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Old 01-20-2005, 09:15 AM   #5
Larry68GMC
Registered User
 
Join Date: Aug 2001
Location: Midwest City, OK
Posts: 289
Yes I've tried different power valves and its the same thing. I'll play with the idle screws and get me a vacuum guage. Here are the specs on the engine: Dart Pro 1's 200/64cc, with 1.6 roller rockers, 10:2 compression, Duration @50: 224/234, Lobe lift: .310 .325, Lobe Sep: 107 117, Gross lift: 496 518, RPM AirGap, long tube headers, and this Vac Secondary 750. Anyone know any good holley books I could read up on? or do you guys think this carb is to big for me? ..Thanks...Larry
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71 GMC LWB 350, Dart Pro1's 200/64cc,10.2:1
RPM AirGap, 224/234 @50 496/518 lift w/1.6 roller rockers, 2500 stall
'05 Dodge 2500 Crew Cab 4x4, 4 inch lift and 35's CTD
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