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The Mariah Owners Club » General Chat » Prop Talk

3 blade to a 4 blade prop

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Old 06-04-2014, 02:17 AM   #11

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Default Re: 3 blade to a 4 blade prop
I can get my hands on 21 pitch 3 blades. Would that work better yet?
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    • Old 06-04-2014, 02:22 AM   #12

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    Default Re: 3 blade to a 4 blade prop
    21 pitch props will work better than your 22's for what you want to do with your boat.
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    Old 06-05-2014, 02:15 AM   #13

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    Default Re: 3 blade to a 4 blade prop
    We got a good deal for a nice used set of 20's 3 blade installed. Since we will be running higher rpm's is there anything I should consider adding? is one of those Holley 500 cfm worth adding or just keep it the same (though I'll probably rebuild it)? it currently has a the 2 barrel rochester on the 5.7L. thx
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    Old 06-05-2014, 03:32 AM   #14

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    Default Re: 3 blade to a 4 blade prop
    No the prop change should be fine. Switching over to a 4bbl will only use more fuel.
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    Thank you mikeyt for this useful post!
    samimarkie (06-05-2014)
    Old 06-05-2014, 03:36 AM   #15

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    Default Re: 3 blade to a 4 blade prop
    I agree, I was thinking of the holley 500 cfm 2 barrell though. I think the rochester is probaly 250 - 300 cfm.
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    Old 06-05-2014, 03:36 AM   #16
     
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    Default Re: 3 blade to a 4 blade prop
    Leave it alone and go have fun!
    That will work great for the "play" mode your looking for.
    Just don't let her go above 5 grand , and you'll be fine.
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    samimarkie (06-05-2014)
    Old 06-05-2014, 03:39 AM   #17

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    Default Re: 3 blade to a 4 blade prop
    good point.. will do
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