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Vintage Ford Mustang Engine Tuning Barry Grant Metering Block

Main metering jets control the amount of fuel that flows to the boosters. The larger the jet (inside diameter), the richer the mixture. This is a Barry Grant metering block, which looks just like the Holley block.
How To Tune Your Vintage Mustang for Improved Performance

 Main metering jets control the amount of fuel that flows to the boosters. The larger the jet (inside diameter), the richer the mixture. This is a Barry Grant metering block, which looks just like the Holley block.  View Related Article

 

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