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Old 06-17-2012, 12:06 PM   #21
drummer829
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I had the 103's and after i installed them sometimes when i go to turn on the car, it doesnt start right away. I was going to buy a new set and gap them at .055 instead of .06 and see if that makes a difference. But i wasnt sure what the big difference between the 103's and 104's were
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Old 06-19-2012, 02:49 AM   #22
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The not starting right away is a common problem. Turn the key to run, put on your seatbelt, check your mirrors then crank it up. I bet it starts right away when you let the fuel pump run and build up pressure.
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Old 06-19-2012, 01:35 PM   #23
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So with no mods are 103s our 104s better? I don't plan to do anything other than a drop in k&n otherwise
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Old 06-19-2012, 06:52 PM   #24
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103's are one step colder for turbo or high performance engines,but work fine in a stock engine. 104's are for stock engines. I went with 104's because the store didn't have 103's in stock. I have noticed the same performance gains as those running 103's.
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Old 06-19-2012, 08:06 PM   #25
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What do you gap these at?
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Old 06-19-2012, 09:57 PM   #26
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Just buy the 104's .. gap them at 0.065 and buy plus gas if you have an exhaust, 65mm throttle body and exhaust.
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Old 06-20-2012, 12:07 PM   #27
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I believe they are at .055. I was gonna give them another try as maybe I messed up the gap on one. Only like $8 haha
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Old 06-21-2012, 02:45 AM   #28
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0.06 is the optimal gap for extra air plus higher octane gas
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Old 06-21-2012, 03:11 PM   #29
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Are all of you guys runnin' 93 octane?
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Old 06-24-2012, 03:07 AM   #30
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No, I'm just running 87. My plans for a tune have kind of gone out the window so I'll be sticking with 87 for the foreseeable future. Why?
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