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Holley 4053

Started by OLD IRON, June 11, 2011, 07:43:21 AM

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OLD IRON

June 11, 2011, 07:43:21 AM
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.

Stingr69

#1
June 11, 2011, 09:00:45 AM
Holley doesn't make a 2ndary power valve on anything aftermarket.

-Mark.

OLD IRON

#2
June 11, 2011, 09:08:34 AM
The car has it's original 4053 dz carb, not an aftermarket retro fit.
Joe.

68Zproject

#3
June 11, 2011, 09:14:46 AM
68Z28

JohnZ

#4
June 11, 2011, 11:59:18 AM
Quote from: OLD IRON on June 11, 2011, 07:43:21 AM
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.
'69 Z/28
Fathom Green
CRG

OLD IRON

#5
June 11, 2011, 06:20:45 PM
Thanks to all. Great help.
Joe.
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