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Author Topic: Holley 4053  (Read 4377 times)

OLD IRON

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Holley 4053
« on: June 11, 2011, 12:43:21 PM »
Pulled down a friend's original '69 Z/28 carb today to find a 6.5 power valve in the secondaries metering block (with #72 jets).
I've never seen a secondary power valve in any 4150 model to date.
Is this original?
Joe.
 
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Stingr69

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Re: Holley 4053
« Reply #1 on: June 11, 2011, 02:00:45 PM »
Holley doesn't make a 2ndary power valve on anything aftermarket.

-Mark.
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OLD IRON

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Re: Holley 4053
« Reply #2 on: June 11, 2011, 02:08:34 PM »
The car has it's original 4053 dz carb, not an aftermarket retro fit.
Joe.
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68Zproject

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Re: Holley 4053
« Reply #3 on: June 11, 2011, 02:14:46 PM »
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68Z28

JohnZ

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Re: Holley 4053
« Reply #4 on: June 11, 2011, 04:59:18 PM »
Quote from: OLD IRON on June 11, 2011, 12:43:21 PM
Pulled down a friend's original '69 Z/28 carb today to find a 6.5 power valve in the secondaries metering block (with #72 jets).
I've never seen a secondary power valve in any 4150 model to date.
Is this original?
Joe.
 

Production 4053's had a secondary power valve.
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'69 Z/28
Fathom Green
CRG

OLD IRON

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Re: Holley 4053
« Reply #5 on: June 11, 2011, 11:20:45 PM »
Thanks to all. Great help.
Joe.
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