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Old 04-23-2008, 07:31 AM   #1
killbee
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Default Should I Add New COP's ?

I just got the Paxton HO installed on my 05 Gt and was wondering if I should add the MSD COP's to prevent spark blow-out? I know our stock system is pretty good but I wonder if these would be that much better for the $$.
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Old 04-23-2008, 10:02 AM   #2
hypersurf1
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Default RE: Should I Add New COP's ?

According to most the stock Coils are good for well over 600RWHP. If you are running the HT0 plugs gapped correct you shouldnt have any blow out issues.
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Old 04-23-2008, 10:43 AM   #3
zkiller
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Default RE: Should I Add New COP's ?

Quote:
According to most the stock Coils are good for well over 600RWHP. If you are running the HT0 plugs gapped correct you shouldnt have any blow out issues.
I had spark blowout at 10 PSI even with the HT0 gapped down so dont believe that for one minute. I have run OEM COPs, MSD COPs and Granatelli COPs to address this.
Granatelli COPs are the best of the three I have run. I have them on now but i also have a set of MSD COPs I can run. Either aftermarket COP relieved the spark blow-out completely but the performance was best on the GMS COps.
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Old 04-23-2008, 11:10 AM   #4
Dex
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Default RE: Should I Add New COP's ?

Why not? I have some extra Granatelli I may not need. PM me if you still want them,
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Old 04-23-2008, 12:03 PM   #5
moosestang
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Default RE: Should I Add New COP's ?

Quote:
ORIGINAL: zkiller

Quote:
According to most the stock Coils are good for well over 600RWHP. If you are running the HT0 plugs gapped correct you shouldnt have any blow out issues.
I had spark blowout at 10 PSI even with the HT0 gapped down so dont believe that for one minute. I have run OEM COPs, MSD COPs and Granatelli COPs to address this.
Granatelli COPs are the best of the three I have run. I have them on now but i also have a set of MSD COPs I can run. Either aftermarket COP relieved the spark blow-out completely but the performance was best on the GMS COps.
Can you feel spark blow out? What's the symptoms?
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Old 04-23-2008, 12:11 PM   #6
Dex
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Default RE: Should I Add New COP's ?

you can feel it. your car will hesitate
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Old 04-23-2008, 12:32 PM   #7
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Default RE: Should I Add New COP's ?

Will these add any power?
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Old 04-23-2008, 01:07 PM   #8
Dex
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Default RE: Should I Add New COP's ?

It can. more so on an FI car. I'll be doing some dyno testing on the granatelli's to see for myself
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Old 04-23-2008, 01:22 PM   #9
MustangGT0405
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Default RE: Should I Add New COP's ?

Very interested to see how that goes. For me to lay out $500 for them though they would have to make like at least 15rwhp, as that money can go toward alot of different things. I doubt it, but would love to be proved wrong.

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Old 05-02-2008, 06:52 PM   #10
RojoDojo
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Default RE: Should I Add New COP's ?

blah...... mistake.
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