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oldcorollas
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Kita-Ku, Sapporo, Japan
Registered:
January 2003
 
EFI... the HARD way (or how to fuel inject a KE15) IT RUNS!!!!!!!!!!!!!!!! Wed, 12 January 2005 09:30 Go to next message
so.... this thread will document some of my EFI install.

basic idea is KE20 fuel tank with intank Walbro pump and 5/16 fuel lines (KE10 didn't have a return line). AE86 threaded ring welded to KE20 tank, home-made fuel pump hanger.
4K block, 3K head, 7KE manifold.
fuel pressure reg is.. camry? celica? same for damper.

computer will be Megasquirt to start with, then upgraded to MS2 with possibly EDIS ignition.

http://www.materials.unsw.edu.au/~sford/newpics/fuelpumpbracket1sml.jpg
http://www.materials.unsw.edu.au/~sford/newpics/fuelpumpbracket2sml.jpg
http://www.materials.unsw.edu.au/~sford/newpics/ke20tank-in-ke15.jpg

more pics as things progress
Cya, Stewart

[Updated on: Fri, 14 January 2005 10:20]

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oldcorollas
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Re: EFI... the HARD way (or how to fuel inject a KE15) Wed, 12 January 2005 09:34 Go to previous messageGo to next message
filler neck. KE10 would be a little more tricky.
http://www.materials.unsw.edu.au/~sford/newpics/filler-neck.jpg

mummified extractors
http://www.materials.unsw.edu.au/~sford/newpics/mummified-exhaust.jpg
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chrisss
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melb
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May 2002
Re: EFI... the HARD way (or how to fuel inject a KE15) Wed, 12 January 2005 14:48 Go to previous messageGo to next message
stewart,

how much testing have you done on the MS before you try to get your setup running.

have you installed it before on any other motors? or have you just bench tested?

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oldcorollas
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January 2003
 
Re: EFI... the HARD way (or how to fuel inject a KE15) Wed, 12 January 2005 20:46 Go to previous messageGo to next message
Heya Chrisss,

i didn't test the temp ensors yet, but i have changed the thermfactor tables using easytherm.

i hooked up the MAP line to see roughly what vacuum i was looking at (ie enough for idle without going to alpha-N)

i also hooked up the tach line to various points and did testing.
http://www.materials.unsw.edu.au/~sford/tach-testi ng.html
http://www.materials.unsw.edu.au/~sford/tach-testi ng2.html
and worked out how i was going to smooth the tach signal (Dave cap and 15K resistor before MS)

nope, just bench tested.. i've had a play with other motors with the tuning side, but they were all close to final numbers anyway. this is my first actual install Very Happy
fingers crossed.
Cya, Stewart
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Jayem
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November 2002
Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 02:38 Go to previous messageGo to next message
What sort of anti-surge setup do you have there?
When your car will run? Razz
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CrUZsida
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November 2003
Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 03:20 Go to previous messageGo to next message
oldcorollas wrote on Wed, 12 January 2005 17:34

mummified extractors
http://www.materials.unsw.edu.au/~sford/newpics/mummified-exhaust.jpg

How wise is this?
My exhaust dude said its really bad for them, and that they would only last 1000km if I did it.

(I wanted to shield the engine bay from the heat, so I suggested wrapping them).

Can it only be done to certain metals? or certain applications?
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Ben Wilson
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Canberra
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May 2002
Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 04:47 Go to previous messageGo to next message
I've had mine wrapped for around 30k with no ill effects...
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Skip
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Location:
Perth
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October 2003
Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 04:48 Go to previous messageGo to next message
What thickness / material did he make your extractors from?

Unless the material is thinner than normal you won't have a problem. My turbo dump is 1.6WT SS wrapped like that.
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CrUZsida
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Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 04:57 Go to previous messageGo to next message
Wouldn't have a clue.
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oldcorollas
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January 2003
 
Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 09:55 Go to previous messageGo to next message
wise schmize.... they only have to last me until may anyway Razz
they are.... normal exhaust pipe thickness, normal aluminised steel, and they may not last long, but is ok, i'd like to make a new set anyway.


IT RUNS!!!!!!!!!!!

had some issues with the MS code being corrupted during download when changing thermfactor.inc, but re-easythermed it and all good..

starts after 2nd or 3rd crank every time, idles 300rpm lower than carbs, and have a rough map done in under 30 mins!!! how stoked am i Smile

not sure if it's worth dynoing yet, but should make it to dyno day anyways Wink

biggest difference, even with dodgy map, is the smoothness... not sure if it's not pulling as much, or it's pulling more everywhere, but i run out of gears quick Smile
Cya, Stewart
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oldcorollas
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January 2003
 
Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 10:20 Go to previous messageGo to next message
Jayem wrote on Fri, 14 January 2005 13:38

What sort of anti-surge setup do you have there?
When your car will run? Razz


umm, tank is taller by 4 inches and pump sits in the middle with filter almost touching rear of tank. new tank holds near 50L, compared to 30 of old tank.

no antisurge as such, but i don't plan to give it too much on corners anyway...i was going to use an intank pot, but in the end, cbf....

Cya, Stewart
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thechuckster
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February 2003
 
Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 11:27 Go to previous messageGo to next message
well done stu!

could you post your easytherm measurements?

quick post hijack:
i've done a set of readings on another toytos coolant sensor (ex 2S-E i think - i'll have to clean the bugger to read the part #) and am hoping they're similar to other folk's sensors?
0 C - 5975 ohms
23 C - 2050 ohms
80 C - 410 ohms
these similar to what you got?
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oldcorollas
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January 2003
 
Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 11:45 Go to previous messageGo to next message
thechuckster wrote on Fri, 14 January 2005 22:27

well done stu!

could you post your easytherm measurements?

quick post hijack:
i've done a set of readings on another toytos coolant sensor (ex 2S-E i think - i'll have to clean the bugger to read the part #) and am hoping they're similar to other folk's sensors?
0 C - 5975 ohms
23 C - 2050 ohms
80 C - 410 ohms
these similar to what you got?



danke...

i got my measurements from dave jeals excel sheet at
http://au.groups.yahoo.com/group/oz_ms/files/Temp% 20Sensor%20Info/
i have the camira air and coolant temp sensors and the feedback from MT measured exactly with the pre-start temps of the day.. 39 in the evening!!!

i'm using standard 2490ohm resistor.

for CLT i used 0, 50 and 100 deg
for MAT i used 0 40 and 80deg

under vbonnet temps today (the temp sensor is just in engine bay atm) was 66 degrees!!!!!!!!!! H@LY M@ly

Camira MAT
AC Pno 1317
Res Deg C Deg F
195 100 210
255 90 194
355 80 176
490 70 158
690 60 140
1050 50 122
1550 40 104
2350 30 86
3850 20 68
6150 10 50
10000 0 32


Camira CTS
Bosch Pno 130 026
2200ohm Bias resistor
Res Deg C Deg F
200 100 210
230 90 194
300 80 176
430 70 158
600 60 140
850 50 122
1200 40 104
1750 30 86
2790 20 68
4170 10 50
6500 0 32

Cya, Stewart

ps, and with the 80x100mm unifilter, sounds like a mini 4AG now Smile pulls and pulls and revs cleany to around 8000rpm...
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Mos
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Location:
Oz
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June 2002
Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 11:56 Go to previous messageGo to next message
Hey Stew Smile

Sounds promising Smile Hope to see you there Smile

BTW, I had a temp sensor above the intake manifold on the 2JZ that overranged at 70 degrees. Basically after it warmed up it was always overrange... makes sense really, you wouldn't expect that area of the engine bay to be any cooler than coolant temps... In-cabin temps were 55 degrees but that's another story Smile

Mos.
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CrUZsida
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Re: EFI... the HARD way (or how to fuel inject a KE15) Fri, 14 January 2005 12:03 Go to previous messageGo to next message
oldcorollas wrote on Fri, 14 January 2005 19:45

under vbonnet temps today (the temp sensor is just in engine bay atm) was 66 degrees!!!!!!!!!! H@LY M@ly

On the dyno, mine gets up to 79degC

Damn pod filters.
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z|gen
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Registered:
June 2004
Re: EFI... the HARD way (or how to fuel inject a KE15) IT RUNS!!!!!!!!!!!!!!!! Fri, 14 January 2005 23:06 Go to previous message
is this sort of setup similar to using a 4K-E efi setup and a 5K ?
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