03-14-2019, 11:30 AM
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#41
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Drives: 2018 Camaro SS 1LE
Join Date: Aug 2018
Location: Tampa Florida
Posts: 1,980
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Revs
Quote:
Originally Posted by DaveC113
The noises and vibrations you get using 6th at 45 mph is lugging.
It's shockwaves going through the bottom end of the motor and is very bad for pistons, rods and engine bearings. It's a result of insufficient piston speed after ignition, when the air/fuel charge is detonated by the spark plug it wants to expand, and if it can't push the piston out of the way fast enough you get that sound and vibration as a result. Some motors are more effected by lugging than others, i.e. air-cooled VW motors hated it and American V8s tend to be more difficult to damage by lugging, but it's possible and the owner's manual warns against it specifically.
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I figured they were not good but I'm trying to be civil with the guy arguing that it isn't. I didn't know exactly where the lugging point is or isn't, but either way I try to shift into 6th when above 50 mph because the vibrations are both unsettling/annoying and seem possibly damaging to me. Usually try to shift between 1500-2k to be safe.
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2000 Miata - aventi storm wheels, roll bar.
2019 Mustang GT pp1 - svt pp2 wheels, mbrp cat back, sync 3 upgrade, p1x procharger + stg2 intercooler.
2018 Colorado zr2 - zr2 sport bar, showcase spare tire.
2018 Camaro SS 1LE - GM cai, black bowties, suede knee bolsters, 1le plate frame, black fuel door, dark tails + 3rd brake light, euro side markers + led's, GM all weather floor mats, velossatech big mouth, GM strut brace.
2017 Corvette Grandsport (sold) - untouched.
2006 GTO (sold) - iat relocation, air box mod, monero side marker lights.
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