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What spark plugs have been tried and trued for a NA PT???

 
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Old 21 Feb 2010, 07:20 pm
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Default What spark plugs have been tried and trued for a NA PT???

As the title states, I ran Bosch Platnum 4s when I first bought the car, they worked well, but I heard some horror stories about them burning so hot they caused piston damage. Last time round I ran the stock spec Champions and was not impressed. So what have people used to give them better gas mileage and acceleration?

Hmm, perhaps I should have changed this to the ultimate tune up thread.

I need to replace my air filter and spark plug wires as well. I used Crane Firewires with good results, but I can't find them anywhere for a reasonable price. And I have just been using Fram air filters. Any other suggestions for somebody looking for a little extra gas mileage and performance on a budget? (pertaining to these three components only please)
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Last edited by Ironman; 21 Feb 2010 at 07:46 pm.
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Old 21 Feb 2010, 07:51 pm
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Default Re: What spark plugs have been tried and trued for a NA PT???

Champion Double Platinum #7570 plugs
K&N filter
Granatelli Performance Ignition Wire Set
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Old 21 Feb 2010, 08:59 pm
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Default Re: What spark plugs have been tried and trued for a NA PT???

The company that manufactured Crane wires went out of business. As Crewzin said, Granatelli's are the ones many have used since.
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Old 21 Feb 2010, 09:05 pm
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Default Re: What spark plugs have been tried and trued for a NA PT???

Quote:
Originally Posted by Ironman View Post
As the title states, I ran Bosch Platnum 4s when I first bought the car, they worked well, but I heard some horror stories about them burning so hot they caused piston damage. Last time round I ran the stock spec Champions and was not impressed. So what have people used to give them better gas mileage and acceleration?

Hmm, perhaps I should have changed this to the ultimate tune up thread.

I need to replace my air filter and spark plug wires as well. I used Crane Firewires with good results, but I can't find them anywhere for a reasonable price. And I have just been using Fram air filters. Any other suggestions for somebody looking for a little extra gas mileage and performance on a budget? (pertaining to these three components only please)

I'm putting my Granatelli's on this week along with Denso Iridium power plugs and a drop K&N filter. The Granatelli's aren't cheap and I haven't tried them yet but they are some well built wires I was totally impressed with the feel and look of them. I was comparing them to my stock ones still on the car and they look like toy wires compared to the Granatelli's.
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Old 22 Feb 2010, 07:01 am
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Default Re: What spark plugs have been tried and trued for a NA PT???

Nothing wrong with the stock copper Champions - many use them on hopped-up turbos with fine results.
For a non-turbo, gap at 0.040.
Platinum or irridiums will last longer, but if you want to feel a spark plug change you'll be disappointed, unless your existing wires/plugs are bad.
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Old 22 Feb 2010, 11:12 am
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Default Re: What spark plugs have been tried and trued for a NA PT???

Wow, those Granatellis are spendy, anything in the $50.00 range??? And what about air filters? I eventually want to do a CAI on this thing, so spending money on the K&N drop in just seems like a waste of money. Anyway, has anybody had issues with the Bosch platinum 4s??? Those seemed to give me a bit of a boost in performance.
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Old 22 Feb 2010, 02:39 pm
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Default Re: What spark plugs have been tried and trued for a NA PT???

Quote:
Originally Posted by quicksilverdon View Post
Nothing wrong with the stock copper Champions - many use them on hopped-up turbos with fine results.
For a non-turbo, gap at 0.040.
Platinum or irridiums will last longer, but if you want to feel a spark plug change you'll be disappointed, unless your existing wires/plugs are bad.
Totally true.

I'll put my $50 MSD wires that I use on my 12 second SRT-4 Neon up against the more expensive Granatelli's any time.
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Old 22 Feb 2010, 05:53 pm
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Default Re: What spark plugs have been tried and trued for a NA PT???

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Originally Posted by Mean Green View Post
Totally true.

I'll put my $50 MSD wires that I use on my 12 second SRT-4 Neon up against the more expensive Granatelli's any time.
That would only be fair if you raced yourself first with one set and than with the other installed.
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Old 22 Feb 2010, 06:01 pm
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Default Re: What spark plugs have been tried and trued for a NA PT???

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That would only be fair if you raced yourself first with one set and than with the other installed.
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Old 27 Feb 2010, 12:07 am
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Default Re: What spark plugs have been tried and trued for a NA PT???

Personally I've had lousy luck with Bosch Platinums on anything I've used them on.
I put iridiums in my cruiser last year. Stock wires.
I had a #1 cyl misfire last fall that caused an intermittent idle shake.
I moved plug wires and coils to see if the problem followed. Still #1 missfire. Switched plugs on the same coil to see if the problem followed the plug.
Misfire went away and has stayed gone. Apparently one of the plugs didn't like firing backwards (waste spark system).
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