Holley carburetors are manufactured with jets that ride within 35 degrees above or below 70 degrees Fahrenheit.
Instructions
1. Remove the fuel bowl by unscrewing the four bolts with a wrench.
Provided the ambient temperature of the intake air is out that 35 measure area, the jet sizes Testament charge to be changed. In the circumstances of bleak weather, the jets Testament demand to be reduced one extent. Smaller jets deliver less fuel, forming for a leaner combustion that raises the operating temperature of the engine.
The fuel bowl is the forward most intersect of the carburettor target. Save the gaskets for reinstalling the bowl.
2. Applicability a brace of pliers to remove the brass coloured jets from the metering block, which is exposed after pulling off the fuel bowl.
3. Subsume the smaller size jets, as indicated by the stamp on their heads, into their respective positions in the metering block. Tighten them enough to seat them properly, but don't over tighten.
4. Reinstall the gaskets and slide the fuel bowl into place, securing its four bolts to the metering block and tightening them to 30 inch-pounds of torque.
