Some Handy 4E-FTE Informations

Pumba_GT

Pumba_GT

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I don't know if this is the correct section to post this thread, but I found the informations very useful to most of us here. Enjoy :)

4E-FTE
The 1st generation 4E-FE was the basis of the 4E-FTE, appearing in 1989, which was a turbocharged engine producing 135 hp at 6400 rpm with 116 ft·lbf of torque at 4800 rpm. The 4E-FTE was the most powerful of the E series engines ever produced. It was produced exclusively for the Toyota Starlet GT Turbo (Japan Only) and its replacement, the Toyota Glanza V (Japan only). However the 4E-FTE was a very popular conversion engine by enthusiasts for many small Toyota cars such as the Corolla and Tercel, which it fitted into with standard Toyota parts. The 4E-FTE differed internally from the 4E-FE only by its stronger connecting rods, lower compression pistons and different head gasket. It also features a harmonic damper instead of a normal crankshaft pulley. The turbocharger fitted to the 4E-FTE was Toyota's own CT9 which featured an internal waste gate and had 2 modes; low (0.4bar) and high (0.65bar) boost. The low boost mode was electronically controlled by a solenoid valve and the ecu and the overall or high boost was controlled by the actuator connected to the turbocharger. The 4E-FTE also had a "Top mounted", air cooled, intercooler. The 4E-FTE was mated to the Toyota C150 transmission or the optional C151 transmission which featured a LSD. Although aftermarket parts could substantially increase the power output of the engine, the major limitation is the fuel injection system, which tends to run too lean, even when the fuel cut-off is disabled (as one urban legend suggests).

· Specs:
· 74 mm Bore
· 77.4 mm Stroke
· 8.2:1 Compression Ratio
 
S

sdutton007

Member +
sx_turbo said:
i agree the fuel injection system is wank
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I've been told that running too lean can actually be better better for the engine than running too rich - is that true cos it seems a bit odd?!

What can you do (considering budget) to uprate the fuel injection system?
330cc injectors?
new fuel rail?
uprated fuel pump?
 
H

Harvey

Member +
No, running lean cannot be good. Running lean to a point makes more power, but too lean and temps will soar and end up with a hole in your piston!

Some interesting info in there, just a shame some of it is wrong!!

It did NOT have a C150 or C151 gearbox! I believe thius was what the paseo had but i could be wrong?

The starlet had a C52 gearbox while the Glanza i believe had a C56.
 
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sdutton007

Member +
Harvey said:
No, running lean cannot be good. Running lean to a point makes more power, but too lean and temps will soar and end up with a hole in your piston!

Some interesting info in there, just a shame some of it is wrong!!

It did NOT have a C150 or C151 gearbox! I believe thius was what the paseo had but i could be wrong?

The starlet had a C52 gearbox while the Glanza i believe had a C56.
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So how do you know when your car is running TOO lean? Mine is definately running lean but I don't *think* it's TOO lean.... well i hope anyway
 
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Harvey

Member +
If your car is standard you will be fine.

Its only when running increased boost it will become a problem.

Only way really is to use a wideband sensor and guage on it, altho a regular AFR guage will give a rough idea and a exhaust gas temp guage gives good indications too
 
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sdutton007

Member +
Harvey said:
If your car is standard you will be fine.

Its only when running increased boost it will become a problem.

Only way really is to use a wideband sensor and guage on it, altho a regular AFR guage will give a rough idea and a exhaust gas temp guage gives good indications too
Click to expand...

I'm running at 12.5 psi roughly.....

What exactly is a wideband gauge? Don't think Ive seen those before. I've seen the AFR gauge but they just seem to be red and green flashing lights that just go up and down regardless of what the engine is doing....
 
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