4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

coil on plug?

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Old 02-09-2008, 01:10 AM
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Sunadaime
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Default coil on plug?

The 96-98 cobras used a coil pack. what do the later models use and is there a way to make a 97 cobra use the same method? i think the 99 cobra uses the same engine just with coil-on-plug. same way with the gt i think. so how could i do the conversion.
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Old 02-09-2008, 03:16 AM
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tbirdscwd
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Default RE: coil on plug?

Yeah, probably. But you would most likely need a 99 cobra computer and wiring harness. Do you really want COPs that bad?
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Old 02-09-2008, 03:25 AM
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2000AZ5.0GT
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Default RE: coil on plug?

ORIGINAL: Sunadaime

The 96-98 cobras used a coil pack. what do the later models use and is there a way to make a 97 cobra use the same method? i think the 99 cobra uses the same engine just with coil-on-plug. same way with the gt i think. so how could i do the conversion.
The coil on plugs aren't worth it, the MSD version, which are the best you can buy are $380 for all 8, and they don't offer them for anything before 99'. Im not sure where the plugs are located on a 97 cobra, I'm used to older cars with distributors. You can buy the MSD 5 ignition control for $115.00, which is alot cheaper than the coil on plugs - OEM ford pieces sell them for $95 a pop, and weren't designed for the years preceding 1999.
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Old 02-09-2008, 03:28 AM
  #4  
2000AZ5.0GT
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Default RE: coil on plug?

Even the MSD 6A ignition, which is a great product, is only $70 more than the 5, I would stay away from coil on plugs
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Old 02-09-2008, 06:00 AM
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Sunadaime
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Default RE: coil on plug?

i was just gettting tryingto getit to clean up and make the front of the engine look good.
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Old 02-09-2008, 07:14 AM
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StangEatsRice
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Default RE: coil on plug?

People have done them before, you need some engine electrical knowledge but it can easyily be done. Is it worth it... probably not. If you are just a freak and what the cleanest looking engine bay...it's still not worth it. It is said that the cop's are a lot better with resistance for the spark and helps with the efficiency of the spark. It's not that big of a difference to be worth the swap IMO.
Heres a link that will help you out if you really want to do this.
http://forums.tccoa.com/showthread.p...cop+conversion
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Old 02-09-2008, 08:15 PM
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Sunadaime
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Default RE: coil on plug?

thanks
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Old 02-09-2008, 11:44 PM
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livefast1
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Default RE: coil on plug?

COPs give the most dwell time which intern produces the most voltage per spark of all ignition designs. thats why people with hi horsepower ls1s and 4.6s usually keep the stock COPs. but, the waste spark ignition is also a fairly effective design so for a performance standpoint there isnt much lost in the waste spark style. not worth the change imo.
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Old 02-10-2008, 12:40 AM
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Sunadaime
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Default RE: coil on plug?

ok but if i decide to do it i would need the harness and cops? as well as the msddis boxes?
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