Holley 750 Double Pumper E85 Conversion Kit - Easy E85
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When it comes to dialing in this newly E85-ready carb, there are two things to pay attention to. The accelerator pump discharge nozzles, or squirters, one of which we've pulled out here, will need to be larger to provide the extra fuel needed. Something in the 0.040 to 0.050 range should work, but it will take some tuning to determine the size. The other things to note are the booster venturis (arrow). If the booster through-holes are smaller than optimal, the result is a bottleneck at the booster. If you increase jet size and there's no change in performance, the carb is too lean due to the boosters. Changing the boosters-if necessary-is a job best left for experts. View Related Article
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