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Old 15-09-2019, 11:59   #1
Jim Salter
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CoP Kit

Considering going with a CoP kit for the VII.

Have read a few didderent opinions on these.

Can anyone advise if going for a CoP set up is more beneficial over the standard set up.

Thanks
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Old 15-09-2019, 12:39   #2
mlau1294
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On a standard / Stage 1 car probably not worth it but if you're going more than that then you can certainly / should consider it; also 1 coil per cylinder has got to be of benefit, right..?

Anyway, that was my thinking when I fitted mine!
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Old 15-09-2019, 14:12   #3
Jim Salter
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Quote:
Originally Posted by mlau1294 View Post
On a standard / Stage 1 car probably not worth it but if you're going more than that then you can certainly / should consider it; also 1 coil per cylinder has got to be of benefit, right..?

Anyway, that was my thinking when I fitted mine!
Yeah, stage 1 is where I'm heading at the moment.

I have a CoP plate and actually like the aesthetics of it but would also like to understand the benefits.
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Old 15-09-2019, 19:22   #4
Tom Dick
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Donít waste your money, standard set up is well capable of looking after 500 bhp
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Old 15-09-2019, 19:24   #5
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Old 16-09-2019, 08:49   #6
TrickyDick
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I used the usual Denso cop setup for several years and it does allow wider spark gaps (better fuel burning claimed) and provides smoother idle. However always had issues of mis-fires when very hot on track and eventually was persuaded by tuner to go back to standard coils and smaller gaps (0.55mm for 1.8 bar 550hp) - its been much more reliable at temperature since then and I find changing plugs every few thousand miles keeps it smoother at idle too.
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