina is massively in vogue. Example: the whole rat-rod phenomenon. Even my teenage son, who is totally into working on my old Mopars, recoils at the notion of detailing an engine compartment to look like new. He'd rather the mechanicals be in top condition, and that the car present like an unmolested survivor of a bygone era.
D
----- Original Message -----
Sent: Tuesday, June 12, 2012 3:23 PM
Subject: Re: [FWDLK] Engine Paint Codes?
You're going to get a multitude of answers from people that have had success with different flavors of paints ranging from Dupli-Color rattle cans to Bill Hirsch Automotive Engine Enamels to the original (but now obsolete so buy some when you can...) silver paint from your friendly neighborhood Chrysler dealership.
For the silver aluminum that is on mopar engines from about 1934 to the late 50's, we use PPG Concept single stage enamel DCC 8568. It's a single stage urethane enamel with excellent durablity , etc.
Conventional wisdom on the exhaust manifolds is that they were already bolted to the engine when the engine was painted, and the overspray that went on the raw cast iron was quickly burnt off.
Since we don't like rusty looking cast iron manifolds these days, we use Eastwood's #10364Z stainless steel manifold coating and ignore getting the overspray on the manifold since it would burn off before you could drive to your first show anyway.
Tim
Stellar Antique Auto Restorations
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