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Forum: Gas Engines

08-19-2011, 01:12 PM

Replies: 10

Exhaust Gas Volume & Muffler Size - Gas Vs Glow

Views: 1,580

Posted By pe reivers

RE: Exhaust Gas Volume & Muffler Size - Gas Vs Glow

That is why the MVVS muffler is sometimes banned from competition, even though it is the standard muffler.
BTW
ST also had a decent sized muffler, equipped with trombone style manifold. This...

Forum: Gas Engines

08-19-2011, 01:05 PM

Replies: 10

Exhaust Gas Volume & Muffler Size - Gas Vs Glow

Views: 1,580

Posted By pe reivers

RE: Exhaust Gas Volume & Muffler Size - Gas Vs Glow

some do.

Forum: Gas Engines

08-19-2011, 12:25 PM

Replies: 10

Exhaust Gas Volume & Muffler Size - Gas Vs Glow

Views: 1,580

Posted By pe reivers

RE: Exhaust Gas Volume & Muffler Size - Gas Vs Glow

For a muffler to be effective, it must have at least 6 times the engine displacement as first chamber volume. I prefer 8 to 10 times the displacement.
It so seems that both mufflers tested were...

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