Big Motion
Member
looking to replace mine and i figure i should go ahead and upgrade from stock. looking for suggestions
favorite plugs and wires
- Thread starter Big Motion
- Start date
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Physh1
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NGK tr55's here...
Some sort of OE wire or Magnecor 8.5's.
Cameron
Some sort of OE wire or Magnecor 8.5's.
Cameron
Why do you recommend the TR55s over others...they're on the expensive side and I'm just wondering what the benefit is; not trying to be difficult 
Is there any benefit to getting expensive wires like MSD or just stick with ACDelco?
Is there any benefit to getting expensive wires like MSD or just stick with ACDelco?
slocaddy
Full Access Member
benefit to msd's is you can bend the boot (headers) otherwise stock is probably just fine and cheaper
Clemsonbloz
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ac iridium 41-110 is the oem plug.. the 5.3 seems to like the oem plugs
ILLEGAL REGAL
Full Access Member
I havent splurged yet but get wires from these guys
http://www.firecore50.com/ I think they run $105/set for the ls engines
all I've heard is raves over these on the smoother idle and just smooth rpm's throughout the power band. From mild street cars to 1000hp race motors guys are bragging about them.
here's a thread on them
http://www.ls1gto.com/forums/showthread.php?t=332441
as for plugs, I'm like NGK's or a factory ac delco replacement
http://www.firecore50.com/ I think they run $105/set for the ls engines
all I've heard is raves over these on the smoother idle and just smooth rpm's throughout the power band. From mild street cars to 1000hp race motors guys are bragging about them.
here's a thread on them
http://www.ls1gto.com/forums/showthread.php?t=332441
as for plugs, I'm like NGK's or a factory ac delco replacement
Arctic-Rodz
Full Access Member
I had some Taylor 10.4mm wires on my 08 Sierra's 5.3L. Looks bad ass cause you could almost jump start a car with em! haha
Stock. No need for upgrading unless you go boost or nitrous, or a head/cam package good for 7,000rpm.
Having accumulated millions of miles on my fleet trucks, my experience is that for longevity the stock plugs and wires are best. I've tried them all and there is no difference in performance on a mildly modded engine and, FWIW, the stock plugs looked much better with high mileage (electrode and all didn't have as much erosion) AND they were easier to break free when time to change. These are aluminum heads, having a plug seize and strip threads will really ruin your day.
Just my $.02.
Having accumulated millions of miles on my fleet trucks, my experience is that for longevity the stock plugs and wires are best. I've tried them all and there is no difference in performance on a mildly modded engine and, FWIW, the stock plugs looked much better with high mileage (electrode and all didn't have as much erosion) AND they were easier to break free when time to change. These are aluminum heads, having a plug seize and strip threads will really ruin your day.
Just my $.02.
