Think my o.p. asked too many questions, & unclearly.. also, should this be moved to ecomodding central? Read some relevant older threads there yesterday.
-90s honda hybrids- I assume a full si swap, head swap, different engine (i.e. b18, d20, etc no lean burn) nullifies the hybrid specific value of these? Vx seems to have a higher mpg ceiling, hx is obd2 and maybe a little less uncommon.
-If you had your choice,
Echo/Paseo, or Civic VX/HX? Finding either is a struggle, even before excluding the auto's.. but which seem to have the most attainable mpg floor?
-Saturn SC vs Saturn SL1- the aero benefit for both seems to mostly be grill and bumper blockoff mods, not bodystyle differences? Wondering if the larger displacement contributes to it having a highway driving ceiling mostly under 50mpg..
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Corolla, 7-8th gen, manual vs the Saturn- similar engine sizes, more output from the toyota.. price aside (more miles on the toyota for the price most likely), how much of an FE step down are these both from the honda/toyota options above?