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 Post subject: Re: 89 mm 4g63t build
PostPosted: Fri Nov 03, 2017 8:25 am 
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Posts: 509
Location: wv
Hopefully within the next couple weekends.
It all depends on how quick I can get the water neck welded.

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Jonathan

89 mighty max -4g swap in progress
04 F150 daily driver / gas hog :-/


Mon Dec 31, 2012 8:47 pm
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 Post subject: Re: 89 mm 4g63t build
PostPosted: Fri Nov 03, 2017 4:56 pm 

Posts: 79
Location: southwestern Connecticut
Good to hear you guys figured out the problem! When I was doing the swap in my truck the first Ecu I tried was bad. Seems to be a common problem. Good luck with the rest of the project Jonathan! It will all be worth it when you can finally drive it.

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Mike
1989 Mighty Max Macro cab 4g63 swap (in progress)
1986 Chevy K20 pickup vortec 350
1969 Chevy Camaro vortec 350 (X11)
1974 Chevy Monte Carlo
1986 Buick Regal 62,000 org. miles
1986 Honda ATC350X
1997 Honda CBR900RR
2002 Honda CBR954RR


Wed Oct 01, 2014 12:19 am
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 Post subject: Re: 89 mm 4g63t build
PostPosted: Wed Nov 15, 2017 6:36 pm 
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Posts: 509
Location: wv
I installed a new 180° thermostat today while I had the housing off.
Suppose to be getting it welded sat. If so I can start putting it back together.

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Jonathan

89 mighty max -4g swap in progress
04 F150 daily driver / gas hog :-/


Mon Dec 31, 2012 8:47 pm
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 Post subject: Re: 89 mm 4g63t build
PostPosted: Mon Nov 20, 2017 11:30 am 
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Posts: 7789
Location: MA
Woo hoo! Did you end up getting a a replacement ECU that definitely works?

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Jeremy N.
1964 Impala Convertible
1972 Pontiac Lemans
2016 Subaru Impreza


Sat Mar 18, 2006 7:40 am
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 Post subject: Re: 89 mm 4g63t build
PostPosted: Mon Nov 20, 2017 11:43 am 
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Posts: 509
Location: wv
Yes!! I've only started it for a short time until I have engine bolted down. Did not get water neck welded this weekend. Hopefully soon.

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Jonathan

89 mighty max -4g swap in progress
04 F150 daily driver / gas hog :-/


Mon Dec 31, 2012 8:47 pm
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 Post subject: Re: 89 mm 4g63t build
PostPosted: Tue Feb 20, 2018 7:34 pm 
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Posts: 509
Location: wv
Long time no update.
I got the water neck welded and it moved everything away from the turbo and it works great.
ECU works good! Ive drove it around the block numerous times and it's fun to say the least!! Had to turn the boost down to 9-10 lbs because since I set the ignition timing and fixed some boost leaks it was hitting 20 lbs!!! And while it was loads of fun I don't feel like it's ready for that much power yet.
Also installed the aftermarket fan and thermostat I've had for a couple years.
Broke my phone and lost the pics.
So now I need to set the idle...
I'm pretty sure I ground the same idle switch wire as I did setting the base timing. And there's another wire I ground???? I think it's on the OBD port, but here's the problem. I don't have one. I have the 2 wires (yellow ECU pin 1) and (green ECU pin 2) that I use to check codes with a voltmeter. Do I ground one or both of these so I can adjust the biss screw?

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Jonathan

89 mighty max -4g swap in progress
04 F150 daily driver / gas hog :-/


Mon Dec 31, 2012 8:47 pm
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 Post subject: Re: 89 mm 4g63t build
PostPosted: Wed Feb 21, 2018 9:19 am 
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Posts: 7789
Location: MA
Congrats on driving it! That is awesome news!

Idle speed:
I believe you can just ground the timing connector, I believe it is a yellow wire with a red stripe and a plug on the end? Maybe? Make sure your ignition timing is set properly (I think it is supposed to be 8 degrees btdc - though double check, it's been a while.) Then adjust a BISS until you get like 750 RPM. If you can't make that happen, you may have boost leaks, or some throttle body issues.

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Jeremy N.
1964 Impala Convertible
1972 Pontiac Lemans
2016 Subaru Impreza


Sat Mar 18, 2006 7:40 am
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 Post subject: Re: 89 mm 4g63t build
PostPosted: Tue Mar 13, 2018 2:05 pm 

Rank: Newbville
Posts: 1
awesome progress on this, and nice diagnostic work between OP and jeremy. I'll be referencing this thread a bunch when I finish gathering parts to swap mine.

Jeremy- do you still do harness work on these? That's the part I'm looking least forward to when it comes time.

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91 FWD TSi
95 Mighty Max
14 SRT Jeep


Tue Oct 04, 2016 10:35 am
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 Post subject: Re: 89 mm 4g63t build
PostPosted: Wed Mar 14, 2018 2:17 am 
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Rank: HRCS OG
Posts: 3733
Location: Central NY
Welcome AWDream!

Looks like you found our little slice of the net without any issue. :D

When you get a chance, drop an intro post in Newbie Welcome with a little background, so we can get to know ya better.

Knuckshaft (Ryan) and Jeremy are the 4G63t harness gurus, so I'll let them have the podium.

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Walt
06 RX-8 Shinka
91 3000GT VR4
01 Tibb
Some people never have anything except ideas. Go do it.
Emissions & fuel economy haven't exactly been areas of strength for past rotary power plants, but absolutely no one with a soul has ever cared.


Wed Jun 24, 2009 12:21 am
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 Post subject: Re: 89 mm 4g63t build
PostPosted: Wed Mar 14, 2018 8:00 am 
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Posts: 7789
Location: MA
haha - Welcome AWDream! I don't do much with the harnesses anymore, but I do help people online a lot!

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Jeremy N.
1964 Impala Convertible
1972 Pontiac Lemans
2016 Subaru Impreza


Sat Mar 18, 2006 7:40 am
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