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dbushey

  • Karma: +1/-0
Carb help for my 455 olds
« on: April 10, 2015, 05:14:47 PM »
The boat has a 600cfm edelbrock 1406, on a 455 olds. What is the best way to go edelbrock or holly carburetors? Should I rebuild this one or replace it with a hollY?
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mobboss

  • Karma: +15/-0
Re: Carb help for my 455 olds
« Reply #1 on: April 10, 2015, 05:31:47 PM »
It's going to be a personal preference. Personally I like holley. Had an edelbrock carb , and hated it!!! I have an olds 455 and I'm running an holley dp 780 .


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dbushey

  • Karma: +1/-0
Re: Carb help for my 455 olds
« Reply #2 on: April 10, 2015, 05:47:39 PM »
Is your 780 a marine model?
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dbushey

  • Karma: +1/-0
Re: Carb help for my 455 olds
« Reply #3 on: April 10, 2015, 05:49:15 PM »
Will the Holley fit on a performer edelbrock manifold?
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81sprint

  • Karma: +18/-0
Re: Carb help for my 455 olds
« Reply #4 on: April 10, 2015, 06:44:19 PM »
A holley should fit on a performer, I run a holley 4150 on a edelbrock air gap
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Chad krieger

  • Karma: +7/-0
Re: Carb help for my 455 olds
« Reply #5 on: April 10, 2015, 08:27:30 PM »
A Holley 850 DP should work just fine on your 455. That's what I'm running on mine.


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MorePower

  • Karma: +20/-0
Re: Carb help for my 455 olds
« Reply #6 on: April 10, 2015, 09:57:33 PM »
I ran a Quickfuel 850 on mine. Worked for me
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  • Boat #1: 1974 18ft Southwind
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dbushey

  • Karma: +1/-0
Re: Carb help for my 455 olds
« Reply #7 on: April 11, 2015, 07:03:51 AM »
Im thinking this one would be good

750 CFM Ultra Double Pumper Carburetor

Electric Choke Mechanical Secondaries

PART# 0-76750RD
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81sprint

  • Karma: +18/-0
Re: Carb help for my 455 olds
« Reply #8 on: April 11, 2015, 02:01:58 PM »
Doubt you will need a choke
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jet fever

  • Karma: +7/-2
Re: Carb help for my 455 olds
« Reply #9 on: April 11, 2015, 07:07:54 PM »
If your currently rocking a 600cfm ontop a stock 455 you dont need a $5,000 super adjustable 850cfm.  Yeah we all wanna say we got one but you dont need it

now Aluminum Intake and a 750cfm would be nice and gain lil power.  Its your money and your boat.

You don't need a choke but the marine 750cfm mechanical secondaries is the way to go


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  • Boat #1: 76 Hallett Bubble Deck
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