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Plastic Engine Covers on Vs

BobT

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I guess this has been dealt with before many time but I would like to know if the those clip-on plastic covers over the rocker covers on Vs actually do something or are they there just for looks. I seems to me, if anything, they would reduce the cooling of the top of the engine - probably not a good thing in Australia.
 

Toa

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Yeah it's all just cosmetic and they do hold the heat in aswell, I've seen a dyno sheet of an LS1 before and after the engine covers were taken off and there was a 3kw power increase due to less heat soak with them off, hows that for a cheap engine mod.
 

BobT

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Toa said:
Yeah it's all just cosmetic and they do hold the heat in aswell, I've seen a dyno sheet of an LS1 before and after the engine covers were taken off and there was a 3kw power increase due to less heat soak with them off, hows that for a cheap engine mod.

Imagine throwing away 3kW of bragging power for what some marketing geek thinks looks good. A bit of chrome and black enamel would look way better.
 
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