KE70 4AG 20V Engine dismantled

Few photos of the engine dismantled for rebuild.

AE101 SEG 4AG Blacktop 20V + Microtech LT10S

New project already begun,a friend and regular customer at Garage Daz decided he needs something different than the ordinary for his 4AG Blacktop management systems, and suddenly he bought a used Microtech LT10S, and it is not even for 4AG model, it was on Nissan SR16 previously! And now it is my job to make it run on the 4AG 20V.

All Microtech ECU is engine specific,which means it is only can be used on the engine it was programed for. The crank trigger setting is not accessible for users to change, this restriction do have an advantage and disadvantage. The advantage is easier first time start up, which user or tuner doesn't have to spend his time find the correct ignition timing for the engine. All Microtech ECU will fire up at 1st crank on the engine its programmed for if all the wiring are done correctly. The disadvantage is,it is hardly transferable to any other engine. It is not universal like Haltech/Motec/Autronic..etc

So,can we make it run on other engine? Yes we could, the trick is to run all the sensors from that particular engine it is programmed for. In this case, we need to use all SR16 sensors on the 4AG engine. This will involve custom work to fit the sensors on the 4AG, most importantly is the Crank angle sensor (or usually called Trigger in engine management terms).

The owner opt for plug and play wiring to ease installation and reduce downtime, hence a used ecu connector is sourced to make the plug and play harness.

Connector to plug in on the stock 20V wiring loom was sourced from a burnt ECU.

Another view of the salvaged connector.

The LT10S wiring loom

 

 The half finished plug and play loom,ready to be tested in the car.

 The connector which will be plug onto the stock wire harness,the other end will be plugged to the Microtech. Shown here is the finished connection without the hot melt glue. The harness will be tested and will be hot glued later to make sure every pin does not move, this is to ensure reliability as it will vibrates when the car is moving.

The car now is waiting for internal surgery on the engine,so i guess i wont be updating this story real soon, but stay tuned for updates in a few weeks time.

Toyota SEG AE111+ Blacktop 20V + E-manage Tuning

 A Toyotarian contacted me whether i could do him a tune and i was happy to help. He drove an AE111 Corolla SEG with 4AGE Blacktop 20V swap + a few performance parts and using Greddy E-manage for his fuel and ignition management.

 

The engine bay

 On the dyno

 The HP vs Torque curve plot,the red curve is the previous tune(base run),the blue curve is after tuning,you can see there is an increase about 5hp almost everywhere from the previous tune and a huge increase in HP and torque at the top end after 7500rpm,max rev is about 9000rpm. Max power was increased from 125hp to 135 hp.

The previous tune was so lean and the ignition was so retarded on the top end that the dyno operator did'nt dare to carry on the dyno pull (that is why the red curve ends early than the blue), a test drive later confirms by the owner that the car is performed better than previous tune. Hope he enjoys driving the car now :-)

AE86 20 Valve swap + Freedom ECU Update#3

Here's the video of the AE86 starting and view on the Freedom ECU software...yes,it is in Japanese :-)

Project AE86 20Valve Swap + Freedom ECU update #3

Allright, the car have been tidy up and have been started, we spend some time to check all things are working fine. This 20 Valve running on DLI (Distributorless Ignition) triggered by the Freedom ECU, using 4AGZE ignitor and Mitsubishi coils. Tuning will be done sometime this week, but the car is pretty drivable now with the current map. Starts first time everytime and very smooth running, however the AFR need to be confirmed and fine tuning is needed to make sure everything runs more smoothly. Some photo below..

Engine bay : Short ram intakes and DLI,the extractor will be changed to a bigger one soon.

Silvertop to Blacktop ECU conversion

Another SVT to BT ecu conversion, this time is a Toyota LE with 20v Silvertop engine......the owner saw this blog and interested to convert his wiring too,he's having a few problems with idling and the Check engine light was on..so...straight to the job..

Soldering process on the 22pin socket inside the car..

Finished wiring and connecting the ECU..ready to roll..

The engine,airflow meter have been romoved but retaining the stock airbox,battery being charged because it was weak after 2 days..

Another view of the engine...Job finished..Owner happy with the performance

And Yeah....Garage Daz and RNR Autosport presents..

CAMPRO 4 throttle 200hp..hahaha,watch out VTEC..

AE101 SEG 4AFE to AE111 20 Valve Blacktop Swap.

Once again,my partner and good old friend of Garage Daz,trusted me to pull this project off. The car is AE101 SEG, Malaysian Domestic Model (MDM) with 4AFE engine. Owner have bought a crate AE111 20v engine,it comes with 6 speed transmission from Toyota Carib.The engine ecu is included but the wiring is in a really bad shape,it have being cut off by the Auto Supply Shop but he did'nt mind that as he bought the engine dirt cheap...so now it's up to me to graft the AE111 blacktop engine wiring with the AE101 SEG.

This is the stock AE101 MDM 4AFE engine wiring.The car now is almost 18years to the wiring is not really in a good shape,all the connectors are cracking and brittle and the insulation tape is falling off.

Here is the AE111 20Valve Blacktop engine wiring,this will be grafted into the AE101 engine wiring,taking all the necessary wires to run the engine.

AE101 wiring is being stripped off its insulation.

Unnecessary wires are cut and removed, leaving only the vital to the engine operation. Since most FWD Corollas have the starting,charging,a/c and ignition key power supplies run together with the ecu wiring,it is important to separate those things and know which one need to be removed,which is to be maintained,and which is to be grafted with the new wiring.On conversion like this,the big problem would be the air conditioning system,as different generation of Corollas having different air conditioning system.

Seen here the AE111 ecu wiring is placed on top of the AE101 wiring. Grafting session will begin. All wires are soldered and shrink wrap as usual.

Nearly finished,wrapping it with corrugated tube and insulation tape.

Finally,the finished wiring,all routing of the wires follows stock location on the AE101 SEG. One more ecu connector to be grafted inside the car to complete this conversion.

The 4AGE 6speed MT ecu, seen here attached to the wiring for trial start up.

Engine bay view.All the mechanicals are done by Garage Daz.These guys are really pro in 20Valve conversion,engine swap like this only 2 days!

Garage Daz chief mechanic - Mr Imran together with Garage Daz logistic and spare parts dealer - Mr Awai