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Old 09-06-2018, 07:57 AM
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Probesport Probesport is offline
232 I6
 
Join Date: Apr 15, 2015
Location: Metro Detroit
Posts: 155
Contour fans, radiator bracket fix

In the midst of adding coilpacks to my Waggy I had a bunch of stuff off for cleaning/painting and really didn't want to put the old clutch fan back on. After some fan searching here and the interwebs I decided that the Contour setup was the way to go. The fans will be controlled by the ECM (Megasquirt) and associated relays.

I also noticed that the brackets that used to hold the radiator in place, weren't, so it was time to address that as well. After removing the radiator I found that they were completely separated and that the radiator was being held in by sheer willpower and determination.



To re-attach the brackets, I drilled holes in the side radiator support and put in rivnuts



Put in a thick bead of RTV (Right Stuff) for extra adhesion and vibration



And then bolted them down, everything is nice and strong now no issues



On to the fans. I trimmed the tabs off of the contour fan setup so that it would drop in between the brackets but leave enough to mount a new backet to, then used some aluminum angle to fab up the brackets



(Excuse the next few pics, we lost power and I finished the project with a headlamp)

Brackets and fans mounted, I used plastic pins to cover the holes in the fan shroud and I decided to mount mine upside down so that the wiring was all at the top.



And then installed in the Jeep. Nice, simple, fast upgrade.





Next up, wiring and whatnot..
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Ken S.
Jeep toy: 1988 Jeep Grand Wagoneer
Megasquirt EFI
: Heated Seats : Blower fix : Driving light brackets : Shorty headers : Coil Packs : Electric Fans
Prior Jeeps: 1997 Jeep Wrangler TJ, 1994 Jeep Grand Cherokee Limited
Other toys: 1930 Model A (Hotrod), 1997 Ford Probe Turbo, 2000 Jaguar XJ8, 2005 VW Touareg
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  #2  
Old 09-06-2018, 08:13 AM
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Full Size Jeeper Full Size Jeeper is offline
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Join Date: Jul 20, 2014
Location: Mandeville Louisiana
Posts: 1,689
Nice fix.
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1978 Wagoneer

401/turbo 400 trans. Quadra-Trac BW1339 (with Low) 4" Rusty's lift with 31" Summit Mud Dawgs

Mods:
Fuel Tank, Red Holley Fuel Pump, Razor Grill (profile pic out dated), Rebuilt steering box
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  #3  
Old 09-06-2018, 01:42 PM
SJTD SJTD is offline
350 Buick
 
Join Date: Apr 26, 2012
Location: Lompoc and Sunland, CA
Posts: 1,270
Did you resolder the side brackets to the tanks?

If not it's kinda scary to me supporting the whole radiator by the core rather than the core being supported by the tanks.
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Sic friatur crustulum

'84 GW with Nissan SD33T, early Chev NV4500, 300, narrowed Ford reverse 44, narrowed Ford 60, SOA/reversed shackle in fornt, lowered mount/flipped shackle in rear.
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  #4  
Old 09-06-2018, 02:01 PM
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Probesport Probesport is offline
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Join Date: Apr 15, 2015
Location: Metro Detroit
Posts: 155
No, did not resolder, its adhered head to toe with gasket maker and the brackets are held on with the shallow bolts and nutserts. You can see in the 2nd and 3rd pics how it was done. Because the curved supports are still there and aligned at the top and bottom, the stressors don't really change as all we are doing is stopping it from sliding out of the brackets. A decent speed front offset impact would most likely cause a separation, but I'd have bigger issues before that ever happened.

We mount modern radiators in original hotrod grille shells similarly - well proven and little to no concern here, but scary may have different interpretations I guess.
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Ken S.
Jeep toy: 1988 Jeep Grand Wagoneer
Megasquirt EFI
: Heated Seats : Blower fix : Driving light brackets : Shorty headers : Coil Packs : Electric Fans
Prior Jeeps: 1997 Jeep Wrangler TJ, 1994 Jeep Grand Cherokee Limited
Other toys: 1930 Model A (Hotrod), 1997 Ford Probe Turbo, 2000 Jaguar XJ8, 2005 VW Touareg

Last edited by Probesport : 09-06-2018 at 02:06 PM.
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  #5  
Old 09-06-2018, 10:55 PM
SJTD SJTD is offline
350 Buick
 
Join Date: Apr 26, 2012
Location: Lompoc and Sunland, CA
Posts: 1,270
Yeahbut, what the nutserts are installed in is part of the core, no?

Gasket maker as in sillycone? Not the best adhesive.

Prolly be alright.
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Sic friatur crustulum

'84 GW with Nissan SD33T, early Chev NV4500, 300, narrowed Ford reverse 44, narrowed Ford 60, SOA/reversed shackle in fornt, lowered mount/flipped shackle in rear.
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  #6  
Old 09-11-2018, 08:23 AM
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Probesport Probesport is offline
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Join Date: Apr 15, 2015
Location: Metro Detroit
Posts: 155
Not really part of the core, it's the core support, and again its not whats carrying the load of the rad.

Right stuff gasket maker, and in fact silicone is an excellent adhesive in the right formulation. But, again, thats not whats holding the radiator in place. The only goal of this fix is to stop the radiator from sliding straight out out of the brackets as they are still in tack and holding via compression at the top and bottom.

It's very all right, I'd stake 20+ years of car building on it.

As far as updates: got the fan wiring and megasquirt inputs set, fans work on high, low, single, and pair, depending on temp. Pics to come.
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Ken S.
Jeep toy: 1988 Jeep Grand Wagoneer
Megasquirt EFI
: Heated Seats : Blower fix : Driving light brackets : Shorty headers : Coil Packs : Electric Fans
Prior Jeeps: 1997 Jeep Wrangler TJ, 1994 Jeep Grand Cherokee Limited
Other toys: 1930 Model A (Hotrod), 1997 Ford Probe Turbo, 2000 Jaguar XJ8, 2005 VW Touareg
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  #7  
Old 09-11-2018, 09:28 AM
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Probesport Probesport is offline
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Join Date: Apr 15, 2015
Location: Metro Detroit
Posts: 155
Pictures

Wired up the fans on the shroud



Pulled the old dist wiring to use as fan triggers from the Megasquirt







the relays are mounted in the side of the radiator support



All tidied up and working.

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Ken S.
Jeep toy: 1988 Jeep Grand Wagoneer
Megasquirt EFI
: Heated Seats : Blower fix : Driving light brackets : Shorty headers : Coil Packs : Electric Fans
Prior Jeeps: 1997 Jeep Wrangler TJ, 1994 Jeep Grand Cherokee Limited
Other toys: 1930 Model A (Hotrod), 1997 Ford Probe Turbo, 2000 Jaguar XJ8, 2005 VW Touareg
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  #8  
Old 09-11-2018, 05:43 PM
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Cliff Cliff is offline
327 Rambler
 
Join Date: Mar 30, 2002
Location: Upper East Tennessee
Posts: 691
Looks great! I would like to know a little more about your TBI and coil packs, if you wouldn't mind.
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1977 Cherokee S

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  #9  
Old 09-11-2018, 06:13 PM
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Probesport Probesport is offline
232 I6
 
Join Date: Apr 15, 2015
Location: Metro Detroit
Posts: 155
The coil packs were just completed tonight, more details in this tread http://www.ifsja.org/forums/vb/showthread.php?p=1695992
__________________
Ken S.
Jeep toy: 1988 Jeep Grand Wagoneer
Megasquirt EFI
: Heated Seats : Blower fix : Driving light brackets : Shorty headers : Coil Packs : Electric Fans
Prior Jeeps: 1997 Jeep Wrangler TJ, 1994 Jeep Grand Cherokee Limited
Other toys: 1930 Model A (Hotrod), 1997 Ford Probe Turbo, 2000 Jaguar XJ8, 2005 VW Touareg
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  #10  
Old 04-16-2019, 04:45 PM
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SmrtJustin SmrtJustin is offline
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Join Date: May 05, 2006
Location: Fort Wayne, IN
Posts: 75
I've been planning the same with Contour fans! You don't happen to have a drawing or dimensions for those brackets you made, do you? They look relatively simple, but I wouldn't be above cheating if you have the info handy!


Nice work!
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1989 Jeep Grand Wagoneer

360/727/NP208
Hell Creek 4" Lift
BFG All-Terrain T/A KO 32x11.5x15
CS-144, Rostra 250-1223 Cruise Control, SAE 3/4"-16 Oil Filter
EFI: DynamicEFI EBL Flash ECM, HEI with ECM timing control, ECM controlled EGR and CCP, in-tank EP386 fuel pump
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