lt1 flywheel
none of this thread makes sense, if it were the flywheel being out of balance than the vibration would occur at or around the same rpm regardless of gear/speed/rear end/horsepower/what you had for breakfast. If this vibration only occurs in 6th gear this leads me to believe that either A) the vibration does occur at a low rpm but in lower gears you don't spend enough time in the lower rpms to notice it B) it is a misfire that shows up under load ie 6th gear or C) it is transmission related
His doesn't vibrate because of high rpm or mph exceeding 70 its as soon as he puts it in 6th . He could go 110 in 5th no vibration, he puts It in 6th vibration. He could go 60 in 6th vibration occurs. Its his tranny its still stock and he's pushing 450rwhp and a 9in rear end. Stock trannys can't Handel all that and he also has 4.10s . Spoke to him on the phone and that is what we came up with. Really great guy
His doesn't vibrate because of high rpm or mph exceeding 70 its as soon as he puts it in 6th . He could go 110 in 5th no vibration, he puts It in 6th vibration. He could go 60 in 6th vibration occurs. Its his tranny its still stock and he's pushing 450rwhp and a 9in rear end. Stock trannys can't Handel all that and he also has 4.10s . Spoke to him on the phone and that is what we came up with. Really great guy
