12-18-2012, 04:32 PM | #57 | |
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12-18-2012, 06:59 PM | #58 | |
Drives: 2023 BMW M4 Competition Join Date: Dec 2012
Location: USA
Posts: 657
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I don't see how calibrating your a speedo would have an effect on your powertrain especially with a device specifically designed to calibrate the speedo only. |
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12-18-2012, 08:09 PM | #59 | |
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12-18-2012, 10:07 PM | #60 | |
Drives: 2023 BMW M4 Competition Join Date: Dec 2012
Location: USA
Posts: 657
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12-20-2012, 11:26 PM | #61 |
Drives: 2013 2SS Blue Ray Join Date: Nov 2012
Location: Illinois
Posts: 41
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I had a stock Formula in 1987, with a rare 3.73 gear option from the factory with a 350 tuned port injection and the car was freaky fast for the era. Rear end gears help a LOT. I would love to get another 3.73 with my 5th gen. It would make a difference.
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12-24-2012, 03:08 PM | #62 |
ROCK
Drives: 2013 ZL-1 TRIPLE BLACK VERT Join Date: Oct 2012
Location: DENVER COLORADO
Posts: 609
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DANHR
THANKS FOR THE INFO FROM U AND EVERY ONE SPOOKYGUNNER
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WHEN ONE AMERICAN IS NOT WORTHY TO BE FOUND...THEN WE AS AMERICANS HAVE LOST. POW/MIA YOU ARE NOT FORGOTTEN
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12-25-2012, 11:30 PM | #63 |
NJ/SoCal HT5 COTW 3/25/12
Drives: 2015 Z06/14 C7/08 Z06/07 Tahoe Z71 Join Date: Nov 2011
Location: South Jersey & SoCal
Posts: 1,961
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Now that the 1LE has the 3:91 gears, I can't see why the dealer can't install then, while still maintaining the powertrain warranty, but then again like most have said I guess it depends on the dealer, but it's worth a shot.
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12-26-2012, 11:02 AM | #64 | |
Drives: 2023 BMW M4 Competition Join Date: Dec 2012
Location: USA
Posts: 657
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I had 3.73's installed in my 12 5.0 ( a factory option)and the dealer was cool about the overall powertrain warranty but if I had any issues with my rear end it would be on my dime... Also make sure to find someone that knows what they're doing with gear installs. Ive had it done by so call experience professionals (one a dealer)and both times they made noise loud enough to hear over the radio. |
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06-27-2013, 11:24 AM | #65 |
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Many thanks to danhr for this thread. I have a couple of questions as a result of all this good info.
1. So... the stock/factory gears in my 2013 SS L99 Coupe are 3.27s? 2a. Assuming the answer to #1 is yes, if I want "quicker" 1/4 miles times I should go to 3.47s or 3.73s? 2b. Which gears are optimal for increased times with excellent reliability? 3. For highway cruising (I take frequent trips), how will the higher gears (3.47s or 3.73s) affect MPGs, road noise, etc. Thanks for any input.
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2013 1SS/RS Coupe L99, Stainless Power Works LT Headers, SCT X4 Custom Tune from RDP, CAI Inc. Air Intake w/ Apex Scoop, VMAX CNC Ported Throttle Body, Solo Axle-Back Exhaust w/ J-pipes, Apex Catch Can, Husky Splash Guards, Heritage Grille, 3D Carbon Rear Spoiler, Oracle Chrome Turn Signal Bulbs, GM Reverse Light Trim Billets, Gorilla Black Locking Lugs, Emblem Pros Retro SS Badges/Custom Retro SS Kickplates/Under-hood Bowtie, 35% window Tint, Nitto Motivo Tires (6-8-18)
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06-27-2013, 11:33 AM | #66 | |
Drives: 2017 ZL1 A10 & 2021 BMW M340i x Dr Join Date: Mar 2009
Location: Tampa
Posts: 5,110
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Sold 2012 2LT RS 12.3@112 old setup
Sold 1967 Camaro Pro Street. Ran 10's mild BB on NOS. 2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17 2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47** Sold 2018 (Go Mango) Dodge Charger Daytona 392 Daily Driver Daily Driver 2021 BMW M340i Xdrive |
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06-27-2013, 12:48 PM | #67 | |
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i run 4.10s which make my gearing about the same auto with 3.73.. fine daily driving. I do 25k a year. MPG went down like 1 or 2.. considering these cars have wide gears its fine
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2015 Corvette Z06.. Lime Rock Park 1:01; Watkins Glen 2:14; Thompson Speedway 1:21
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09-23-2013, 08:19 PM | #68 |
Drives: 2010 infeno orange ss camaro Join Date: Feb 2013
Location: colton,ca
Posts: 89
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I'm looking for the torque spec for the rearend end caps and back lash
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11-13-2013, 01:16 PM | #69 |
wow .... I'm all confused
I already have a supercharger and a stall convertor .... would I see or feel anything by changing the gears on My A6 SS? Was going to try and get the 3.91's but now they are on back order and from this It sounds like I'm wasting my money with the whipple and stall already there
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2022 Black ZL1
RotoFab CAI, AWE Touring Edition Cat Back Exhaust. 665 Crank hp. est. and 660 Crank ft. lbs. est. Never been Dynoed |
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01-29-2014, 07:16 PM | #70 |
Drives: 2013 Camaro 2ssrs Blue Ray Join Date: Jan 2014
Location: Chi town, south suburbs
Posts: 613
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Wow man I forgot about that song, Bitchin Camaro, by the dead milkmen, remember hearing that for the first time back in the 80's when a buddy of mine with an 86 Mustang GT, brought a cassette into my car which was an 87 Formula 350, he said you have to hear this song by the DEAD MILKMEN, I thought it was a very cool song,
and was the last thing I expected to hear from a punk band like that! Thanks for posting it, brings back cool memories! |
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