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08-27-2011, 05:56 AM
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CC Member
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Join Date: Jul 2004
Cobra Make, Engine: 347 Stroker Morrison Injection. Registered.
Posts: 1,440
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Not Ranked
Good work Boxhead, I reckon 1 bar looks heaps better than 2. Make sure you post some pic's of the fans in position.
Regards.
__________________
Mando
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08-27-2011, 03:11 PM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,445
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Not Ranked
Damn nice work...simple and clean.
By the way, with regard to your sig line...please remember that the ark landed on Mt. Ararat, which is in Armenia.
We invented everything...Greeks and Turks steal.
...just sayin. 
__________________
Jamo
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08-27-2011, 03:58 PM
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CC Member
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Join Date: Mar 2001
Location: Cinnaminson,
NJ
Cobra Make, Engine: Cobra Fibercraft Bodies 427 S/C, 351W disguised as a 427.
Posts: 391
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Not Ranked
The original fans are very inefficient even if they DID have a shroud around them when compared to modern fans of the same diameter. Still, they represent "original" and look good but that's about as far as they go. In addition to the original fans, I mounted a SPAL 16" puller fan on the rear of the radiator and that does a good job keeping the motor out of trouble even on the hotter days. I also use a thermostatic sensor in the radiator fins for the fan to come on automatically at 195* and a manual override switch on the dash just in case I want them turned on sooner. OH, I have things wired so all fans come on at the same time. Thus far I have been more than satisfied with the performance. I originally mounted the fans so the center of the fan was approximately halfway up the radiator. The fans appear to be higher because the radiator is tilted backwards so the fans are actually pointing somewhat downward. The motors are to the outside with the fan blades closer to the radiator.
__________________
Political correctness is a doctrine, fostered by a delusional, illogical minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."
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08-27-2011, 04:15 PM
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CC Member
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Join Date: Jul 2004
Cobra Make, Engine: 347 Stroker Morrison Injection. Registered.
Posts: 1,440
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Not Ranked
I may be missing something but if the motors only turn in one direction why not simply turn the fan around? 
Regards.
__________________
Mando
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08-27-2011, 04:48 PM
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CC Member
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Join Date: Apr 2006
Location: Mildura,
vic
Cobra Make, Engine: FFR Coupe, 416ci of LS goodness
Posts: 2,349
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Not Ranked
Looking good Dave, very nice.
I think Andy may be off the hook for the 'heaviest cobra' cobra award though 
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Powered by Cu
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08-27-2011, 04:54 PM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
 there is at a guess3 - 4 kg in the brackets and fans.
If I was worried about weight, I could drop alot of kg and still be heavier than you.
__________________
Cruising in 5th
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Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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08-27-2011, 07:55 PM
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Club Cobra Member
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Join Date: Dec 2002
Location: Penn Valley,
CA
Cobra Make, Engine: Purchased CSX3225 in 1968 for $4,995. Original 428 car but changed to 427 MR about 20 years ago.
Posts: 238
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Not Ranked
I know some cars came with two fans but my original car came with only one fan in the middle. The car would overheat in heavy traffic. I added a second fan like shown which solved the problem. I now have a large puller fan in back of the radiator which works even better. I had trouble with the fan blades breaking when I was driving the car about 12,000 miles per year. I think I had to replace the fan blades about 4 times in 60,000 miles.
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08-28-2011, 05:58 AM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
I managed to finish the fit up of the fans this arvo.
As time permits I will pull them off and paint the motors black.
Here you can see how I mounted the frame to the chassis.
And in place.
__________________
Cruising in 5th
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Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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08-28-2011, 06:02 AM
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Senior Club Cobra Member
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Join Date: Feb 2005
Posts: 651
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Not Ranked
Quote:
Originally Posted by rms427
I know some cars came with two fans but my original car came with only one fan in the middle. The car would overheat in heavy traffic. I added a second fan like shown which solved the problem. I now have a large puller fan in back of the radiator which works even better. I had trouble with the fan blades breaking when I was driving the car about 12,000 miles per year. I think I had to replace the fan blades about 4 times in 60,000 miles.
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rms427,
Nice car!!
Regarding the cracked fan blades; All blades on the pair of fans I removed several weeks ago showed small cracks.  I have about 14,000 miles on the car.
David |
08-28-2011, 06:16 AM
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CC Member
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Join Date: Feb 2006
Location: Paradise Point,
Qld
Cobra Make, Engine: Absolute Pace
Posts: 1,205
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Not Ranked
I need to get a pair of blades, wre is the best place to get them?
Australia would be great.
Phil
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Not all driveways reach the street!
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08-28-2011, 10:53 AM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,445
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Not Ranked
Boxhead, my highest praise...mucho muy goodo.
__________________
Jamo
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08-28-2011, 02:53 PM
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CC Member
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Join Date: Jun 2007
Location: Sunshine Coast Qld,
QLD
Cobra Make, Engine: Harrison # 80; Ford 5.0L HO Trickflow heads, cam and rockers and MassFlow EFI
Posts: 3,482
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Not Ranked
Dave, by the look of that radiator, those fans will also be good bug slicers! May also deter local 'roos.
__________________
Merv
Ford Cobra
Harrison #80.
Peregian Beach
Sunshine Coast Qld.
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08-28-2011, 05:17 PM
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Stolen Avitar
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Join Date: Oct 2004
Location: Brunswick,
GA
Cobra Make, Engine: BDR 1311 428PI
Posts: 3,044
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Not Ranked
Boxhead, I don't know if now is a good time to mention this but there was a reason that I went with 2 cross bars holding the top and bottom of the motors. Mine is the first car in post #5 BTW (BDR687). The guy that I originally bought the motor/fan setup from had only a top bar like yours but it was fairly flimsy feeling. When I mocked them up>1" from the radiator it really seemed that If I were to lean on the car (which I do) that the fans might contact the rad core. I don't know what's original and what's not but that's why I added the second bar. Just thought I'd mention it.
Steve
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08-28-2011, 05:55 PM
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CC Member
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Join Date: Apr 2006
Location: Mildura,
vic
Cobra Make, Engine: FFR Coupe, 416ci of LS goodness
Posts: 2,349
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Not Ranked
I wouldn't worry about the second bar Dave, with the way you have built it I would think using it for a tow hitch would be ok too!!
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08-28-2011, 06:56 PM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
Hi there Steve, the construction is pretty solid, I grabbed it with both hands and yanked forward and backward, I thought the car was going to fall off the hoist, but the fans did not move.
Cheers Gav, she aint moving alright
__________________
Cruising in 5th
---------------------------------------------
Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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08-28-2011, 07:04 PM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
Oh man, a mates son just commented when he saw a picture of my Cobra with fans in place "Daddy, why did that man put Towmaters teeth on his cool car"
__________________
Cruising in 5th
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Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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08-28-2011, 07:26 PM
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CC Member
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Join Date: Jan 2001
Location: Sunbury,
VIC
Cobra Make, Engine: Rat Rod Racer, LS1 & T56
Posts: 5,391
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Not Ranked
I think your car has just got a new name. We'll have to call it Mater from now on. 
__________________
Mike Murphy
Melbourne Australia
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08-28-2011, 07:31 PM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
May as well, I too have Maters teeth.
__________________
Cruising in 5th
---------------------------------------------
Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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08-28-2011, 08:35 PM
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CC Member
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Join Date: Sep 2004
Location: Canberra,
ACT
Cobra Make, Engine: G-Force Cobra '68 302, T-5, Jag 3.77 LSD.
Posts: 993
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Not Ranked
Quote:
Originally Posted by Philm
I need to get a pair of blades, wre is the best place to get them?
Australia would be great.
Phil
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Phil, they look like comercial aircond condenser fans to me. They come in many sizes. Try Actrol, Lovelocks or any comercial aircond supplier.
Is this where you got yours Dave?
__________________
SLIPRY
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08-28-2011, 09:29 PM
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CC Member
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Join Date: Feb 2002
Location: Alice Springs, central Australia,
NT
Cobra Make, Engine: Classic revival kit (CR3181), gen III engine, T56 6 speed box, AU XR8 lsd diff
Posts: 5,699
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Not Ranked
I got mine from Baz earlier this year.
Same as what Finishline sell.
__________________
Cruising in 5th
---------------------------------------------
Never be afraid to do something new, Remember, Amateurs built the Ark: Professionals built the Titanic.
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