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Hillclimb / Sprint Glanza build


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Thought I would add a Little how too guide for coil on plug with the motorsport electronics Starlet ep91 ME221 Ecu.

This is how I did it with the idea being you can still use the same loom to run on standard ecu / distributor and lead setup if needed. I found it pretty difficult to find info on this conversion and hope it helps anyone wanting to do the same.

Firstly I will be using Honda ep3 k20 3 wire coil on plugs ( you will need a boss welded or bonded to rocker cover to secure these down) 

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The 3 wires to these are wired as follows

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You will need these also

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I started by removing all the high tension parts from the distributor , followed by fitting one of these from wickedep racing

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You will need to make a sub harness for the coil on plugs the earths can be all linked together , pin2 earths these direct to the cylinder head there is a handy threaded mate hole beside inlet.

For my setup I wired the ecu signal /trigger wires pin 1 for wasted spark . Meaning coils cylinder 1 & 4 trigger wire are linked together and coils cylinder 2 & 3 are linked. Pin 3 is coil live which can be looped together also which is supplied from original coil live. So this should leave you with 3 wires to terminate into a 3 pin plug like this 

 

Screenshot_20180304-224936.jpg

This is how the harness looks partially done

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Next you will need to add terminals to the ecu 26 pin plug if like me you want to be able to revert back to original coil with distributor and leads / original ecu if needed. The ME221 starlet ecu has 4 ignition drivers ign A being used for standard coil leaving ign B C & D . Ign B however already has a wire (white wire to distributor) so this needs to be left leaving ign C & D . So this is what I used these are pins 6 & 19 of the 26 pin ecu plug see below 

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This plug

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Once these have been added I run them in loom exiting beside original coil plug

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This leaves the coil live which I spliced into original coil live thick black / white

 

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Thick Red wire is what i added

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These 3 wires will then need terminated to match your sub harness you all ready made to coils . So terminal 6 you added to 26 pin plug will control coils 1 &4 leaving terminal 19 to control coils 2 & 3 (ecu signal / trigger ). Live wire bridged into original thick black / white will match sub harness supplying 12v to terminals 3 of k20 coils.

This leaves the jumper terminals in the Me221 ecu to be bridged with solder only one labelled ign C & ign D . Please ignore the fact I bridged B as it is now unsoldered as distributor uses this pin.

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PLEASE do not connect coils and ecu without contacting Motorsport electronics first as ecu settings need changed before connecting sub harness or ecu will be damaged

Hope this helps :crazy:

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Engine getting very close to fitting now , happy days 8)

Sorted out light weight alternator setup , decided to revert to fitting a new water pump . As I originally had a blanking plate fitted and was going to use a electric water pump.  But time restraints mean I've reverted to the original setup for now.

Custom alternator mount 

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Managed to fit new thermostat and sealed on water housing along with new MJC coolant pipes 

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Fitted my newly powder coated modified seat base for the final time and couldn't resist laying new belts in place for a look

 

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Then cleaned up fuel tank with wire wheel and treated with rust killer before resealing with stonechip . I then fitted my new walbro high flow pump and modded fuel tank breather to run up filler neck with one way valve rather than running to front of car.(as the carbon canister is ditched along with steel breather pipe to front)

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Getting close now :yahoo:

Edited by Mike84
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29 minutes ago, maddox710 said:

Did you make the seat base's yourself Mike? 

I originally bought a bride low seat base but never realised my motordrive bucket seats were a lot wider :sad:

So ended up chopping them up and rewelding them making them lower and wider. Would have been alot cheaper making them from scratch

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Small odds and sods done this week in prep for engine installation.  Which included fitting up all vacuum lines and sorting out other fittings . Seems to be taking forever but engine should be in this week :thumbsup:

Meanwhile removed original battery tray as this needs removed for intercooler pipe clearance . I will be welding a small plate on top to bring strength back to mount. Also will be running a small race battery which weighs only 1kg

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12 hours ago, Mike84 said:

Lithium ion battery I'm using is 190cca And measures a miniscule 150mm long and 87mm wide

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IS that nearly enought to crank a 4E mate? I'm just sayin this based off  the fact that our cars normally use around 450 CCA. :sad:

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On 3/18/2018, 1:26:04, Mike84 said:

Lithium ion battery I'm using is 190cca And measures a miniscule 150mm long and 87mm wide

15213793602521470113456.jpg

Is there a battery out there that sits in stock position, same terminals just featherlight weight? 

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18 hours ago, jiggaman_16 said:

IS that nearly enought to crank a 4E mate? I'm just sayin this based off  the fact that our cars normally use around 450 CCA. :sad:

I discussed it with the battery supplier and we both reckoned this was enough. However he did  assure me that he would take it back if it wasn't fit for purpose so time will tell ?

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3 hours ago, Gainzy said:

Is there a battery out there that sits in stock position, same terminals just featherlight weight? 

I bought these as well to fit original terminals need to machine them smaller for jap battery terminals .

Screenshot_20180319-202337.jpg

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I did buy a Fensport crank pulley, but they've messed me about multiple times now.

 

Besides, you single pulley actually looks better, although I'm more interested in the weight saving.

 

That said, for the price of it, it looks like worth a buy.

https://www.ebay.co.uk/itm/Belt-Pulley-Crankshaft-Toyota-eng-2e-4efe-5EFE-COROLLA-E90-E10-E11-92-02/253234735148?hash=item3af5f7682c:g:efEAAOSw5VtZ9v5c


Is that the one you got? Would you say it's any lighter than the stock one?

I think I may have to copy you on that one to be fair!

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Yeah that's the exact one I bought I'm sure it took just over a week to arrive but much cheapness 8)

It is approx 1kg lighter than stock and still has the rubber for harmonic dampening so won't cause any issues

buy it up :thumbsup:

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