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Brushable VHT engine paint question?

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McCabe-Thiele (Ted):
I thought black dissipates heat better than silver, hence why car radiators were painted black if they are of steel construction.

In the past I've sprayed silver aerosol paint into a cap then used a brush for missed areas. Interestingly some feedback on block paints mention it being thin. Manufacturers say thick layers results in paint surface cracks.

Skoti:

--- Quote from: McCabe-Thiele (Ted) on May 10, 2026, 10:58:07 AM ---I'm looking for a suitable black paint for the block & cylinder head on my 400NA Superdream.
I know you can spray aerosol paint into a lid then use a brush, ideally I want to use paint from a tin for a decent covering.
I might spray a final top coat using a rattle can if needed.

Some  paints marketed as engine paint are fine for water cooled engines, air cooled engines run hotter so I need some pointers please.

Any advice/links as to a suitable product/supplier is welcome.
Anyone used this?


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www.ebay.co.uk/itm/114730440532?var=0&_ul=GB&mkevt=1&mkcid=1&mkrid=710-53481-19255-0&campid=5338575267&toolid=100034&customid=364973559386175217&loc_interest_ms=&loc_physical_ms=9192115&adtype=pla&gclid=Cj0KCQjw2YDQBhD_ARIsAE1qeSd8bgwbJ5bnMK8F0tx_CH7ULtdxJNINNNi6OKvFm9v8ovScpRIgEmQaAvM1EALw_wcB&gbraid=0AAAAAo7SxrZKeF6ClRB6okZ9jlocuhKtN

--- End quote ---

Have used that Granville stuff recently that you linked to above, it brushes on well and seals up fine.

It's similar to cylinder black we used back in the 70s.

https://granvilleoil.com/prodInfo?pID=252 

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