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04-14-2009
I have a 2001 Pontiac grand prix gt 3.8 Liter n/a and i recently changed plugs and put in ac delco rapid fires and msd 8.5mm wires. I had a lot of misfiring problems took out the ac delcos and put autolite iridium xp's in and everything was fine but what i wanted to know is if anyone noticed a difference when changing wires to msd.
04-14-2009
spark plug wires have no performance gain at all. i still run stock wires.
04-14-2009
well no calling u a liar cause your not the first person to say that, but my times show different and i havent lost any weight
04-14-2009
Originally Posted by Street Racer
Well there are a lot of other factors that come into play as far as why your times may have been different.
MSD's are one of the lowest resistance wires out there. There good wires. But I also run stockers. You can't beat the liftime warranty and 35 bucks for a set at your local auto parts store.
04-14-2009
the only good thing about the expensive, big wires are that you can rip them on and off your car nearly forever before you accidentally bend a contact or two, which you can usually repair with a needle nose pliers. stock ones will just straight up break.
04-14-2009
i got the prj's from their site. No, i didn't buy them because i thought my car would go faster. I bought them because im running cheap coppers and they need to be changed every 2-5k.
04-14-2009
well like i was saying i didn't expect a difference it just kind of happened. I was hoping someone could enlighten me with a possible explanation, but idk i had fun making them with that POS crimper tool.
04-14-2009
You made the MSD Wires? Could have bought them specifically for your car but I guess that works too...
04-14-2009
They still make AC Delco Rapidfire plugs?
04-15-2009
the only explanation is that your old wires were completely done.
04-15-2009
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