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RCSB 5.3L 8spd?

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Old 10-07-2016, 08:31 PM
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Yeah I'm going to the dealer 2morrow and see about buying me a new 2016 TCSB 5.3 with 3.42 gears A6. Gonna gear it up to a 4.10 tho lol
Old 10-08-2016, 11:54 AM
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That's like having a 6.66 with a 4l80. I love the 3.42s actually.
Old 10-08-2016, 12:31 PM
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I think the first mod should be a 6.2 longblock or 6.2 pull out.Time and time again folk mod $300-$700 at a time and before they know it they are $5k in.
Old 10-08-2016, 12:45 PM
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Originally Posted by ZO6Ted
That's like having a 6.66 with a 4l80. I love the 3.42s actually.
Im with you,great gear for lite truck

Last edited by gonzo 6.2; 10-08-2016 at 12:58 PM.
Old 10-08-2016, 03:52 PM
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My 5th gen camaro went 11.91 with 3.27 gears 6L80E, then did 3.91 gears it went 11.67 and 2mph. 4:10s should be good IMO
Old 10-08-2016, 05:23 PM
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I want these in the rear of mine...

GM 9.76 Gear Ring & Pinion - 4.10 Ratio
Old 10-08-2016, 06:06 PM
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Originally Posted by wuznme
I want these in the rear of mine...

GM 9.76 Gear Ring & Pinion - 4.10 Ratio
Need carriers though so you can toss the gov lock in the trash lol. I might do 3.73 in mine if I could swap a Detroit Locker in... But those will never exist so I just forget about it lol.
Old 10-08-2016, 08:36 PM
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I know! Sucks! I've been looking for a 3.73 rear from a 5.3 Truck.
Old 10-08-2016, 09:51 PM
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Honestly just swap a 9.5" from a regular 5.3 truck in it... The parts from the old 9.5" 14 Bolt work in those and it's not like this stupid 9.76" rear is any stronger in a way worth mentioning... Thank you GM for creating some retard low use rear end no one will ever make parts for.
Old 10-08-2016, 10:29 PM
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Don't get me wrong I love my truck but with the vibration and the aftermarket taking so long I probably should've done something different. Since its blown now Ill just make the best of it. Not gonna do major mods though. Ill do that on an earlier model when the time is right and just enjoy this one being a daily. Eventually get the vibration gone and enjoy it even more or just stay either side of 72 mph lol.


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