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I was getting about 27mpg from my '89 GT-S with the 4A-GE engine.
I am now getting about 29 with the 7A-FE I swapped in. I also swapped in the 7A-FE gearbox which has a taller final drive than the one for the 4A-GE.
With the 4A-GE and matching gearbox my engine was turning about 3700 RPM at 70 MPH.
The 7A-FE engine and gearbox niow turn 3150 RPM at 70 MPH.
My driving routes and style are the same, about 40% expressway and always about 8 mph over the speed limit.
My previous AE92, a '92 sedan, would get about 29 mpg also.
I have to question anything over 32mpg from any Corolla with any 4A-XX engine, unless you are driving 90% highway, very conservatively, on flat roads with no traffic.
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'88 Corolla, AE92 SR-5, 7A-FE swap/GT-S suspension
'87 Corolla, AE82 FX-16, 4A-GZE swap (autocrosser)
'03 Tundra 4X4 Access Cab, (FX tow vehicle/Home Depot runner)
Modification: Changing something to what you thought it should have been from the start!
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