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Will SC axles handle 360HP/290TQ or convert to 930?
Engine and tranny are done and have been told I may want to consider 930 axles. Anybody know or have experience on this conversion? Tranny is a 915 from I believe an 82SC, it was purchased off ebay before I bought the car. #s on tranny show 915/61 73C 1892. Any help would be great. Thanks. (I did search) still a bit confused on what is needed.
Made 360HP/290TQ on the engine dyno. 
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16 Boxster Spyder (sold), 82 911 Wide body/Miami blue/Mike Bruns built 3.6 (sold), 80 911SC Black/tan (sold), 87 930 Turbo 505 slant GP white/black (sold), 95 993 C2 GP white/tan (sold), 82 911SC Hot Rod lightweight Black/black (sold) Last edited by nippy; 06-16-2019 at 02:58 PM.. |
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06-16-2019, 12:06 PM
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I'm not sure about the axles but I am interested in what it takes to make those 360hp
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06-16-2019, 12:23 PM
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Crotchety Old Bastard
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915 axles are fine. I put down 360 ft/lb of torque to the wheels on the Red Rocket. Axles were never a problem.
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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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06-16-2019, 12:28 PM
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Quote:
Thank you!
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16 Boxster Spyder (sold), 82 911 Wide body/Miami blue/Mike Bruns built 3.6 (sold), 80 911SC Black/tan (sold), 87 930 Turbo 505 slant GP white/black (sold), 95 993 C2 GP white/tan (sold), 82 911SC Hot Rod lightweight Black/black (sold) |
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06-16-2019, 12:38 PM
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Quote:
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16 Boxster Spyder (sold), 82 911 Wide body/Miami blue/Mike Bruns built 3.6 (sold), 80 911SC Black/tan (sold), 87 930 Turbo 505 slant GP white/black (sold), 95 993 C2 GP white/tan (sold), 82 911SC Hot Rod lightweight Black/black (sold) |
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06-16-2019, 12:39 PM
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06-16-2019, 01:58 PM
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Quote:
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16 Boxster Spyder (sold), 82 911 Wide body/Miami blue/Mike Bruns built 3.6 (sold), 80 911SC Black/tan (sold), 87 930 Turbo 505 slant GP white/black (sold), 95 993 C2 GP white/tan (sold), 82 911SC Hot Rod lightweight Black/black (sold) |
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06-16-2019, 02:54 PM
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Join Date: Oct 2015
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Depends on how you plan to use it... if its gonna be a track car I would opt for the 930 axles, theres a reason Porsche beefed them up for higher HP cars.
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06-18-2019, 06:27 AM
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New-ish 911SC Targa Owner
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I'm really hoping that you dyno it on a chassis dyno after its installed so we can understand what type of drivetrain loss it sees. It should still be near 300whp I would bet but would love to know for sure.
Helluva a motor though! I know you have put in a lot of cash and a lot of time. i remember your post about the last setup and the low output so I'm happy for you, man!
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'83 Targa 300k w/ freshened 3.0 with 930/52 case# 6770540 ARP and Raceware hardware - AEM Infinity 506, Triumph T595 ITBs, B&B headers, Dynomax muff, Fidanza FW, Alum PP-203whp |
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06-18-2019, 08:10 AM
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I will dyno it, thanks for the words
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06-18-2019, 08:12 AM
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Join Date: Mar 2014
Location: Palm Coast FL
Posts: 1,194
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GD! What’s in that motor?
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78 911 st backdate 87 944 00 996 |
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06-18-2019, 11:13 AM
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My new build, the last of a long but very FUN journey!!!
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16 Boxster Spyder (sold), 82 911 Wide body/Miami blue/Mike Bruns built 3.6 (sold), 80 911SC Black/tan (sold), 87 930 Turbo 505 slant GP white/black (sold), 95 993 C2 GP white/tan (sold), 82 911SC Hot Rod lightweight Black/black (sold) |
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06-18-2019, 12:10 PM
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78 Porsche 911SC 3.0L, 3.3Turbo soon. 
Jeanine
