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Registered
Join Date: Jun 2006
Location: Virginia Beach
Posts: 556
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Turbo Look rear axle
Lifted my 85 today and found the boot torn on the outboard CV. Would the axles be the same as the NA Carrera, unique or Turbo?
Need to order replacement parts Thanking you in advance. |
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01-27-2023, 04:05 PM
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Registered
Join Date: Jun 2004
Location: Oxford, Ct.
Posts: 2,297
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Turbo
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07 GT3 Cup S 4.0, 00 986, 78 911 old school gt car 77 BMW R100S 99 Ducati 996S 04 BMW R1150R DanielJacobsLLC.com |
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01-27-2023, 04:42 PM
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Registered
Join Date: Jun 2006
Location: Virginia Beach
Posts: 556
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Thank you
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01-28-2023, 05:39 AM
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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,523
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Turbo look, turbo tax.
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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01-28-2023, 07:47 AM
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Crotchety Old Bastard
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Is the car M491 optioned or a conversion?
Conversion would be standard 911 axles. M491 for 1985 had the 915 trans making the axle a hybrid with 915 inner flange and 930 outer flange.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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01-28-2023, 08:37 AM
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Registered
Join Date: Jun 2006
Location: Virginia Beach
Posts: 556
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The car does have the M491 option. To confirm, Turbo rear axle? Thanks
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01-28-2023, 07:31 PM
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Join Date: May 2019
Posts: 167
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inner boot, 911, outer boot,930
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01-28-2023, 08:28 PM
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Crotchety Old Bastard
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Quote:
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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01-29-2023, 07:36 AM
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Registered
Join Date: Jul 2003
Location: Glorious Pac NW
Posts: 4,184
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PET shows transmission "joint flange" as:
930.332.209.03 for 930/34/35 & 915/69/70 915.332.209.12 for 915/67/68 930.332.209.05 for 930/36/37 & 915/72/73. 930/34-36 are 78-88 3.3 turbo transmissions; pretty sure they only ever used 108mm flanges with 6xM10 bolts. PET also lists the same axles (and wheel stub axles) for 930/M491 of equivalent years. Which makes sense if they've got the same transmission flanges, because a "real" M491 will have 930 trailing arms etc. (For ~1970-up 911s with 108mm x M10 transmission flanges, G50 "attached stub" axles bolt straight up once you remove the wheel-side stub axle - but that's a different conversation). I know some later 915s came with the 108mm X M10 bolt drive flange & CVs (as per 930) - because I made the mistake of swapping the flanges to the earlier type when I built my replacement up, so as to re-use my original axles. Only to realize later that the bigger flanges/bolts/CVs would have been a much better choice than the comparatively wimpy 911 stuff once my 930/60 hulked up 150 ft/lbs or so... Pretty easy to tell; measure the CV joint. Either 108mm flange with 6xM10 bolts (930/G50) or 100mm flange with M8 bolts (915).
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'77 S with '78 930 power and a few other things. |
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01-29-2023, 03:22 PM
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Join Date: Dec 2024
Location: North Carolina
Posts: 4
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Does anyone have a link to purchase a new one? I have a 1986 M491 optioned car
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12-11-2024, 03:07 PM
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78 Porsche 911SC 3.0L, 3.3Turbo soon. 
