Reply to "Tuning Holley 4150 650 DP #4777-3"

markiv42804280 racing is life .....everything else is just waiting

Holley catalog shows
IAB .028
MAB .072
PVCR .062
IFR unlisted but typically @.040
idle transfer slot feed[intermediate] is usually @.060
increasing holes .002 larger is @ 6-7% more flow
accel nozzles .028 pri/sec
powervalve#65

HP books has a good tuning book isbn ; 0-912656-48-4
SA design also has a book; isbn 0-931472-08-3

David Vizards performance tuning books are very good.PM me if you need more info

7/21/149:23 AM

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