05-26-2012, 07:47 AM
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#27 (permalink)
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A True Z Fanatic
Join Date: Jun 2010
Location: SWMO
Posts: 4,454
Drives: 2019 CX5 GT Reserve
Rep Power: 7629
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Quote:
Originally Posted by Red__Zed
Cat material is fairly regularly sucked into the engine when they go bad. You should try searching these things before posting about them.
I think you misunderstand the way the valves are timed. Overlap is very common.
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Indeed, especially with a high-revving NA motor. With boosted motors, overlap=power-loss and is kept to a minimum.
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