Re: {Chrysler 300} Re: Exhaust Manifold Finishing

["'dave mason' via Chrysler 300 Club International" <chrysler-300-club-international@xxxxxxxxxxxxxxxx>]

Hi Jim,

Another version of the graphite is a product called Calyx.  

The good:  if you don’t want to remove exhaust manifolds, this can be applied with a toothbrush and worked into the cast iron in situ.  Just wire brush loose rust rust off first. 

The not so good:  it does not weather seal the cast iron, such that it will start looking a little rusty and then you’ll have to touch it up. 

Bottom line, I’d use it on manifolds attached to the engine but if I had clean manifolds off the engine I’d use a more durable coating.  I have a small can of high temp POR-15 but have not used it yet…

V/r

D&K

Sent from my iPhone

On Jul 17, 2024, at 22:11, Jim Birr <jebirr@xxxxxxxxx> wrote:

Added some links if anybody is curious about the graphite lube finish:

https://www.youtube.com/watch?v=Qqh22Pafzag

https://www.classiccarrestorationclub.com/video/exhaust-manifold-coating-015559

On Wednesday, July 17, 2024 at 8:05:16 PM UTC-5 Jim Birr wrote:

Has anyone used Slip Graphite Lubricant as a finishing product on cast iron exhaust manifolds?

I've stumbled across several sites that have used a graphite lubricant as a finish (Slip Graphite or equivalent).  Very high temperature and durable according to them, easy to touch up and authentic cast iron look. 

Then of course others swear by POR-15 High temp or Eastwood or VHT.

What has everybody here used?

Jim

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