How to change a Holley power valve? - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

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post #1 of 3 (permalink) Old Mar 17th, 02, 02:14 PM
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how do you change the power valve on a holley 600cfm, also I noticed all diffrent do I pick?
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post #2 of 3 (permalink) Old Mar 17th, 02, 02:25 PM
Join Date: Aug 1998
Location: Waldorf Md. USA
Posts: 3,283
YOu will need to remove the front float bowl and the metering block. You will need a 1" wrench or socket for the power valve. As far as picking the correct one, 99% of the time, the one that comes with the carb is correct. Holley has a very good section on thier web site on the subject.
Hope this helps,

Bill Koustenis
Advanced Automotive Machine
Waldorf Md
1971 Chevelle "Heavy Chevy" original owner
1973 Z-28 family car...Brother bought it new in 73
BillK is offline  
post #3 of 3 (permalink) Old Mar 17th, 02, 02:44 PM
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Thanks bill It helps out alot....I popped the valve today and need to replace it monday. I figure it went out when it backed fired and the car just runs like crap.
thanks again!
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