Kamotors E30-Turbo to ITB M20

[DTM190]

Nice build! Just read from start to finish and I like that you have persisted with the auto.
I was PMSL at the gearing arguments earlier.
4hp22 1st 2.48:1, 2nd 1.48:1, 3rd 1:1, 4th 0.73:1
G260 1st 3.83:1, 2nd 2.20:1, 3rd 1.40:1, 4th 1.00:1, 5th 0.81:1

I have been in a few boosted auto cars (non E30) and they can be fun.
My dad used to have a boosted 190e auto and it was always on boost. The only lag was a split second in first gear off the line and once it came on it stayed on til it hit the limiter in top gear.

Cant wait to see updates!

[kamotors]

fixed all my oil leaks:) drove the car around and wideband still cuts out when rolling into boost. I discovered its not RPM dependent but just when I get to full boost. Also once when my wide band cutout I also got a CEL for a second.

[noE30]

awesome build man, makes me want to turbo my m20 so bad!

[kamotors]

rerouted things.





also I notice my oil cap leaks a bit after a drive I changed out the seal and it still leaks after driving, is it possible to be pressurizing the motor even though my valve cover is vented to atmosphere?

[kamotors]

drove the car a bunch today after getting a new ground point(strut tower) for the wideband and the wideband cutting out got worse. Also on the freeway the car occasionally pops going to boost I'm guessing its because of the blow through setup. I will goto a draw through setup soon. Also I got sideways at 45mph today and couldn't get the smile off my face:)

[kamotors]

ordered all my parts to run the MAF draw through now and have the airfilter be out of the engine bay and behind the brake duct area.

[trackjunkie21]

Honestly dude, I love your car, everything about it, it's so utilitarian while looking awesome!

[kamotors]

Running a draw through setup now but my AFRs are now much leaner. Idling in the driveway its at about 15-15.8 when cruising it goes from 14-16 and is constantly going back and forth, My AFR gauge is still cutting out as soon as I start creeping into boost. I'm not going to drive it until I get that sorted out.

[sofargone561]

haha bro i love u right now. I want and sti sooooo bad. when i get my e30 done i will be buying an sti. or maybe one of those brz's or maybe both =o

[kamotors]

haha bro i love u right now. I want and sti sooooo bad. when i get my e30 done i will be buying an sti. or maybe one of those brz's or maybe both =o

I really like the BRZ

[kamotors]

ver 1.5

*Draw through MAF
*3" charge pipes for the driver side
*intake behind passenger brake duct.

[goarmy]

nice that thing looks great I hope you put some great numbers on the track and post them up:)

[DrLeadFoot]

Keep rockin' the auto! Great build. I need some turbo in my life!

[Killacortes]

What's going in with your oil cap? Is that a oil drain from the turbo?

[kamotors]

that's my valve cover vent and my oil drain is into the old valve cover vent.

I did some fine tuning with the war chip and got the car running really well, but I'm still having issues. I've been talking with Brody at miller and was told to add fuel for the part throttle map and it really helped a lot. I actually had to add fuel just about everywhere and the car is real smooth now. I will be adding more fuel tomorrow because there were a few situations where I saw it on the edge of going lean.

I created two maps, one with the O2 sensor on and one with it off. The only map the car is even drivable on is the one with o2 sensor off. When the oxygen sensor is on The car will buck going into boost and then when I let off it will backfire and the AFRs hunt back and forth constantly. It just drives better everywhere with it off the only time the oxygen sensor was useful was for when you are rolling down a hill and go from off throttle for a few seconds and then want to get back on. with out the 02 it lacks response there.

also my wide band will go out at 4.5k rpms even under vacuum so I'm not sure what I need to do to fix this:(