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Hi guys,
have gone up to a 3" exhaust for my 351c
have noticed more black smoke lately...am i using more fuel cause my engine is breathing better?
should i jet my 650 Holley down to compensate?
All advise appreciated!
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Rank: Guest
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A bigger exhaust will make the engine run rich. So yes jet down. Usually no more than 2 sizes.
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Rank: Guest
Groups: Guests
Joined: 2/09/2015(UTC)
Posts: 43,977
Was thanked: 5 time(s) in 5 post(s)
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