Makers started putting torque converter lockups into auto trannies some time in the early '90's. So I think it's possible the '94 Civic doesn't have the lockup. An auto w/lockup should get better FE, all other things being equal.
Without lockup there's some continual slippage in an auto tranny. Lockup only works at higher speeds and in top gear (or maybe top two gears?) so it should feel almost like an additional top gear when it kicks in.
Anybody know when the Civics got lockup torque converters?
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Currently getting +/- 50 mpg in fall weather. EPA is 31/39 so not too shabby. WAI, fuel cutoff switch, full belly pan, smooth wheel covers.
Now driving '97 Civic HX; tires ~ 50 psi. '89 Volvo 240 = semi-retired.
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