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a.k.a. Kevin M.
Join Date: Jun 2008
Location: west caldwell, nj
Posts: 388
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turbo 911, stock 930 trans ???
Hi Guys,
I have 915 thread going over on the 911 section. I am exploring the idea of a turbo engine in my 911 project....most agree that the 915 will be on the verge with the type of numbers I am looking at....never mind tuned…  It will be a light weight (2000#) street car for fun only. I am sure the 930 box would hold up. How do you think the stock gearing would be with the power characteristics of the dyno below? If I should re-gear what would you do? 
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Best turbo ever built SOLD.....   Looking for a Porsche with 4 seats...... |
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03-24-2010, 06:40 AM
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Crotchety Old Bastard
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Turbo guys don't like stock gearing of the 4spd if that tells you anything.
I've been running a 915 for over 10 years with similar Tq/HP as you are showing.
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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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03-24-2010, 10:17 AM
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Registered
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At least one Turbo guy likes the 4-speed tranny, ME
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Roland 930 Turbo '81 Too many modifications to list |
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03-25-2010, 12:52 AM
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Boost Abuser
Join Date: Jun 2008
Location: Louisville,Ky
Posts: 461
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I like the 4 speed. It takes a little getting used too but get the car out of the city where it can stretch it's legs, put it in third and leave it. Also the more weight I take out the better it feels!!! I haven't driven a car with a 915 but Im sure they are the same way once you adapt all is well. The gearing and transmissions just adds to the mystique of these cars . Im sure your tranny will be fine as Brian can attest to.
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03-25-2010, 12:20 PM
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78 Porsche 911SC 3.0L, 3.3Turbo soon. 
