Tips for crimping Spark Plug Wires - Team Camaro Tech
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post #1 of 14 (permalink) Old Jan 23rd, 07, 11:14 AM Thread Starter
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Lee
 
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Tips for crimping Spark Plug Wires

I bought some 8.5 MSD wires that require me to cut and crimp them to the proper length. I have never done this before so I was hoping for some tips to make sure I do this right. The wires came with the MSD crimper tool. Does anyone have a nice how to guide or something with some pictures in how to do this?

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post #2 of 14 (permalink) Old Jan 23rd, 07, 11:58 AM
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Re: Tips for crimping Spark Plug Wires

I coulda sworn I did a pictoral post on this once, but I can't find it.
I do have the pics on my pc at home tho. If someone can find it, link it here?

Taylor sells a crimping tool, summit part #TAY-43395. You clamp one half in a vise, put the terminal and wire in the groove, set the other half on top and beat it with a hammer. Tight solid factory style crimp, for 14 bucks. Get one. Don't even think about not getting one.

And then I read further... you have the tool!

The side with the lip hanging down, clamp the lip in the vice with the open end of the tool up.
The tool should have a hole in it, with a slot above the hole. Slide the wire in, put a razor bvlade in the slot and twist the wire. This will perfectly strip the insulation off the core.
Bend the insulation back along the wire, and place it in a terminal. Set it in the groove in the tool, fit the top part of the tool over it, and beat it with a hammer.





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post #3 of 14 (permalink) Old Jan 23rd, 07, 02:13 PM
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Re: Tips for crimping Spark Plug Wires

Here are the instructions for the MSD crimper that most likely came with your wires. Found it on their website.

http://www.msdignition.com/pdf/3503_frm%2024893.pdf
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post #4 of 14 (permalink) Old Jan 23rd, 07, 03:15 PM
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Cool Re: Tips for crimping Spark Plug Wires

I just did the same thing..

You gave good advice guys, but you forgot to mention the secret to getting the boots on..

Can of Silicone spray.. $3.99 any local autoparts or hardware store.
The silicone dries very fast, so use plenty.
The trick is to spray the boot and wire casing.
Slide the boot on first, then crimp per Jim's instructions above.
After the metal end is on tight, spray more silicone on the wire and boot to easily slide the boot over the connector.
Try putting a boot on with, and without using Silicone, so you can experience the difference.
( you can thank me later for this tip)

I had extra connectors and used my first cut as a practice piece.
If you don't have extra connectors, and have never done this before,
it might be worth a stop at NAPA for some cheap connectors to practice on.
You need to hold the crimp tool just right before you ..."....beat it with a hammer."
Practice helps keep the blood and tears off your new wires.

My MSD kit, also gave me a little packet of dieletric grease.
Use a Q-tip to coat this on the inside of the boot.
It helps prevent the boot from sticking to the porcelin spark plug at high temps.

BTW - Start with your longest wires (1 & 2), work your way back.
Have your wires looms installed before starting.
Good Luck

Last edited by Ghostbuster; Jan 23rd, 07 at 03:28 PM.
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post #5 of 14 (permalink) Old Jan 23rd, 07, 04:21 PM Thread Starter
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Re: Tips for crimping Spark Plug Wires

Thanks for all the good tips guys. I came accross that PDF of MSD's website after I posted this. You cant beat tips from experience though.

So if you use a vise to crimp them, do you not need to hammer? If so does the same hold true vise versa, or are you using the vise to hold the crimper steady before you hammer it?

Right now I have my wirelooms on and have the wires ran to the spark plugs so I can measure you my correct distance. I figure I'll measure and cut it this way one at a time, then pull the wire out and crimp the terminal then reinstall it.

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post #6 of 14 (permalink) Old Jan 23rd, 07, 04:50 PM
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Cool Re: Tips for crimping Spark Plug Wires

I just used the hand crimp tool. (2 hands and a knee).
I did not use a hammer or vise.
They do make "crimp blocks" that fit into the jaws of a vise.
That way you just hold the wire in place and spin the vise closed.

..and YES. do one at a time.
Murphy's law #268
The guy who cut's them all first, is the guy who dorks up the first crimping.
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post #7 of 14 (permalink) Old Jan 23rd, 07, 04:53 PM
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Re: Tips for crimping Spark Plug Wires

Quote:
Originally Posted by Ghostbuster View Post
Can of Silicone spray.. $3.99 any local autoparts or hardware store.
The silicone dries very fast, so use plenty.
The trick is to spray the boot and wire casing.
Slide the boot on first, then crimp per Jim's instructions above.
After the metal end is on tight, spray more silicone on the wire and boot to easily slide the boot over the connector.
Try putting a boot on with, and without using Silicone, so you can experience the difference.
( you can thank me later for this tip)
You can also use a tube of dielectric grease from the electronics store. Lastsa longer than spray silicone.

Also suggest to use the Moroso crimp tool, or any crimp tool with the W-crimp.

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post #8 of 14 (permalink) Old Mar 16th, 07, 06:22 PM
 
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Re: Tips for crimping Spark Plug Wires

I'm also having a problem with my gm spark plug wires. This thread has great info and I got some tips on how to do it. I'll be doing this weekend. I hope I can do it right.
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post #9 of 14 (permalink) Old Mar 16th, 07, 06:53 PM
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Re: Tips for crimping Spark Plug Wires

Been a while but if I recall correctly you are supposed to avoid nicking or damaging the center wire. I found the easiest way to cut some of the insulation away was to bend the wire back over itself and make a small cut on the outside of the bend with a razor blade, then reverse the bend and make another small cut. Sometimes have to bend the wire 4 ways or less but by bending the wire when you make a small cut the pressure causes the cut to open farther.

Just a little tip if you are anal about not cutting the wire and/or relying on a cutting tool.


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post #10 of 14 (permalink) Old Mar 16th, 07, 07:36 PM
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Re: Tips for crimping Spark Plug Wires

sorry guys





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Last edited by JimM; Jan 4th, 10 at 06:56 PM.
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post #11 of 14 (permalink) Old Mar 16th, 07, 09:00 PM
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Re: Tips for crimping Spark Plug Wires

I have an old mallory grimp tool (plier type) and stripper that is like a pencile sharpener. Bought it 20 or so years ago for about $20.00.

I buy good black wires from NAPA or Car Quest. I then pull the boots back, remove the terminal and cut the wires to the leanght I need/want. Why you ask? I don't like wires hanging around all sloppy and too long. The crimp tool and stripper work great.

As Everett said some diaelectric grease goes a long way. Had the same tube for years.

Good Luck.....

Joe

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post #12 of 14 (permalink) Old Mar 16th, 07, 09:16 PM
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Re: Tips for crimping Spark Plug Wires

cool info. I hope to use this advise very soon!

Armando

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post #13 of 14 (permalink) Old Mar 16th, 07, 09:42 PM
 
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Re: Tips for crimping Spark Plug Wires

Great pics Jim, that makes me wanna buy a new set of wires and give it a whirl..
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post #14 of 14 (permalink) Old Mar 19th, 07, 05:27 PM
 
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Re: Tips for crimping Spark Plug Wires

great info.. it helps a lot..
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