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merc style or headers for 850 hp engine?

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Old 02-26-2004, 06:35 PM
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Default merc style or headers for 850 hp engine?

looking for new exhaust system.
there are some companies offering aluminum merc-style exhaust manifolds and there are headers style stuff.
aluminums are 1/3 price of the headers stuff

which one would you use?
bb-520 cu-blown
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Old 02-28-2004, 05:13 PM
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ttt
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Old 02-29-2004, 03:48 AM
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For that much HP, you'll need headers. I'd call CMI and see what they recommend.
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Old 02-29-2004, 07:49 AM
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I have some like new Eickerts only 4 hours fresh water lake use!!!
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Old 03-02-2004, 08:33 PM
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With a blown application exhaust in not as critical as a naturally aspirated engine. I have seen people run gil offshore or Stainless Marine. The aluminum aftermarket systems tend to hold up better and absorb vibration better. I would ask around some more before you go and spend so much money on headders.

I wonder if some others have seen this as well?
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