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9Cobra9
11-21-2007, 09:44 PM
i have a 99 cobra and i want to tune her up this winter what kind of spark plugs would be the best to get and i would like to go with some msd coil packs. Is that the best choice and where can i find some coil packs i looked in summit but all they was for the GT. Are they both the same or what? Thanks and let me know somethin:thumbsup:

97PGCobra
11-21-2007, 11:14 PM
Sleeping for the winter???? I didn't know it was ever awake, lol. jk. BOY:banana::rotf:;):spoke::retard:

97PGCobra
11-21-2007, 11:16 PM
Come getcha some........:baby:

nckissfan
11-22-2007, 02:42 AM
I have read the MSD coil packs, or any other aftermarket don't do much difference. Most people say they are a waste of money.

auto-xr
11-23-2007, 01:24 PM
I went with Champion Platinums. Worked great.

99RedCobra
11-28-2007, 10:57 AM
don't use any platinum plug i've burnt them up personally, i suggest either ngk plugs or just use factory motorsport plugs. they will usually last up to 90k :thumbsup:

whitestang04GT
11-29-2007, 03:08 PM
We use NGK Iridiums & ScreaminDemon coil packs with live wires.

99RedCobra
11-30-2007, 06:19 PM
does screamin demon make coils for 99and up cobras?

brkntrxn
12-28-2007, 10:00 PM
The coil packs on the 99-04 Cobras will support a LOT of horsepower. Don't spend the money on them if they are not broken. There are plenty of 500-700hp Cobras running around with stock COPs.

ProfChaos
01-04-2008, 04:05 AM
I had problems with Advance Auto Parts and other local parts stores locating enough plugs for a 4.6L DOHC Cobra (one store only had six plugs and another tried to sell me Mustang GT plugs), so I just went to a Ford dealership and got OEM plugs (Autolite). That way, I was sure to have the correct diameter and thus avoid the risk of possibly buggering-up the aluminum threads on the heads.

blk04cobra1
01-04-2008, 10:27 AM
NGK plugs and I wouldn't worry about your COPS's unless you're having some issues that you have not stated...the stock COPS will be just fine :thumbsup: