 Boxster S G86 and G87, Are they both compatible options for the 914 and LS |
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| Gearup |
 Sep 18 2019, 09:42 AM
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#1
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Member  Group: Members Posts: 165 Joined: 21-April 15 From: Denver Member No.: 18,660 Region Association: None  |
Good morning. Have been contemplating pivoting to a Boxster S trans. I see the G86 is a viable option but I also see 6 speed G87 Boxster 6 speeds online for sale. Are they both viable options for the 914 conversion and an LS motor.
Thanks Brett |
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Replies(1 - 6)
| Joemo5 |
Sep 18 2019, 05:00 PM
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#2
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Member Group: Members Posts: 54 Joined: 1-April 18 From: Charlotte, North Carolina Member No.: 22,011 Region Association: South East States |
There's lots of information on the G86 out a lot less info on the G87. Renegade uses and recommends the G86 though. The G87 has a lower (higher numerically) final drive ratio. In case you haven't seen these links yet...
G87 info: https://californiamotorsports.net/pages/por...-specifications G86 info: https://californiamotorsports.net/pages/por...-specifications |
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| tygaboy |
Sep 18 2019, 05:33 PM
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#3
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914 Guru Group: Members Posts: 5,558 Joined: 6-October 15 From: Petaluma, CA Member No.: 19,241 Region Association: Northern California 
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Maybe I'm wrong but I thought the Renegade LS/6-speed kit only worked with the G86-20. That's what I have, that's what Cracker has, it's a proven transaxle for pretty big hp and the gearing works well.
Tony's car sees nearly 170 and his LS7 puts down 520 at the wheels. No trans issues to date. |
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| Gearup |
Sep 19 2019, 08:38 AM
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#4
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Member Group: Members Posts: 165 Joined: 21-April 15 From: Denver Member No.: 18,660 Region Association: None |
Thank you for the response guys. I looked on eBay for G86. Any other venues you found to have a good source of G86’s when you were looking?
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| ValcoOscar |
Sep 19 2019, 08:48 AM
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#5
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Garage Life Group: Members Posts: 2,499 Joined: 19-November 13 From: SoCal Member No.: 16,669 Region Association: Southern California 
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QUOTE(Gearup @ Sep 19 2019, 07:38 AM)  Thank you for the response guys. I looked on eBay for G86. Any other venues you found to have a good source of G86’s when you were looking? I have one complete ready for your LS914 with cable shifter, clutch, and adaptor plate. PM me if interested. Oscar |
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| dan10101 |
Sep 19 2019, 10:22 AM
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#6
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TORQUE-o-holic Group: Members Posts: 1,140 Joined: 29-April 03 From: Eagle Point, Or Member No.: 626 Region Association: Pacific Northwest |
QUOTE(ValcoOscar @ Sep 19 2019, 07:48 AM) QUOTE(Gearup @ Sep 19 2019, 07:38 AM) Thank you for the response guys. I looked on eBay for G86. Any other venues you found to have a good source of G86’s when you were looking? I have one complete ready for your LS914 with cable shifter, clutch, and adaptor plate. PM me if interested. Oscar So are there versions with LSD? I see the Info link above says they weren't shipped from the factory with LSD? |
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| tygaboy |
Sep 19 2019, 10:53 AM
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#7
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914 Guru Group: Members Posts: 5,558 Joined: 6-October 15 From: Petaluma, CA Member No.: 19,241 Region Association: Northern California
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QUOTE(dan10101 @ Sep 19 2019, 09:22 AM) QUOTE(ValcoOscar @ Sep 19 2019, 07:48 AM) QUOTE(Gearup @ Sep 19 2019, 07:38 AM) Thank you for the response guys. I looked on eBay for G86. Any other venues you found to have a good source of G86’s when you were looking? I have one complete ready for your LS914 with cable shifter, clutch, and adaptor plate. PM me if interested. Oscar So are there versions with LSD? I see the Info link above says they weren't shipped from the factory with LSD? No factory LSD, as far as I know. A couple aftermarket versions. That's one of the upgrades I'm looking at now. Does your 930 trans have one? Maybe all of them did, I'm just not that familiar. |
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