What trick do you use.....
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Burning Brakes
Joined: Mar 2001
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From: Plano Texas
What trick do you use.....
I am chasing a small miss in my 78 L48 and want to see if I can isolate it to one plug/cylinder. What trick do you use to remove the plug wire from the distributor while the engine is running and not get shocked?
Burning Brakes
Joined: Feb 2004
Posts: 958
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From: In the Beautiful Shenandoah Valley of VA
Several tool companies sell insulated pliers for just that task. I have good luck removing the wires at the distributor cap bare handed, although they can still pop you. Makes you jump on occassion, but shouldn't do any harm. 
Steve
Steve
Melting Slicks
Joined: Jan 2004
Posts: 2,527
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From: St. Petersburg, Fl///Columbus, Ohio
The First thing I'd do is look under the hood when it's dark....you'll see the spark if it's a wire..... a spray bottle with water will also help.
This Ignition tester from snap-on cost me $250.00 It reads Kv on each cylinder & finds bad/fouled spark plugs also!!
This Ignition tester from snap-on cost me $250.00 It reads Kv on each cylinder & finds bad/fouled spark plugs also!!
Race Director
Joined: Mar 2001
Posts: 11,322
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From: Living in the Hartland
Originally Posted by Mac78and2K
I am chasing a small miss in my 78 L48 and want to see if I can isolate it to one plug/cylinder. What trick do you use to remove the plug wire from the distributor while the engine is running and not get shocked?
Melting Slicks
Joined: Jul 2001
Posts: 2,609
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From: Massapequa Park NY
Originally Posted by Fevre
You can also try to hook up a timing light to each wire and see when it flashes, the cyl that is bad should light at the same time as the miss occurs. If you have an adj light make sure you set it to 0.
http://www.lislecorp.com/tool_detail.cfm?detail=357
Race Director
Joined: Jul 2004
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From: Scottsdale Arizona
[QUOTE=jcswm]The First thing I'd do is look under the hood when it's dark....you'll see the spark if it's a wire..... a spray bottle with water will also help.
QUOTE]
I've had great luck with the spray bottle of water. if th problem is insulation in the distributor or the wires, it'll light up like a Christmas tree when you spray it. A little shade or darkness helps isolate the problem.
QUOTE]
I've had great luck with the spray bottle of water. if th problem is insulation in the distributor or the wires, it'll light up like a Christmas tree when you spray it. A little shade or darkness helps isolate the problem.
