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> Zach's Carbs to Microsquirt conversion thread, 7/20/18 update
VaccaRabite
post Apr 3 2017, 07:29 PM
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QUOTE(Mike D. @ Apr 3 2017, 01:04 PM) *

So... It takes 6 years for a megasquirt conversion...? (IMG:style_emoticons/default/poke.gif)

JK... (IMG:style_emoticons/default/shades.gif)
I've only been thinking about it for 6 years. Can't pull the trigger...

Work. Kids. Divorce. All this stuff adds up and makes it hard to concentrate on stuff like toy cars. Plus, it's I got stuck fighting issues and ran out of talent. Took a long time to swallow my pride and send the car to Mark. I wanted to get it running myself.

Zach
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76-914
post Apr 3 2017, 09:17 PM
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Congrats in order for "stick to itness"! Enjoy the Hell out of it. Didn't know about the Divorce. Factor that in and you get Triple Points for successfully weaving your 914 through Divorce Court. (IMG:style_emoticons/default/beerchug.gif)
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r_towle
post Apr 3 2017, 11:41 PM
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I am thrilled for you!
Been a long haul, I hope I make it to Hershey to see you and your car both!
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VaccaRabite
post Apr 4 2017, 12:06 PM
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(IMG:http://www.914world.com/bbs2/uploads_offsite/c2.staticflickr.com-1435-1491329172.1.jpg)

Got this from Mark this morning.

Assuming 18% drive train loss, engine is making 149HP at the crank. Not bad for a 2056, and a lot more then I expected.

I don't have an RPM plot yet. Still the torque goes up FAST and then gets flat. I like it.

Still some weirdness to be sorted. It's loosing fuel pressure at WOT (probably a kink somewhere) and there is an electric issue that may be the engine relay board failing. But, man, this is progress. I'm pleased.

Zach
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914dave
post Apr 4 2017, 01:56 PM
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Glad to see you're getting it sorted!!
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arvcube
post Apr 4 2017, 03:49 PM
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Awesome! Thanks for sharing your numbers and graph. Something to look forward to hopefully
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76-914
post Apr 4 2017, 05:53 PM
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Quoting the Monkey that got his tail caught in the lawn mower, "It won't be long now". (IMG:style_emoticons/default/beerchug.gif)
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ConeDodger
post Apr 4 2017, 05:59 PM
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I am so impressed with Megasquirt. The video of Mark driving down to the dyno was so smooth.

As for stick-toitiveness, sometimes you just have to know when to write a check. This is why I go to Mark. I've got no time and I get to enjoy it sooner!
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VaccaRabite
post Apr 6 2017, 09:06 AM
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Its going to stay with Mark a little longer to figure out what is causing the electrical issue. This was a new issue to me. But the alternator is not charging fully, and suddenly the ignition switch would not turn off the car and stuff on the dash started getting wonky.

Mark thinks its probably the relay board.

When the car comes home, I'm going to wash it and get the interior back together and just drive it for a bit.

And then I'll start hacking up the fenders for flares and 5 lug.

But it will be nice to be able to actually DRIVE the car again.

Zach
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VaccaRabite
post Apr 13 2017, 08:02 AM
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Shipper just contacted me and the car comes home Monday night!
The charging issue was the voltage regulator.
Mark had to make a slight change in wiring to fix the run on issue after the key was turned off. Maybe he will chime in on that.

Now I just need to get the interior back together, get the head temp sensors into place and the console hacked to support the 4 way gauge.

But the car will be drive able Monday!

Zach
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76-914
post Apr 13 2017, 08:05 AM
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McMark
post Apr 13 2017, 08:31 AM
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I'm pretty sure the feedback/run-on issue is a failing alternator. But I changed the wiring to an alternate, but still correct setup.

The car also needs a warmup idle air bypass. The 1.8 style should work well. It's a little hard to start and warmup right now, but I tested it was a controlled air leak (a long hose from the intake manifold to my hand!) and was able to make it idle really nicely from cold.
(IMG:http://www.914world.com/bbs2/uploads_offsite/www.autohausaz.com-419-1492093874.1.jpg)

Also, the fuel lines need to be more comfortably routed.
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VaccaRabite
post Apr 13 2017, 11:27 AM
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I've got one of those in my parts stash. How will it need to be wired in?

Zach
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r_towle
post Apr 13 2017, 11:46 AM
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Duct tape Mark to the rear trunk, leave the engine lid off.
It will run perfect!
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McMark
post Apr 13 2017, 12:08 PM
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QUOTE(Vacca Rabite @ Apr 13 2017, 01:27 PM) *

I've got one of those in my parts stash. How will it need to be wired in?

Zach

Switched power. That's the beauty of both styles of factory AAR, they're dumb. There's an internal opening, that simply closes more and more the longer power is applied. So you just have to have the power turn on when the car's on and it'll do the rest.

Confirm that yours is operational before installing it. Look down the port, see the hole, hook the wires to power and ground (either way, AFAIK) and wait and watch. If the hole starts closing off, it's good to go. I usually spray a bit of lubrication in both sides of the port to combat sticking.

For final installation plumb one side of the port to the plenum, and the other side to the air cleaner. Run the ground to the engine case somewhere, and run the power to the new fuse panel (piggyback on fuse #6, which is also the O2 sensor).
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saigon71
post Apr 14 2017, 07:30 AM
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QUOTE(Vacca Rabite @ Apr 13 2017, 10:02 AM) *

Shipper just contacted me and the car comes home Monday night!
The charging issue was the voltage regulator.
Mark had to make a slight change in wiring to fix the run on issue after the key was turned off. Maybe he will chime in on that.

Now I just need to get the interior back together, get the head temp sensors into place and the console hacked to support the 4 way gauge.

But the car will be drive able Monday!

Zach


This is awesome news Zach! (IMG:style_emoticons/default/smile.gif)

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crash914
post Apr 19 2017, 03:02 PM
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WELL?????
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McMark
post Apr 19 2017, 05:21 PM
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Shipper delayed pickup. So it left GR on Monday instead.
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VaccaRabite
post Apr 19 2017, 06:59 PM
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Got it around 5 today. Took it for a quick spin around the block before looking at the gas gauge and seeing I was running on fumes.

There are some punch out tasks, but its really close now.

1) fab up a hold down for the battery
2) Air box, fuse panel need to be bolted down.
3) under tank fuel lines need to be shortened up to remove kinking. This will kinda suck as it will remove the service loop, but it needs to happen.
4) put the AAR back on the car and close up the air leak at Idle.
5) interior back into the car.
6) adjust the clutch cable.
7) make a new shifter knob. The mushroom cloud looks cool but I don't like how it feels.

(IMG:http://www.914world.com/bbs2/uploads_offsite/c1.staticflickr.com-1435-1492649945.1.jpg)
(IMG:http://www.914world.com/bbs2/uploads_offsite/c1.staticflickr.com-1435-1492649947.2.jpg)
(IMG:http://www.914world.com/bbs2/uploads_offsite/c1.staticflickr.com-1435-1492649947.3.jpg)
(IMG:http://www.914world.com/bbs2/uploads_offsite/c1.staticflickr.com-1435-1492649948.4.jpg)

Excited!
Zach
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mepstein
post Apr 19 2017, 07:00 PM
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