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Author
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Topic: Plug wires are seem to hot ?
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Fastymz
Moderator Posts: 20708
From: Reno Nv USA M&M#1240
Registered: Apr 2001
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posted 08-24-2004 06:02 PM
   
How hot should my plug wires, coil and duraspark box be getting. After I drive the car and maybe sit at idle for a time. I notice the plug wires are so hot you can't even touch them. Is that normal ?
. Even if the water temp is only reading 180. I've always been told to hot let ignition parts get TO hot. what do you guys do to help keep them cool ?------------------
SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics [This message has been edited by Fastymz (edited 08-24-2004).]
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V8 Thumper
Gearhead Posts: 4652
From: Phoenix, Arizona
Registered: Dec 2001
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posted 08-24-2004 10:16 PM
I mounted my MSD 6AL box in my console's cubby. It took some doing, but it really cleaned up the motor compartment. My wires don't get hot at all though 
I do run ceramic coated headers... yours are painted, correct? That would account for some additonal under-hood heat, but I'd think that monster scoop would feed plenty of fresh air to the motor compartment.------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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whiteknight289
Gearhead Posts: 1391
From: Wheaton, IL, USA
Registered: Mar 2004
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posted 08-25-2004 12:56 AM
MSD instructions specifically state NOT to mount it in an enclosed space like a glovebox, the unit needs to throw off heat. Hope your console cubby is well ventilated!
Scott
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V8 Thumper
Gearhead Posts: 4652
From: Phoenix, Arizona
Registered: Dec 2001
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posted 08-25-2004 09:02 AM
Drive with the cubby door open.------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html [This message has been edited by V8 Thumper (edited 08-25-2004).]
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Fastymz
Moderator Posts: 20708
From: Reno Nv USA M&M#1240
Registered: Apr 2001
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posted 08-25-2004 12:56 PM
quote:
Originally posted by V8 Thumper:
I mounted my MSD 6AL box in my console's cubby. It took some doing, but it really cleaned up the motor compartment. My wires don't get hot at all though
I do run ceramic coated headers... yours are painted, correct? That would account for some additonal under-hood heat, but I'd think that monster scoop would feed plenty of fresh air to the motor compartment.
Yeah painted headers and I run my wires along the valve cover on the header side. They are far enough above the headers. But they still get real hot, so does my coil and I put it on the inner fender just in front of the head same with my dura spark box. When I get my MSD box I was thinking about mounting it under the dash ? As for the plug wires is thinking of getting some heat cover that side over them and put them in wire looms to hold them as far away from the motor and headers as I can. Todd, the scoop draws in plenty of air. But the hole in the hood is round and only a 1/4" bigger around then the air cleaner. So almost all of the air coming in goes to the carb very little gets to the motor. Was going after a ram air affect.
My electric fan blows a lot air right past the ignition box and coil. ------------------
SCOOP oddly obsessed with big scoops on little Mustangs 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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