Quote:
Originally Posted by Cliff R
It needs a slight recalibration. The manual transmission non Ram Air carbs are leaner than the auto carbs for some reason. We've helped a bunch of them out with similar issues, especially since this new fuel with ethanol came out.....Cliff
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Generally (not always), automatic transmission carbs were calibrated richer to compensate for the fluid coupling losses in the transmission.
To verify, check the manufacturer's power loss figures for various transmissions. Generally, losses for automatics (at least during this time period) were approximately twice the amount for manuals. The energy for the losses has to be provided, thus the richer carb calibration.
Jon.
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"Good carburetion is fuelish hot air".
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Owner of The Carburetor Shop, LLC (of Missouri).
Current caretaker of the remains of Stromberg Caburetor, and custodian of the existing Carter and Kingston carburetor drawings.