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PostPosted: Wed Apr 20, 2022 8:44 am 
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Turbo Slant 6
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Joined: Sat Sep 13, 2014 8:25 am
Posts: 692
Location: Springtucky OR
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I ended up having to redesign the switch bracket. The first attempt forced the shifter too far back.
This one is simpler and a bit more elegant.
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PostPosted: Tue Apr 26, 2022 3:26 pm 
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Turbo Slant 6
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Location: Springtucky OR
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I'm finally to the point of calibrating all the sensors for the Megasquirt.
AFR, coolant temperature, intake temperature, crank position, throttle position, manifold pressure, barometric pressure, oil pressure, fuel pressure.
All calibrated.

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PostPosted: Sat Apr 30, 2022 8:17 am 
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Turbo Slant 6
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Joined: Sat Sep 13, 2014 8:25 am
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Location: Springtucky OR
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My quick and dirty injector test stand is rigged up. I just have to put gas in the tank and it's ready for the first test.

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PostPosted: Sat Apr 30, 2022 8:18 am 
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Turbo Slant 6
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Location: Springtucky OR
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Testing done, data gathered, numbers crunched.

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PostPosted: Wed May 11, 2022 9:33 am 
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Turbo Slant 6
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Joined: Sat Sep 13, 2014 8:25 am
Posts: 692
Location: Springtucky OR
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I got the first start today. It fired right up and idled just like it's supposed to.

https://youtu.be/80DmqQfZs3o

Then I dicked around with it trying to raise the idle to be more friendly with the new cam.
Until I fouled all the spark plugs...

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Still, that's great progress. I have an issue that the wideband isn't sending good data. It's just stuck on 10.3. Hopefully that's just a ground or wiring connection problem.

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PostPosted: Wed May 11, 2022 9:34 am 
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Turbo Slant 6
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Joined: Sat Sep 13, 2014 8:25 am
Posts: 692
Location: Springtucky OR
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I found the problem with getting wideband data. One of the pins had pushed out of a connector at the ECU. Easy fix and now I'm getting good AFR data.

I temporarily tweaked the settings on the idle control to let it idle high for cam break-in. While it was doing that I practiced editing the VE table in the high idle area just to see the effect. It's really easy to make 0.1 adjustments to the AFR. So far it seems the Megasquirt generated VE table isn't far off.

I've got some more testing to do before running it again. I didn't finish setting up the fan control so I need to do that. Once the cam has had it's allotted amount of running in I can start tuning the idle for real

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PostPosted: Mon May 16, 2022 8:01 am 
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Turbo Slant 6
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Joined: Sat Sep 13, 2014 8:25 am
Posts: 692
Location: Springtucky OR
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It runs and drives. I took it down the street to the gas station and put some 92 in it.
A few teething problems need to be addressed but soon I will start tuning.

https://www.youtube.com/watch?v=24FHit2iha8&t=7so

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PostPosted: Mon May 16, 2022 8:15 am 
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Joined: Mon Oct 21, 2002 11:08 am
Posts: 15338
Location: Blacksburg, VA
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Fantastic! Congratulations. Love the mellow sound and tappity tap taps. Bet that feels really good...

Lou

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PostPosted: Mon May 16, 2022 8:29 am 
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Turbo Slant 6
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Joined: Sat Sep 13, 2014 8:25 am
Posts: 692
Location: Springtucky OR
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Thanks Lou!
Yeah, it feels pretty good. Seemed like I was never going to get to the point where it would move under it's own power.
And...It will be so nice to just drive it out of the shop instead of having to push it when something else needs to come in.

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