4.6L 4v Tech for the 4V Cobra motors and Mach 1

MSD coil packs

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Old 08-21-2006, 11:49 AM
  #11  
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Originally Posted by White_Snake
another reason i bought these was because, i still think my car is lacking something, so i upgraded wires, and it made a difference with it idles and runs.


i notice sometimes when i winding out gears, that i hear a wierd noise.
its not rythmatic, but like small poping...
that is why im changing stuff.

never hurts to upgrade ..right :2:
Does yours have a small stumble at idle? I can really notice it with the flowmasters... I tried my brother's coil packs and it has the same thing. New plugs, wires and different coil packs... not sure what it could be. Did it stock, does it now with a 'few' mods...
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Old 08-21-2006, 11:52 AM
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Originally Posted by Flynnt
Does yours have a small stumble at idle? I can really notice it with the flowmasters... I tried my brother's coil packs and it has the same thing. New plugs, wires and different coil packs... not sure what it could be. Did it stock, does it now with a 'few' mods...
no not really. idles smooth now since new wires..
when i took off teh old ones, i notice a small crack/cut in the wire.

it only stumbles when it is cold and i hit the 3250 mark when the butterfly valves open :1:
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Old 08-21-2006, 11:53 AM
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Originally Posted by White_Snake
no not really. idles smooth now since new wires..
when i took off teh old ones, i notice a small crack/cut in the wire.

it only stumbles when it is cold and i hit the 3250 mark when the butterfly valves open :1:
That would be your IMRCs sticking. I took my intake apart when doing the injectors and cleaned them. No more stick. :thumb1:
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Old 08-21-2006, 11:56 AM
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Originally Posted by Flynnt
That would be your IMRCs sticking. I took my intake apart when doing the injectors and cleaned them. No more stick. :thumb1:
i have cleaned them three time since i bought it last year.
once with seafoam, and twice with breaking the intake down, and hand scrubing them.
once the car is warm, it is fine. :2:
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Old 08-21-2006, 12:19 PM
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Ever replace the controller?
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Old 08-21-2006, 12:25 PM
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Originally Posted by Flynnt
Ever replace the controller?
no, i went to the dealship once to check into it.

it was some stupid price, amd he said tehy had never sold one.
so we figured they were never an issue... :1:
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Old 08-21-2006, 01:49 PM
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Mine had the same condition, only at idle though, really noticeable cold through the side-exit Borlas, nothing performance wise, pulled strong to redline. I was gonna change the original wires, but sold it before I got the chance, it also had those ghey Bosch +4 plugs, which may have contributed to the problem.
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Old 08-21-2006, 01:50 PM
  #18  
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I've heard that you should replace the controller when doing the cleaning but I didn't...


Where did you find the coils for that price with wires?

MSD-8241 right?
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Old 08-21-2006, 02:46 PM
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Originally Posted by Flynnt
I've heard that you should replace the controller when doing the cleaning but I didn't...


Where did you find the coils for that price with wires?

MSD-8241 right?
part #8241

yes that is the one.
i got it off a guy from SVT forums.
said it only had 100 miles on it.
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Old 08-21-2006, 02:59 PM
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Ah ok, used, makes sense. Best I could find was $73.88 US per coil...
I may order these soon, going to pick my shocks and struts up on Saturday probably...
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