Got the jeep back yesterday. It's like a brand new jeep, so quiet .
Moved the roof rack back 7.5" as far as I could. Made a new windscreen. Taking angle measurements from the windshield was 44° .
Old windscreen was at 53° .
Matched it up to the windshield angle and moved the light bar below that.
After a quick test drive. It's a big improvement . No whistling from the light bar.
It's even much quieter at 65mph. No noise, unlike before.
Grabbed some new plugs, wire's, cap & rotor along with a new coil. Haven't ever replaced the coil since I've owned it.
Should help.
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