07-25-2019, 10:34 PM | #239 | |
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Everything fits really well, and there are no issues with fitment on the skid pan. In case anyone is curious, I had these headers and the Nameless axleback muffled 5" track pipe (single exit), and it sounded pretty terrible. It was raspy and had a lot of drone. I previously used Tomei UEL headers with that same axleback and it had zero rasp. I ended up swapping back to stock muffler today. It has a but of a perhaps tinny or raspy sound, not that bad, but I guess that is what happens when you go catless. Does anyone know of a good exhaust that wont have any rasp and minimal drone to pair with these? Last edited by MilkyWitness; 07-25-2019 at 11:00 PM. |
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07-25-2019, 11:02 PM | #240 | |
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07-30-2019, 11:45 PM | #241 |
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Finished tuning with Bill today so I finally got to fill up with some e85. My budget didn't allow for dyno time so I'm sorry I can't provide any pretty graphs. My quick first impressions from are that power builds smoothly with a nice little surge around 5k, holding past 7k. I have little experience with other cars so take that for what it's worth. I'll try and provide better feedback once I visit the canyons this weekend. One thing I can definitely say is that I'll need better rubber to scrub off the newly added speed.
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08-01-2019, 01:17 AM | #242 | |
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08-01-2019, 01:01 PM | #243 | |
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Probably either your tune, or in your head by how it's delivering power. This is JDL's own testing of their 4-2-1 EL vs their UEL
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08-02-2019, 12:13 AM | #244 |
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I feel like the power delivery is much smoother than the UEL. It doesn't feel as fast by seat of the pants but I also feel like I rip through the gears faster so it probably is. Below 2.5k rpm i feel like its more doughy than the UEL however.
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08-02-2019, 10:18 PM | #245 |
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How many revisions have you had from delicious tuning so far on your header? Im still on their base tune waiting to hear back.
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08-03-2019, 07:10 PM | #246 |
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I did about 6 revisions, but the last 2 were right after they launched an updated 4-2-1 version. They've tuned a few now, so I'd guess that you'll have less revisions before it is spot on.
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08-04-2019, 12:09 AM | #247 |
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Still on base tune. It took me a little while to find somewhere I was comfortable doing the 3rd gear pull log. Hoping for a revision this week. Fuel trims aren’t too bad and there has only been one time my Iam dropped below 1 so it’s a reasonable base tune.
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08-05-2019, 12:24 PM | #248 |
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I would say that for me at least, what I feel actually matches that graph. The swell from 3500-4000 in the torque graph is the first push you feel from the car when getting on the power, and then a little before 5000 there is another little surge with power holding to redline.
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08-05-2019, 11:08 PM | #249 |
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Turns out I was on the Delicious Stage 2 not the JDL tune. I'll flash tonight and see if it feels much different.
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08-05-2019, 11:56 PM | #250 |
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08-06-2019, 08:56 PM | #251 |
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08-06-2019, 10:02 PM | #252 |
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Initial impressions are its a step above the stg 2 I had. Throttle response under 3k rpm is much improved. Power delivery is smooth. Will give further impressions once the tune has settled in and learnt what it needs to learn after a flash.
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