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PostPosted: Thu Jan 28, 2016 9:05 pm 
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Some call me a god

Joined: Sat Nov 03, 2001 7:00 pm
Posts: 1227
Location: Toronto Canada
I am going to try to piece my old c50 back together, but this time with a 4g63t and with a small or big 16g turbo. Its missing some parts. It has the 1.6l rad, but no fan. What fan can i use?
I will be calling around local rad shops for what they have. Its been so long I dont remember what fits what.

For those who swapped to a 4g63, what rad and fan and thermostat housing did you use?

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DRCOLT
1989 3g Colt GT turbo w/4g63t
1988 2g Colt sedan turbo w/4g63t +++++


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PostPosted: Fri Jan 29, 2016 9:49 am 
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CSM Junkie
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Joined: Sat Sep 22, 2012 6:40 pm
Posts: 667
Location: Indianapolis, IN
I used the DSM thermostat housing, 1988 Scirocco radiator radiator (dual core is less than 70 shipped on Amazon prime) and a single, quality 10 or 12" fan. Never had temp issues.

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Thom
1991 GVR4 1025/2000 (PTE 1200's, 16g, DSMLink v3, gm-maf, eagle/ross, .020 over, 272's, EVO VIII Wheels)
1992 GVR4 866/1000 (getting everything from above)


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PostPosted: Fri Jan 29, 2016 11:22 am 
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CSM Junkie

Joined: Sat Dec 20, 2008 7:45 am
Posts: 503
Location: tampa
I have good luck using ebay honda half radiator and fan in both my cars. with cold a/c in florida.
http://www.4g61t.org/forum/viewtopic.ph ... 0&start=60


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PostPosted: Sat Jan 30, 2016 9:13 pm 
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Some call me a god

Joined: Sat Nov 03, 2001 7:00 pm
Posts: 1227
Location: Toronto Canada
Thats reassuring. I can fabricate brackets, I just like the simple bolting on factory items.

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DRCOLT
1989 3g Colt GT turbo w/4g63t
1988 2g Colt sedan turbo w/4g63t +++++


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PostPosted: Sun Jan 31, 2016 11:01 am 
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The Silent Administrator
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Joined: Wed Dec 24, 2003 3:32 pm
Posts: 9413
Location: Ottawa, ON, Canada
In theory, look at Galant fans if you use a factory C53A or GVR4 radiator. See my build thread for details about all the radiators I have used if you want factory profile and minimal change in setup.

I do suggest trying the Scirocco (with or without AC - mounted IN the rad support area that the condenser occupies, or out with a condenser (needs some fab work)) or half size (but thick) radiators as pointed to above.

I have a 50mm Ebay GVR4 radiator that will go in soon, but I cannot give any comment to fitment of the top rad cap to hood clearance, or function, as of yet.
It is thick and makes alternator access and fan mounting (with a custom or factory shroud), a little bit of a challenge.


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PostPosted: Mon Feb 01, 2016 11:40 pm 
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Joined: Fri Jun 12, 2015 9:25 am
Posts: 86
Location: new jersey
I have a 1g dsm aluminum rad in my colt it's about an inch shorter that the stock colt one i made a bracket out of strip steel and called it a day and I have one fan and I kept ac


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PostPosted: Wed Feb 10, 2016 9:05 am 
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Joined: Fri Jan 21, 2005 9:52 pm
Posts: 589
Location: miami
after the 4g63t swap in my c10 I left the factory radiator with a 14 in elect fan ,, no issues so far so good

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1987 C10 mitsu mirage 2.0 turbo (mean sleeper) in rerstoration process


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PostPosted: Sun Feb 14, 2016 10:00 pm 
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The happy administrator
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Joined: Tue Apr 20, 2004 3:20 pm
Posts: 5583
Location: Wisconsin
A simple "honda radiator" setup off ebay will get the job done, just make sure the fan has a CFM of at least 1000, 1200 to be 100% sure.

_________________
Had a:
1991 Eagle Summit ES Hatchback - 4g15 12v 5spd
1991 Dodge Colt -4g15 12v 4spd
Have a:
1978 Oldsmobile Cutlass - 468BBO TH350
Round 3:
1990 Dodge Colt-4G63T 5spd


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PostPosted: Fri May 20, 2016 11:05 am 
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Some call me a god

Joined: Sat Nov 03, 2001 7:00 pm
Posts: 1227
Location: Toronto Canada
Okay, Thanks guys. I figured worst case I will go aftermarket and make my own rad supports.

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DRCOLT
1989 3g Colt GT turbo w/4g63t
1988 2g Colt sedan turbo w/4g63t +++++


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PostPosted: Fri May 20, 2016 6:42 pm 
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CSM Expert
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Joined: Sat Nov 03, 2001 7:00 pm
Posts: 2191
Location: SoCal and Wisconsin
Running a stock 1.6L radiator with AC. Puller slim fan on the engine trans side.

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90 Mirage LIL EVO 940awhp
14 Audi R8 V10
07 LS460L, 01 LS430
13 Tundra TRD S/C, 96 T100
96 Land Cruiser GT35R


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PostPosted: Sat May 21, 2016 11:53 am 
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Some call me a god

Joined: Mon Sep 24, 2007 5:50 pm
Posts: 1219
Location: Htown, TX
Also using a stock radiator with stock fan and 12" pusher on the a/c condenser. Have a fmic as well but most of the ducting is still intact.

To add to this, the weather here is heating up and I experienced some overheating issues today. Started on the highway but doesn't matter after a little bit, it was staying over 220*. It would rise in traffic, cool somewhat while moving but still never recover. This all points to the radiator simply not being able to keep up with the heat, IMO. So it looks like the stock unit can not keep up in hotter weather, although if you don't see over 90*, you might be ok. This is with a/c on as well.

I've sense installed a turbo mirage radiator (OSC 234) which was about twice as thick with some Redline Water Wetter and 50/50 coolant mix. Temperature stays a little lower now and I haven't had any overheating issues sense then.


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PostPosted: Thu Sep 22, 2016 8:47 pm 
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Some call me a god

Joined: Sat Nov 03, 2001 7:00 pm
Posts: 1227
Location: Toronto Canada
It looks like I will be using a slim fan. AND depending on which Stat housing I use, which will determine the rad. Right now I have a dsm Stat housing and So I am using the a dsm rad which has no rad cap.
If I can find a non dsm Stat housing without rad cap, then I will use the stock colt rad.

_________________
DRCOLT
1989 3g Colt GT turbo w/4g63t
1988 2g Colt sedan turbo w/4g63t +++++


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PostPosted: Thu Sep 22, 2016 8:56 pm 
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Joined: Sat Nov 03, 2001 7:00 pm
Posts: 2191
Location: SoCal and Wisconsin
How come? Just use a mirage turbo or galant t-stat housing with no cap and oem mirage radiator.

_________________
90 Mirage LIL EVO 940awhp
14 Audi R8 V10
07 LS460L, 01 LS430
13 Tundra TRD S/C, 96 T100
96 Land Cruiser GT35R


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PostPosted: Fri Sep 23, 2016 12:42 pm 
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Some call me a god

Joined: Sat Nov 03, 2001 7:00 pm
Posts: 1227
Location: Toronto Canada
I am searching for a non cap Stat housing. I currently do not have one.

_________________
DRCOLT
1989 3g Colt GT turbo w/4g63t
1988 2g Colt sedan turbo w/4g63t +++++


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PostPosted: Fri Sep 23, 2016 1:10 pm 
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CSM Expert
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Joined: Sat Nov 03, 2001 7:00 pm
Posts: 2191
Location: SoCal and Wisconsin
They are all over ebay

http://www.ebay.com/itm/902-3029-Dorman ... uI&vxp=mtr

_________________
90 Mirage LIL EVO 940awhp
14 Audi R8 V10
07 LS460L, 01 LS430
13 Tundra TRD S/C, 96 T100
96 Land Cruiser GT35R


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