I cannot find any information on ignition coil replacement options for the '09 JK? I have new NGK IX Iridium Spark plugs and a brand new set of zero resistance MPG Plus Spark Plug Wires by Granatelli. I have heard that the zero resistance wires will prematurly "burn-out" the stock coil. So what should I replace it with????
TDmaster
Zero Resistance? Only if the temperature were down to absolute 0. All conductors have resistance above absolute 0.
The OEM cables should be between 250 and 1000 ohms per inch of cable. This is to eliminate radio frequency interference. The Granatelli cables offer "0" resistance, with a "patented RFI Protector Ring" to suppress interference. They also say the cables won't void any powertrain warranty. This implies they won't damage your coils.
Can you test your new cables with an ohm meter and see what they are?
This sounds interesting.
The OEM cables should be between 250 and 1000 ohms per inch of cable. This is to eliminate radio frequency interference. The Granatelli cables offer "0" resistance, with a "patented RFI Protector Ring" to suppress interference. They also say the cables won't void any powertrain warranty. This implies they won't damage your coils.
Can you test your new cables with an ohm meter and see what they are?
This sounds interesting.
TDmaster, what part number did you use for the MPG Plus Spark Plug Wires by Granatelli? I am sort of interested in a set of these.
Thanks much.
Carl
Thanks much.
Carl
A spark is a spark. As long as it happens at the correct time and ignites the air/fuel mixture, you aren't going to see improvements by a more intense spark.
If you start to REALLY increase cylinder pressure, like you're trying to build a pro-stock motor out of your 3.7, or running another full atmosphere worth of air from a turbo, then you might find that the factory ignition has trouble, in which case a higher output coil and nicer wires may help. As it stands, you'd probably be better off buying some nicer floor mats, or perhaps a set of digital walkie talkies.
If you start to REALLY increase cylinder pressure, like you're trying to build a pro-stock motor out of your 3.7, or running another full atmosphere worth of air from a turbo, then you might find that the factory ignition has trouble, in which case a higher output coil and nicer wires may help. As it stands, you'd probably be better off buying some nicer floor mats, or perhaps a set of digital walkie talkies.
As an additional note, they (the Granatelli wires) are installed in my JK and I do not notice any radio noise/interferance at all, so those rings must really do the trick!
The Supercharger has been running fine all day as I put about 75 miles on it. There is a definite, sweet little whistle when declerating as the blow-off releases boost pressure. The JK has quite a bit more punchiness, and seems very quick to accelerate! Hope to find how much better my ET's are now, before the SDS, my fastest quarter mile was 16.69.
:cheers2:
The Supercharger has been running fine all day as I put about 75 miles on it. There is a definite, sweet little whistle when declerating as the blow-off releases boost pressure. The JK has quite a bit more punchiness, and seems very quick to accelerate! Hope to find how much better my ET's are now, before the SDS, my fastest quarter mile was 16.69.
:cheers2:
I tested plugs/wires/coils on my old GS1100 Suzuki a long time ago; I had a bunch dyno time available. All runs were with a Mac exhaust header/pipe and Belray dino oil.
All results were marginal but the best combo was Accel coil & wires with (and I'm not kidding) Splitfire plugs. I bought those plugs to disprove the hype...
This combo produced the highest overall hp by 3 and the overall highest torque by 5 footpounds. Fuel economy also went up over 10% after leaving the combo in and going for a 5000 mile roadtrip.
Let us know how it works out. I've gotten good results with NGK Iridium plugs in other vehicles.
All results were marginal but the best combo was Accel coil & wires with (and I'm not kidding) Splitfire plugs. I bought those plugs to disprove the hype...
This combo produced the highest overall hp by 3 and the overall highest torque by 5 footpounds. Fuel economy also went up over 10% after leaving the combo in and going for a 5000 mile roadtrip.
Let us know how it works out. I've gotten good results with NGK Iridium plugs in other vehicles.
The OEM LS2 GM Truck Coil is suppose to be a very hot coil. I wonder is it can be wired into our Jeep and function correctly. Those OEM coils on the GM LS engines support engines sporting blowers and turbos making in excess of 800+ HP
There ECU triggered the same as the Jeep coil. The only electrical spec that would have to be met would be the secondary coil resistance and impeedance value. Something to think about.
Any good spirial wound inductive sparkplug wire is an improvement over the carbon ribbon core.
BC
There ECU triggered the same as the Jeep coil. The only electrical spec that would have to be met would be the secondary coil resistance and impeedance value. Something to think about.
Any good spirial wound inductive sparkplug wire is an improvement over the carbon ribbon core.
BC
worked so well he drove away and never came back. :cheers: most these things would do so little on a box with wheels.
That and like everything else, a custom tune would have to be written to take advantage of the changes.
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