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Intake Manafold

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Old 10-01-2006, 04:58 PM
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Default Intake Manafold

What would be the best intake manafold for a 420HP? I had a Dart Intake manafold but it was for an engine that had a higher RPM range then the 420HP. The max RPM I have is 5000. Thanks
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Old 10-01-2006, 05:28 PM
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Default Re: Intake Manafold

for the absolute best contact wilson manifolds, tell him what your looking to do hell tune a manifold to your needs.
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Old 10-01-2006, 05:38 PM
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Default Re: Intake Manafold

I would recomend a Edelbrock Performer RPM.
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Old 10-01-2006, 05:42 PM
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Default Re: Intake Manafold

Quote:
Originally Posted by mrhorsepower1
I would recomend a Edelbrock Performer RPM.
How would an Edelbrock Performer RPM hold up in marine conditions? I was told Dart makes some with Merlin Brass coated water jackets.
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Old 10-01-2006, 07:37 PM
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Default Re: Intake Manafold

If it's fresh water you will be alright. Salt water of course will take it's toll without fresh water flushing. That intake being a raised runner dual plane will give you the best torque curve for you combination. A upgrade camshaft grind will also help.
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Old 10-01-2006, 11:27 PM
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Default Re: Intake Manafold

The Merlins on my 420's work great.
http://www.zippyvideos.com/683233795...6/7-25-05_008/

Last edited by cuda; 10-01-2006 at 11:29 PM.
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Old 10-01-2006, 11:31 PM
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Default Re: Intake Manafold

Quote:
Originally Posted by gripit
How would an Edelbrock Performer RPM hold up in marine conditions? I was told Dart makes some with Merlin Brass coated water jackets.
I've never seen a bronze lined Dart, and I've been looking.
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Old 10-02-2006, 04:37 AM
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Default Re: Intake Manafold

Dart does not but Merlin/World products makes it with the brass inserts
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Old 10-02-2006, 07:18 AM
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Default Re: Intake Manafold

Quote:
Originally Posted by mrhorsepower1
I would recomend a Edelbrock Performer RPM.
I second this .
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Old 10-02-2006, 07:19 AM
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Default Re: Intake Manafold

i have a gm intake off of a 420 with brass insert , ported 100.00 bucks shipped to you . pm me if interseted.
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