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05-14-2019, 08:52 PM
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#1 |
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V8 Lounge member #2
Drives: 2001 Ws6 Join Date: Sep 2009
Location: Burbank,IL
Posts: 6,373
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Zl1 diff VS SS diff
I have searched and searched and can’t find a definite answer.
Are the SS and ZL1 diff the same unit? If not what’s the difference? How do they compare to a 5th gen ZL1 diff? TYIA
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2001 ws6, 40k miles, Ls3 416 stroker, short block built by PER the rest by me. LPE Ls3 heads milled to 12-1 comp, FAST 102, NW 102, kooks 2", dual DMH cutouts, Magnaflow C/B, BTR cam + springs. Full UMI suspension.
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05-14-2019, 11:28 PM
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#2 | |
       
Drives: 22' Porsche PDK GT4 Join Date: Mar 2018
Location: Bay Area
Posts: 2,014
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Quote:
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Current:
22' Porsche PDK GT4 (MCS 2-way remote dampers) Previous: 18' NFG 2SS 1LE (ZL1 1LE solid rear cradle bushings & Corsa Exhaust) 16' F80 M3 (Ohlin R/T Coilovers) 13' Audi TTRS (APR Stage 1, MSS Springs) 09' C6 Z06 08' E90 M3 06' 335i (KW V2 Coilovers) 03' C5 Z06 |
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05-15-2019, 04:43 AM
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#3 |
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Thank you Al Oppenheiser!
Drives: Red Hot A10 ZL1 Convertible Join Date: Jun 2017
Location: Sarasota, FL
Posts: 4,978
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SS (non-1LE) and ZL1 Verts use G80 - DIFFERENTIAL, LOCKING REAR FULLY AUTOMATIC limited slip.
SS 1LE and ZL1 coupes use G96 - DIFFERENTIAL, ELECTRONIC LIMITED SLIP |
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05-15-2019, 06:38 AM
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#4 |
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V8 Lounge member #2
Drives: 2001 Ws6 Join Date: Sep 2009
Location: Burbank,IL
Posts: 6,373
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Awesome. Thank you fellas!
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2001 ws6, 40k miles, Ls3 416 stroker, short block built by PER the rest by me. LPE Ls3 heads milled to 12-1 comp, FAST 102, NW 102, kooks 2", dual DMH cutouts, Magnaflow C/B, BTR cam + springs. Full UMI suspension.
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05-15-2019, 07:30 AM
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#5 | |
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V8 Lounge member #2
Drives: 2001 Ws6 Join Date: Sep 2009
Location: Burbank,IL
Posts: 6,373
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Quote:
__________________
2001 ws6, 40k miles, Ls3 416 stroker, short block built by PER the rest by me. LPE Ls3 heads milled to 12-1 comp, FAST 102, NW 102, kooks 2", dual DMH cutouts, Magnaflow C/B, BTR cam + springs. Full UMI suspension.
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05-15-2019, 08:50 AM
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#6 |
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Petro-sexual
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Ring gear sizes are hard to find. It looks like 1LE/ZL1 e-LSDs are 226mm I believe (8.9"). I haven't found replacement ring gears so far.
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 '20 ZL1 Black "Fury" A10, PDR, Exposed CF Extractor Magnuson Magnum DI TVS2650R // RFBG // Soler 103 // TooHighPSI Port Injection // THPSI Billet Lid // FF // Katech Drop-In // PLM Heat Exchanger // ZLE Cradle bushings // BMR Chassis-Suspension Stuff // aFe Bars // Diode Dynamics LEDs // ACS Composites Guards // CF Dash // Aeroforce // tint // other stuffs |
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05-15-2019, 01:16 PM
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#7 | |
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Thank you Al Oppenheiser!
Drives: Red Hot A10 ZL1 Convertible Join Date: Jun 2017
Location: Sarasota, FL
Posts: 4,978
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Quote:
G96 ELSD (ZL1 non 1LE) 3.73 (manual) 2.85 (automatic) G80 ZL1 vert and SS 3.73 (manual) 2.77 (automatic) Saw a GM Authority publication that ZL1-1LE ratio was 3.93 on the manual ... but I couldn't confirm that on the Chevy press release site. I also read somewhere (probably on these forums) that the ring gears are welded in the G96, and possibly also G80 but not sure. So the only way to upgrade may be to build/buy a completely new rear end. |
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05-15-2019, 01:20 PM
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#8 |
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Petro-sexual
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There's another thread on here about differential information and it's not certain.
I believe someone quoted an unnamed GM-Engineer as saying the diff's are closer to about 9.25"-ish, but definitely smaller than the 9.9" of the 5th Gen ZL1 (Gravedigger, lol). The source I got my dimensions from were from an on-line dealer parts list. So don't take my numbers as the end-all-be-all, but that's what GM's listing in parts catalogs. I woulda' thought it would be at least 9-inches just for strength. I guess there aren't too many failures reported so far, so it must be a good design.
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'20 ZL1 Black "Fury" A10, PDR, Exposed CF Extractor Magnuson Magnum DI TVS2650R // RFBG // Soler 103 // TooHighPSI Port Injection // THPSI Billet Lid // FF // Katech Drop-In // PLM Heat Exchanger // ZLE Cradle bushings // BMR Chassis-Suspension Stuff // aFe Bars // Diode Dynamics LEDs // ACS Composites Guards // CF Dash // Aeroforce // tint // other stuffs |
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