Plug Wires

How Many Passes Are MSD Wires Good For On A Hemi With A 44. Black Wires If That Makes A Differnce. Having Probs Keeping The Cylinders Lit Mainly 5-7-8. Checked everything else thats the only thing that I can think of.... Thanks For Any Help.....

 

Ohm the wires and see if they are over 50 ohms per foot
what are you gapping the plugs at ? If the plug gap is too wide the spark will go out when the boost goes up.

 

I would just ohm them...went thru something similar with a set of NEW wires...don't try to put a number of passes on them...sometimes they fail...also remember that coil wire fires 8 times more than the plug wires......

 

Wires

Im gapping at 16. The ohms are 50 by the ft is that correct.....The prob is getting worse leaned on the cyl individually in ref to the temps but they have fell of about 400 give r take.....

 

We fought plug wire problems the whole time we were running MSD wires.......ends falling off while doing between round maintenance, dropping cylinders due to a multitude of different plug wire issues. We got to the point where we just thought constant plug wire hassles were a part of racing, we even bought the trick MSD plug wire pliers. One day I opened the hood on an car I had & there was a BBC that I had built originally 20 years ago. On the big block was a set of Moroso Blue Max wires which I bought when I originally built this the engine and I never had one issue with them. It was one of those "hmmmmm, am I missing the obvious here?" Granted they weren't getting blasted by a ProMag 44 but they hadn't exactly had an easy life. So the next set of wires I bought were Moroso, I didn't think we had much to lose. That was over three years ago and there has been zero problems............all those spare parts are gathering dust. We've ohmed them out a couple times and talked about changing the coil wire. But other than use the brake clean trick when putting them back on the plug and abuse them we haven't done anything.

Joad Donnelly

 

Joad

Educate me on the break clean ??? Thank U.

 

It's when the company lays-off all the cleaning crew and they expect you to clean up after yourself in the break room.

Now for the real answer............we spray a shot of brake clean into the plug boot just before installing it. It gives it enough lubrication to let the boot slide on easily (very easy to feel a solid "click") but then dries out & actually helps lock the boot in place. We used to use the type of lube that MSD recommends but the brake clean trick works much better.

Joad

 

wires

I am not bad mouthing anything, but years ago I put a set of Moroso Blue wires on my injected alky dragster. On the 3 week we ran it @ night. It looked like a light show @ a concert.Just saying, there can be a problems with anything you just have to try different things and settle with what makes you happy. or works for you. Don

 

Magnecor

We have been using Magnecor wires with good results. Thought the MSD wires failed too often. www.magnecor.com

 

Put a new coil on it, although they test "good", many times you put a brand new one on and pesto problem solved. Moroso has a new set of tubes out for the pro mag setup, supposed to perform better than the MSD.

Brandon Booher
NHRA TAD #35

 

Moroso Wires

A few years ago I wrote Moroso asking if there Ultra 40 wire would work with a magneto ignition, this is there response.
I don't know what their position is now.

Scott,

Ultra 40 would be fine.
The problem is a simple one. The folks that are worried about spiral core
wires may be right in some cases for some brands. The higher the amperage
the more heat that can be built up due to the wires resistance, the result
is typically a broken conductor and a dropped cylinder. I must stress that
NOT all wires are the same. Don't be intimidated though. I prefer not to
put other products down, I'd rather give you a little more information.

Solid core is always an option for low-voltage, low-amperage situations.
What gives it the advantage there is the lack of resistance provides better
conductivity between the magneto and the plugs. You'll see this wire used
on breaker point ignition applications as well as some Vertex or older
Mallory mags. The problem with a solid core wire is the lack of suppression
necessary to keep the RF down and allow today's data acquisition to work
properly.

Ultra 40 is the right balance and should be the best choice for your
application.
It can be used on everything from a breaker point distributor all the way to
today's MSD magnetos. The construction is complex, so I won't bore you with
terms, but the premise is simple, it transfers the most energy possible.
So, go ahead and put the set on your engine.

If you have time, you can find additional details regarding plug wires on
our website; www.moroso.com.

Thanks for your interest in our products!

 

I tend to agree with you Mike, I have a hard time believing MSD wires wouldn't be as good as any of the others out there. When we were running the MSD wires I would agree that three sets of wires a season would be believable. We did buy the plug wire crimping tool from MSD........so we could repair the repeated failures of the plug end of the wire which was the factory crimped end from MSD.

I'm not hear to bad mouth a product and have nothing to gain by telling people the success we've had with the one set of Moroso wires we've been running the last three years. I just know how frustrating it was dealing with our never ending plug wire issues in the past and it has been nice not having to mess with them. Just saying what is working for us at this time.

What is this cleaning plug wires you speak of?! Maybe that is our secret to our good luck with the Moroso wires........just let them get saturated in Redline racing oil & let the grunge build up to form an extra layer of insulation! lol Seriously, they've never been cleaned once........you can't even tell they were blue at one time.

Joad