Now deceased HP perfectionist and all around automotive performance guru, Bill Jenkins (Grumpy's Toy) dealt with this a lot when trying to tweak every once of HP out of every engine. He went so far as to paint the lite weight polished aluminum or chromed steel valve covers from the likes of Holley, Edelbrock, Moroso and the rest of them black because it dissipated heat faster than the polished or chromed jobs. In his ideal world, leave the stock factory painted valve covers on, get them far enough up from the head to be able to fix a girdle to the rocker arm studs to keep them as still as possible, and if need be because you're not good at welding, drill holes through them over each rocker arm and put a screw through them for the oil to fix to and drip down into the rocker arms as lubrication.
So when it comes to performance, is painted better than non-painted? Arguments can be made on both sides, to include protecting the metal from rust or oxidization.
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Today's Featured Article - Show Coverage: Central Illinois Strawberry Festival - by Cindy Ladage and Janna Seiz. Every year the coming of summer is highlighted by different events for different people. For some, it is heralded with the end of school, tilling the garden, or completion of the planting season. To us, connoisseurs of find food, antique tractors, farm toys, crafts, and downright fun, the annual Strawberry Festival means summer is here. Every year, in Carlinville, Illinois, the Macoupin County Historical Society and the Macoupin Agricultural Antique Association team up to fill th
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