Echo-Troll Modding Thread (2005 Toyota Echo)

[HyperMileQC]

Originally Posted by Sven7

The Kammback looks like it could be a little more aggressive- what's the angle?

That belly pan is really nice. How did you get it to lie so flat?

We did not mesure it, we pretty much have eyeballed the angle.
And we checked after with the template. You say it should be a little bit more agressive? Do you mean more angle?

Thanks! The panels are attached on a metal frame :

Originally Posted by echo-francis

This is a good picture that explains it by itself, note that this is the first center belly pan.

[HyperMileQC]

We are currently switching the mechanical water pump for the electric. Were gonna post some pics and more info soon, stay tuned.

[HyperMileQC]

Originally Posted by echo-francis

Just received my EWP today! It is a EWP80 from Davies, Craig.

Planning to install it as soon as i'm getting a rendez-vous with my mechanic.
The plan is to replace the old HP stealing mechanic water pump for a Manually Controlled Fan & Electric Water Pump. I did not buy this to save money, only for pure fuel economy. It is also part of my belt-less engine project.

Here is its caracteristics as it is ritten on the box :

EWP80 Electric Water Pump Specifications :

Operating Voltage : 3V DC to 15V DC
Maximum Current : 7.5A
Maximum Flow : 80 L/Min, 21 Gallon (US)/Min at 13.5V DC
Operating Temperature : -40°C to 130°C (-40°F to 266°F)
Pump Design : Clockwise Centrifugal
Motor Life : 6000 hrs at 80°C (176°F) and 12V DC
Pump Weight : 900 grams (2.0 Lbs)
Pump Material : Nylon 66%, 30% Glass Filled
Seal : Ceramic Face Seal
Burst Pressure : 350 kPa (50 Psi)


Fan Digital Controller Technical Specifications :

Input Voltage : 12V DC to 15V DC
Output Vge olta: 5V to 15V
Maximum Current : 12A
Operating Temperature : -20°C to 60°C (-5°F to 140°F)
Targeted (Set) Temperature : 75°, 80°, 85°, 90°, 95°C (167°, 176°, 185°, 194°, 203°F)
Controller Type : PCB with Micro Processor
Sensor Type : Thermister in Waterproof Housing
Fan Cut-In Temperature : 3°C (5.4°F) Above Set Temperature
Time Out : 2 Min. (Or Set : 5°C/23°F) After Ignition OFF
Indicator LEDs : Temperature, Power ON, Pump Mode, Test and Fan
Weight : 90 grams (3.2 oz.)
Dimensions (Metric) : 101 mm (L) x 95 mm (W) x 35mm (D)
Dimensions (Imperial) : 4" (L) x 3-3/4" (W) x 1-3/8" (D)

After maybe a week of DIY thinkering and working, the electric water pump is installed and ready to work. It as been a pain in the ass to install this thing. But it works well as far as we can see.

After reinstalling the serpentine belt on the crankshaft, Mechanical water pump (Now an Idler pulley) and the alternator, and after reinstalling the frontal belly pan, the car was ready to take the road.

Here is a step by step of what we have done to install the electric waper pump and EWP & Fan digital controller :

Step 1. Remove the serpentine belt from the crankshaft, mechanic water pump & alternator.

Step 2. Remove the engine coolant.

Step 3. Remove the Mechanic water pump, open it and remove the gasket.

Step 4. Remove the impeler

Step 5. Put a new gasket and close the mechanic water pump, reinstall it to its stock place.

Step 6. Remove the coolant pipe that goes from the mechanic water pump to the radiator, and install the electric water pump on it.


Step 7. Replace the OEM thermostat for the digital contoller sensor, put PTFE sealant tape around the threaded body of the sensor, fit the sensor assembly in the threaded nylon adaptor and thighten.


Step 8. Do the wiring from the electric water pump and the thermostat to the EWP & fan digital controler.

(Here is the EWP & Fan Controller setup, it is nailed downside of the radio emplacement.)


Step 9. Fill the engine coolant reservoir with engine coolant.

Step 10. Plug the EWP & fan digital controller to the 12V battery.

Step 11. Start the car, and run the electric water pump for maybe 5 mins.

So thats it, we have now an EWP! thats fantastic. A premiere in the history of ecomodding perhaps?

Our impressions & comments later.

[echo-francis]

the pump works at 6 volt 10sec on 30 sec off when 20'C below set point
between 5'C and 20'C below set point it works 6 volt 10sec on 10 sec off
between 5'C below set point and set point its on and the voltage increase linearly from 6 to 12v

the set point can be 75,80,85,90,95'C

[echo-francis]

i just did my usual run residential area no highway
without the ewp i am at about 80'C at the end and today with the ewp i was at about 60'C so even on 1/3 of the time and 1/2 of the power the water circulate better then before at slow speed

at home i let the car idle until the fan come on at 95'C and it was longer than before

[blownb310]

Thanks for the report Francis. The installation looks great. The only thing I would like to suggest is that you carefully seal the blue "Scotch Lock" connector with silicone. Or better yet, solder the connections and cover them with heat shrink tubing to keep the moisture and road salt from causing corrosion and bad connections later.

Mike

[echo-francis]

i just did a highway test: i did not see a difference in mpg but last time i was on highway it was 25'C and today it was 8'C
I set the pump to 90'C and it was turning around 70'C. i stop and i did a very temporary grill block to help my grill block. the temp takes 13km to pass 70'C to 96'C (the fan turn on) but I exit the highway and with all my p&g EOC to home the temp drop. conclusion the best friend of a ewp is a ajustable grill block

[HyperMileQC]

We will make a run this night to test the temperature with the new EWP (Electric Water Pump). We have made new sides skirts, upgraded the grill block, and made a ducting to the radiator. We have also made front & rear wheel spats.

[HyperMileQC]

We have made new side skirts with the new belly pan. They are made the with the same material, coroplast and duct tape. Instead of being holded by metal angles, they hold with screws.

Driver side skirt :

[HyperMileQC]

We have also made new front spats that goes down alot more than the previous one.