10-12-2019, 02:33 PM
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#1
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Shapeshifting Lizard-Man
Join Date: Nov 2018
Location: East Coast
Posts: 134
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Transmission fitment question
What engines will bolt up to the 986 5 spd? What exact transmission is it? I've been googling it for the past hour and all I could find is that it's an Aisin, but I couldn't confirm that or the specific transmission.
Basically, the 2.7 in my 986 has one foot in the grave, and i'm looking for engine swap options that won't end up costing more than a new M96 and/or require fabricating the whole back half of the car.
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10-13-2019, 11:33 AM
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#2
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Registered User
Join Date: Jul 2019
Posts: 54
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Kennedy has an adapter to bolt an LS to both of the Boxster manuals
I think some of the VW/Audi engines use the same bolt pattern also?
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10-13-2019, 02:02 PM
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#3
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Shapeshifting Lizard-Man
Join Date: Nov 2018
Location: East Coast
Posts: 134
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After some research, it would seem that the transmission is referred to as the G86/01.
My next question, is the bolt pattern of the G86 the same as the G96 out of the carrera of the same years? It seems like it is, but I want to make sure before committing to anything.
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10-13-2019, 05:31 PM
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#4
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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Bolt pattern is the same (same block) but do you want 5 speeds in reverse? 
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
Last edited by Paul; 10-13-2019 at 05:34 PM.
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10-13-2019, 06:53 PM
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#5
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Registered User
Join Date: Sep 2018
Location: Laval QC
Posts: 853
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Quote:
Originally Posted by Paul
Bolt pattern is the same (same block) but do you want 5 speeds in reverse? |
Good point!
__________________
Grant
Arctic Silver 2000 Boxster S - bought with a broken engine, back on the road with the engine replaced
Green 2000 Boxster 5-speed and 1978 928 auto
1987 924S 5-speed (Sold) - Blue 2000 Boxster 5 spd (Sold)
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10-13-2019, 07:22 PM
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#6
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Shapeshifting Lizard-Man
Join Date: Nov 2018
Location: East Coast
Posts: 134
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The reason I'm asking is because I found a site that makes an adapter for the G96 transaxle. Making sure it will bolt to the G86.
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10-14-2019, 06:19 AM
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#7
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Registered User
Join Date: Dec 2016
Location: Clifton, NJ
Posts: 1,135
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bolt pattern is the same. The g86 is not an aisin gearbox, I believe its getrag. VW engines will bolt up if you're looking at a 1.8t swap or Audi V8.
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10-14-2019, 07:27 AM
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#8
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Registered User
Join Date: Jan 2019
Location: PA
Posts: 1,726
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Quote:
Originally Posted by Paul
Bolt pattern is the same (same block) but do you want 5 speeds in reverse? |
Why is that? Do the motors run in the opposite rotational direction?
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10-14-2019, 08:47 AM
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#9
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Registered User
Join Date: Dec 2016
Location: Clifton, NJ
Posts: 1,135
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Quote:
Originally Posted by piper6909
Why is that? Do the motors run in the opposite rotational direction?
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no, but if you point it in the other direction, the gears will turn the wheels in the opposite way.
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10-14-2019, 11:45 AM
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#10
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Registered User
Join Date: Jan 2019
Location: PA
Posts: 1,726
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Quote:
Originally Posted by Quadcammer
no, but if you point it in the other direction, the gears will turn the wheels in the opposite way.
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Ah, so the Carrera's engine & tranny are oriented backwards, like a VW Bug?
Last edited by piper6909; 10-14-2019 at 11:50 AM.
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10-15-2019, 05:47 PM
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#11
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Registered User
Join Date: Aug 2019
Location: Spokane, WA
Posts: 61
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Quote:
Originally Posted by Chi-Town
Kennedy has an adapter to bolt an LS to both of the Boxster manuals
I think some of the VW/Audi engines use the same bolt pattern also?
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Kitcarchassis has them as well. I have an LS adapter on order for mine. 
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10-19-2019, 03:36 PM
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#12
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Shapeshifting Lizard-Man
Join Date: Nov 2018
Location: East Coast
Posts: 134
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I ended up talking to a place called Kennedy Engineering, seems like they do some adapters for Porsche transaxles to various other engines.
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