Rank: Member
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Joined: 27/12/2006(UTC)
Posts: 33
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does running a holley 850 DP in a unworked 351 give any advantage or disadvantage
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Rank: Guest
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My experience prefers a smaller carby doing more work than a larger one. The faster air stream through the venturis on a smaller carb mixes fuel better. I was a crew member on NASCAR in australia and they run a 600 on a 350 chev. And they go fairly hard
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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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A 850 DP is too big for a stock 351 you should use a 600 vac as it works the best
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Rank: Member
Groups: Registered
Joined: 4/01/2007(UTC)
Posts: 59
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I have found with my stock 351 4V that the best performance and fuel economy that I have ever had was throw the holley in favor of a carter 625cfm AFB carby.
regards Landy351
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