Tech

  1. 5 Sound Deadening Myths

    Here at Heatshield Products, we’ve heard just about every sound-deadener myth (and lie) there is. The heavier the deadener, the better. Two layers are better than one. The check’s in the mail.


    So, it’s time for us to set the record straight on the five most common myths:


    Sound-deadening material has to be heavy and thick in order to work well. This simply isn’t true! Heatshield Products makes decreasing the unwanted sound and noise in your hot rod, classic car or off-road vehicle easier than you might think! We focus on the science of reducing unwanted sound and noise inside a vehicle, not simply applying the heaviest material possible to suppress vibration. For example, db Armor™ is 20 percent lighter than competing damping sheets, yet is three times more effective at decreasing sound and noise!


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  2. Big-Block Chevy: Doomed Dinosaur or Immortal Classic Engine?

    Until the LS engine came out in the fall of 1996, getting big power and displacement in a Chevrolet engine meant a big-block over a small-block. Small-blocks at the time were just starting to reliably pass the 400ci mark, but the cost of a big-inch small-block was high. If you were building a serious car, that meant a big-block under the hood. Then when the LS arrived, the sun began to set on the venerable big-block Chevy.


    Recently, we were on the phone with a customer who has a big-block Chevy-powered car with large-diameter headers. He was tired of the work involved with removing the starter at least once a year because the headers kept cooking it. A simple fix was one of the more popular thermal barriers from Heatshield Products, the Lava Starter Shield™, and it typically doesn’t require removal of the starter for installation.


    Lava Starter Shield wraps around th

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  3. Controlling Underhood Heat on a Jeep Wrangler 4.0 – Part I

    The Jeep 4.0L inline-six was the last true Jeep/AMC engine design before Chrysler bought everything and folded it into the Pentastar family. It was the final derivative of the old 4.2 inline-six and debuted in the 1987 model year. It’s last year in an American Jeep would be 2006, when the TJ Wrangler ended production. But you’re not here for a history lesson, so for the complete background on the 4.0L click HERE.

    What does this have to do with heat?

    The 4.0L is a massive hunk of cast iron American greatness. But all that cast iron means it’s a giant heat source under the hood, and once it gets hot it holds that heat for a while. And everything around it underhood soaks up all that heat, which can negatively affect performance, reliability, and component life. But with some application of Heatshield Products thermal barriers, the amo

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  4. Use Thermal Barriers to Prevent Vapor Lock

    Whether your vehicle has a carburetor or fuel injection, vapor lock can bring it to a standstill, causing hours of frustration. If you’re a racer, it can put the car on the trailer well before you’re ready to leave the track. But proper use of thermal barriers can prevent vapor lock, no matter how hot the day gets.

    Vapor lock happens when the temperature of the fuel heats up enough to transform it from liquid to vapor. And since fuel pumps are designed to pump liquid, not air, vapor lock effectively starves the engine of fuel. Without the proper volume or pressure of fuel, the car will run rough or completely stall. Vapor lock typically happens during summer months, when high outdoor temperatures are combined with high engine and exhaust heat. And high altitude also makes a vehicle more prone to vapor lock.

    The solution is to protect the fuel lines from getting hot in the first place.

    For carb-equipped vehicles, one of the easiest solutions is to use a

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  5. Installing Your Heatshield Products Like a Pro

    Things would be a lot easier if all those exhaust pipes and manifolds were straight when it came to installing exhaust wrap or other thermal barriers to cut down on the heat radiated by the exhaust system. But all those bends are there for a reason, so you just have to soldier through it and do the best you can.


    Knowing what everyone faces when it comes to wrapping their exhaust systems in thermal barrier materials, we’ve put together some helpful videos that demonstrate how to cut and shape your Heatshield Products materials to make installation over bends in exhaust pipes and manifolds easier, along with some tips on how to actually install the product to make things easier as well.


    Heatshield Armor


    Heatshield Armor™ is one of the most versatile thermal barrier materials on the market for cutting down on heat radiated from exha

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