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 Post subject: Here's my '78 Arrow
PostPosted: Wed Mar 07, 2012 9:44 pm 

Joined: Fri Mar 02, 2012 8:09 pm
Posts: 67
Location: Niles, Mi USA
Image

:shock:
Just like the title says.
I'll get more pics of it in the next few days maybe.
I traded a set of tires for it in "un-operable" condition. Wouldn't start, battery was low, missing a plug wire, coil had a paperclip holding the - terminal on, brakes bled down quick, battery terminals were all falling apart, someone "installed" a stereo, one tire was flat the others had about 10psi, oil was gassy, interior lights didn't work, one of four runner lights worked, right turn signal stayed on solid, and it had this "nsty tuning" sticker on the side.


So, I charged the battery and replaced the terminals, replaced some bulbs, replaced the broken coil, installed new plugs and wires I had set aside for my '85 or '87 Conquests, bled the brakes and replaced the vacuum check valve with one from one of my quests, removed the stereo that wasn't even connected from the hole that someone melted out of the dash, filled the tires with air, changed the oil, set the timing to 10°, and removed the "nsty tuning" sticker.

So far so good. but she shoots a pop out the exhaust after a couple seconds after I shut her down, and it kind of diesels after a ~10minute highway drive at 55mph. Plugs look clean/gray/lean, wires are new, timing is on. My brother brought me a service manual, so I'm digging into that now.

I'll have more updates / pics later on.


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Thu Mar 08, 2012 2:10 am 
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Joined: Sat Dec 29, 2007 5:05 am
Posts: 307
Location: Clevakron, Ohio
Ahhhh, cuteness!!! (I love the '76-'78 round headlight cars!) Congratulations! :tu: :D

Retard the vacuum advance on the distributor a little and that may cure your backfire/deiseling problem.

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2005 Scion xB Super Toaster


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Thu Mar 08, 2012 6:51 am 
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Joined: Sun Jan 22, 2012 12:17 pm
Posts: 152
Location: Indiana
His car and my 76 Colt Sedan.

Image

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1973 Mitsubishi Galant Wagon, turbo, 4G63, fuel injected, on work wheels.
1991 Mitsubishi Galant VR4
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 Post subject: Re: Here's my '78 Arrow
PostPosted: Thu Mar 08, 2012 6:58 am 
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Joined: Thu Aug 20, 2009 3:56 pm
Posts: 62
Location: Central Ohio
Is that the one from the Kokomo Craigslist?


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Thu Mar 08, 2012 4:21 pm 
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Joined: Sun Jan 22, 2012 12:17 pm
Posts: 152
Location: Indiana
78 Arrow GS wrote:
Is that the one from the Kokomo Craigslist?



Yup

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1973 Mitsubishi Galant Wagon, turbo, 4G63, fuel injected, on work wheels.
1991 Mitsubishi Galant VR4
follow me on instagram: @incorporatedx


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Thu Mar 08, 2012 10:24 pm 

Joined: Fri Mar 02, 2012 8:09 pm
Posts: 67
Location: Niles, Mi USA
Yes, from Kokomo, In.

Fire, If I retard it anymore than 10° it will idle weird.

Hooked up the wideband, after removing the "cat" and fixing exhaust leaks.
Cold start idle-9:1
Cold start idle in gear-14:1
Cold start cruise-13.7:1
Cold start WOT-13.5:1
Warmed up idle-20+:1
Warmed up idle in gear-15:1
Warmed up cruise-15:1
Warmed up WOT-13.9:1

Adjusting idle enrichment doesn't effect idle enrichment or cruise, or anything. So it seems I need a carb rebuild/cleanup.
Also, during cruising I get lean surges to 17:1, no issues under WOT.
I'm going to change the fuel filter and maybe convert to an electric pump at the same time.
It doesn't pop so loud after shutdown with no "cat" thing. Still pops though.


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Fri Mar 09, 2012 12:39 am 
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Joined: Tue Sep 27, 2011 6:52 pm
Posts: 109
Location: Salem, Or
Arrows are frickin' cool, I saw this link on the classic colt forum. Looks good next to the colt!


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Fri Mar 09, 2012 3:02 am 
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Joined: Wed May 27, 2009 1:27 am
Posts: 164
Location: Elbow deep in grease, in a garage somewhere in Sydney
When I still had the Saturn motor in my coupe I had some problems with carbon build up. It was a pretty tired motor.
The carbon was "glowing" and causing pinging (or i think you call it knocking) plus dieseling or run on after you shut it down.

I used a fuel additive made by Wynn's but I can't quite remember what it was called. But it cleared out the carbon build up and helped a bit. Engine was still pretty toast but it didn't ping anymore.

What are you plans for it?

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THE OLD MAN'S Datsun 2000 Sports (SR311)


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Fri Mar 09, 2012 11:06 am 

Joined: Fri Mar 02, 2012 8:09 pm
Posts: 67
Location: Niles, Mi USA
I'm going to stuff the things from this: http://www.starquestclub.com/forum/inde ... opic=60751
into it.
I also have a Ford 9" fabricated housing with a nodular center and spool with 4.56 gears.
Basically I don't want to back half my quest to make it handle the power that motor is making.
I'm going to mess around with it in stock form for a while before I do all that though.


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Sun Mar 18, 2012 1:20 pm 

Joined: Fri Mar 02, 2012 8:09 pm
Posts: 67
Location: Niles, Mi USA
http://ilostmymind.com/upload/20120318_15.03.33.jpg


anyways, went for a spirited drive today to push some seafoam through the motor to see if that will straighten out my lean surges on cruise.


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Sun Mar 18, 2012 10:41 pm 

Joined: Fri Mar 02, 2012 8:09 pm
Posts: 67
Location: Niles, Mi USA
Image
i'ma go buy some paint an do that.
maybe without the gt... maybe gs though.


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Mon Mar 19, 2012 5:00 am 
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Joined: Sat Dec 29, 2007 5:05 am
Posts: 307
Location: Clevakron, Ohio
Your car reminds me so much of my first one - also a '78. Hope that you have a lot of fun with that GREAT little car! :tu: :D

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1979 Plymouth Fire Arrow
2005 Scion xB Super Toaster


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Tue Mar 27, 2012 7:15 pm 

Joined: Fri Mar 02, 2012 8:09 pm
Posts: 67
Location: Niles, Mi USA
I should probably start a new thread for this, but I'll ask here anyways.
Has anyone put a head from a 2.6l g54b with tbi from a conquest onto an astron 2.0l?
Controlling it will be easy with megasquirt. I doubt the ecu would run it well anyways with .6l less displacement and 8.5:1 vs 7.0:1 compression.
Using points with a single coil setup and 2 injectors, staged (one big, one small) or alternating (two medium sized) is simple, and a megasquirt 1 cpu on a v2.2 board will handle that and then some.

you can find g54b specs here: http://ilostmymind.com/manuals/86%20Con ... Manual.htm
I am holding a 2.0l manual in my hand. I haven't found a digital copy yet.

But the head I plan to use needs a new valve or more. So it will be a little before I pursue this. I am not concerned with the life of the engine though, so I'm not going to lower the compression or use forged bits, since I kind of like the low end that compression gives you.
I am starting to get leaky valve seals on the 2.0l, and the carb needs rebuilt, but it still drives ok on a cruise, to and from work is annoying since I get part throttle lean surges. Besides, who doesn't like driving a turbo car? Oh, did I mention it would be turboed?
:twisted:


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Mon Apr 02, 2012 5:50 pm 

Joined: Fri Mar 02, 2012 8:09 pm
Posts: 67
Location: Niles, Mi USA
Head swap is postponed.
http://ilostmymind.com/upload/20120402_20.19.43.jpg
cracks bad. mmmk


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Wed Apr 04, 2012 12:15 pm 
Mild Cam
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Joined: Wed Feb 10, 2010 2:31 pm
Posts: 1678
Location: Cleveland, Ohio
Nice looking little car. I always saw a couple of these at the local Mopar/musclecar shows when I was younger and they always intrigued me. Good work so far!

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 Post subject: Re: Here's my '78 Arrow
PostPosted: Sat Apr 21, 2012 8:21 pm 

Joined: Fri Mar 02, 2012 8:09 pm
Posts: 67
Location: Niles, Mi USA
http://ilostmymind.com/upload/20120421_14.17.35.jpg
shiny


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Sun Apr 22, 2012 5:40 am 
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Joined: Thu Aug 20, 2009 3:56 pm
Posts: 62
Location: Central Ohio
I noticed that you took the grille off. I don't know if you're looking for one or not (the one on the car in earlier pics was missing a small piece) but there is one on eBay that would fit your car. The price is a little steep, but those grilles are not easy to find in one piece. It's been listed for awhile, so I don't know if the price will come down.
http://www.ebay.com/itm/1977-PLYMOUTH-A ... es&vxp=mtr


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Sun Apr 22, 2012 5:38 pm 

Joined: Fri Mar 02, 2012 8:09 pm
Posts: 67
Location: Niles, Mi USA
not really looking for a grill.
I personally hate the look of the stock grill, thus, I removed it.
Even if it were pristine, I'd remove it.

Thank you though.


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Sun Apr 22, 2012 6:22 pm 
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Joined: Tue Sep 27, 2011 6:52 pm
Posts: 109
Location: Salem, Or
you should just do a custom billet grille.


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 Post subject: Re: Here's my '78 Arrow
PostPosted: Sun Apr 22, 2012 6:58 pm 
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Joined: Fri Oct 12, 2007 8:57 pm
Posts: 8537
Location: Arlington, TX, USA
button wrote:
http://ilostmymind.com/upload/20120421_14.17.35.jpg
shiny


What size are those tires? Seem a tad on the big side. :wink:

Love the car though. :tu: :mrgreen:


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