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-   -   1.8 swap a lil twist (https://www.miataturbo.net/general-miata-chat-9/1-8-swap-lil-twist-96140/)

btill115 03-01-2018 08:34 AM


Originally Posted by hector (Post 1469373)
The attachments are fubar'd. Nothing but text for msl and msq.

You are getting injector pulse, and MAP is going down so the engine seems healthy enough mechanically.

Check the basics as far as compression and cam timing still. Since this is a swap, who knows what the previous owner did to the engine before you got it.

Take out plugs. Might be so wet from fuel that they won't start the car.

I can't say it will do much good but it can't hurt to raise cranking rpm to 500 since you are cranking in the 400 range. Raise cranking dwell to 7.5ms from the 6ms I saw in the screenshot in the first page.

Have you set ignition offset? It's at 5* on the screenshot on the first page?

Wonder why they are so wacky. Here's a link:
https://drive.google.com/folderview?id=1ZNVjpVdlneSzH5naJyckTmI3n6k2XvQv

I will check compression today. I did the timing belt myself and I've never messed it up before but its very possible I did.
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I've tested with the plugs dry and wet, doesn't seem to help. But I will see how wet they are after cranking today when I do the compression test.

And I will change my cranking dwell.

Thank you!

btill115 03-01-2018 09:59 AM

Using a good timing light I bought for my 1.6 back in November I wen to test my timing during crank, but when I pulled the fuel relay.. I got ZERO spark because the light wouldn't light up at all... why is that?

btill115 03-01-2018 05:21 PM

Would my 1.6 ECU work with my the crank and cam sensors at all? Enough to see if it will start with the 1.6 ECU?

hector 03-01-2018 08:16 PM

1.6 ecu won't work with NB sensors but it should work with the CAS from the 1.6 on the NB engine iirc. But even if it did, what would it solve?

btill115 03-01-2018 10:24 PM


Originally Posted by hector (Post 1469513)
1.6 ecu won't work with NB sensors but it should work with the CAS from the 1.6 on the NB engine iirc. But even if it did, what would it solve?

Just to see if it was the motor or something to do with Megasquirt.

BUT THAT DOESN'T MATTER ANYMORE!! I GOT IT TO START!!!!!!!!!!!!!!!!!!!!!! I checked my timing like you said and found out my crank was off a tooth! I fixed it in a couple hours and just tried to turn the car over. It wouldn't start at first (expected) but then after putting my foot to the floor to get some good ol fuel cut going I got it to start! It certainly is not perfect, and will still need some help but it is a milestone from where I was 4 months ago trying to diagnose my 1.6's major compression loss. I'm truly in awe and amazed that I accomplished such a goal. I got into cars at the age of 14 and 3 years later just after turning 17 I have completed a milestone I didn't really ever plan for. THANK YOU TO ANYONE WHO HELPED ME, WHO'S THREAD I READ, OR WHO'S VIDEOS I WATCHED! This community is something special and I appreciate all you guys do.

That being said, my current symptoms are a low idle (manipulating throttle works pretty good) and my AFR's are pegged at 22.4. I presume it is something to do with the Innovate MTX-L itself. Anyone running this gauge have this problem? Would MS being adding more fuel since it thinks it is running so lean? (I guess it could actually be running super lean but I just don't it is based on how it runs and sounds)

Here is a data log and video so you guys can confirmed everything is okay. Hoping to get this MTX-L issue solved and driving the car

https://drive.google.com/drive/folde...IS?usp=sharing

Again,
Thank you thank you THANK YOU

hector 03-02-2018 06:13 AM

Congrats!

Sounds like the sensor is shot but that's just a guess coming from a guy who's bought like 6 of them through the years.

btill115 03-02-2018 09:13 AM


Originally Posted by hector (Post 1469565)
Congrats!

Sounds like the sensor is shot but that's just a guess coming from a guy who's bought like 6 of them through the years.

I mean.. it's a brand new sensor. Also, I may or may not have unplugged it while the gauge was on..... Hoping it is just recalibration

Braineack 03-02-2018 09:33 AM


Originally Posted by btill115 (Post 1469532)
I checked my timing like you said and found out my crank was off a tooth! I fixed it in a couple hours and just tried to turn the car over. It wouldn't start at first (expected) but then after putting my foot to the floor to get some good ol fuel cut going I got it to start!

I was actually going to say I thought your crank signal looked a little odd -- the spacing on the crank signal on the composite logs should be very evenly spaced and yours always seemed to have a weird pattern to it.

double check the req_fuel value on your tune makes sense for your injectors.

btill115 03-02-2018 09:38 AM


Originally Posted by Braineack (Post 1469592)
I was actually going to say I thought your crank signal looked a little odd -- the spacing on the crank signal on the composite logs should be very evenly spaced and yours always seemed to have a weird pattern to it.

double check the req_fuel value on your tune makes sense for your injectors.

It is 12.1 for 254cc injectors, which is stock size for the non USDM NB 1.8 right? It gave me that signal while cranking too

btill115 03-02-2018 10:29 AM


Originally Posted by Braineack (Post 1469592)
I was actually going to say I thought your crank signal looked a little odd -- the spacing on the crank signal on the composite logs should be very evenly spaced and yours always seemed to have a weird pattern to it.

double check the req_fuel value on your tune makes sense for your injectors.

Should I adjust my pots again maybe? Can't tell if that is signal noise or what. That log uploaded was during crank, I will take a log while running and see if it is any different. Also, why would tuner studio say syncing if it wasn't?

btill115 03-03-2018 12:45 PM


Originally Posted by btill115 (Post 1469597)
Should I adjust my pots again maybe? Can't tell if that is signal noise or what. That log uploaded was during crank, I will take a log while running and see if it is any different. Also, why would tuner studio say syncing if it wasn't?

when running my signals came out perfect


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