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Old 01-11-2018, 06:19 PM   #1
J Keirstead
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Default New Stock Replacement Head Buyer Beware

Just looked at the Dart 10021070 heads today for my combo and the runner volumes are so LARGE that there is no way that you can make them right, sucks to waste that money when they are advertised at Dart as 165/65 runners( my mistake)
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Old 01-11-2018, 06:26 PM   #2
Tim H
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Default Re: New Stock Replacement Head Buyer Beware

Could it be they just "look too large" as numerous sites including Dart,Summit and Jegs list them as 165/65 ? They suggest a Fel Pro 1204 or OEM intake gasket for use with these.
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Old 01-11-2018, 07:03 PM   #3
Brian Oakes
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Default Re: New Stock Replacement Head Buyer Beware

Tim, i think Jack FLOWED the heads, not just looked at them. and them where TOO big.
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Old 01-12-2018, 08:22 AM   #4
J Keirstead
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Default Re: New Stock Replacement Head Buyer Beware

Thats correct Brian, strong 175 0n the intake and 70 on the ex.
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Old 01-12-2018, 08:49 AM   #5
Glenn Briglio
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Default Re: New Stock Replacement Head Buyer Beware

Quote:
Originally Posted by J Keirstead View Post
Thats correct Brian, strong 175 0n the intake and 70 on the ex.
Flow test?
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Old 01-12-2018, 09:16 AM   #6
J Keirstead
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Default Re: New Stock Replacement Head Buyer Beware

Flowed ok on the in and quite pour on the ex
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Old 01-12-2018, 10:47 AM   #7
X-TECH MAN
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Cool Re: New Stock Replacement Head Buyer Beware

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Flow test?
Those numbers are supposed to be C.C. volume measured with a Burette and alcohol. NOT air flow !
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Old 01-12-2018, 11:01 AM   #8
FireSale
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Default Re: New Stock Replacement Head Buyer Beware

I looked this part number up at Dart and it's an Iron Eagle SBC head. Dart's flow numbers are 210 intake/138 exhaust. In what way is this too big? Honest question from a Ford guy.
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Old 01-12-2018, 11:09 AM   #9
Glenn Briglio
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Default Re: New Stock Replacement Head Buyer Beware

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Originally Posted by J Keirstead View Post
Flowed ok on the in and quite pour on the ex
Ok is what cfm @.400 lift. And quite poor is ?
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Old 01-12-2018, 12:35 PM   #10
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Smile Re: New Stock Replacement Head Buyer Beware

To my understanding, flow numbers mean nothing with respect to Tech!!
If you have 168 CC intake and 62 CC ex. you are good to go.
CFM is a different animal.
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