Thread: Optimum transmssion/differential combo
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Old 09-26-2008, 10:53 AM
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Cobra Make, Engine: ERA 289FIA 2131, 331 stroker by Dan Dalena with 48 IDAs by Jim Inglese, AC Cars AC8 "Rosso Chiaro" (PPG Nexa code FG39) by Connecticut Custom
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Default Optimum transmssion/differential combo
Hi all-

ERA is building me an FIA car that will have a stroked 289 with 48 IDA Webers. I have been mulling over potential gearing and rear-end ratios, and thought that I'd solicit from the forum what others have found to be the best combination. Obviously this isn't a Weber tuning question, but I thought it made more sense to address it to the Weber crowd rather than generally.

I don't plan to do much driving around town, mostly parkway and country road cruising. No competition. Any insights will be very much appreciated!

Jeff
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