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RarlyL8 RarlyL8 is offline
Crotchety Old Bastard
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Join Date: Jan 2000
Location: Huntsville, AL
Posts: 13,523
1987 930 turbo, stock with 3dlz turbo. 1 bar spring and Fabspeed Muffler.
You are probably at around +/- 300 HP at the crank right now. That is 255RWHP.
So I assume your goal is +355RWHP.
That is going to be very difficult to do without going into the engine. The biggest improvements come from cams and head work with the bolt-ons allowing the power to come out.

With a 1.0bar spring you really need a larger intrecooler. Say $1300
The 3LDZ has to go. The K27S is ~1700+ I believe. The GT35 is ~$1000.
Headers make very little power for the money but improve driveability. Buy those later. $0
Cam choices - SC, SC330, 964, etc. Manditory addition. $500
Brian Leask adjustable WUR. Not an option in my opinion, check your A/F ratios before purchasing. $300
LM-1 for tuning. $300
Headwork - manditory for >350RWHP (400CHP). Wild Card on cost. Say ~$2500 = BANK BUSTER
If you cannot do the work yourself the remaining $1600 will be eaten up quickly at your local shop.

So it looks like you can get to 400HP at the crank for $5000 if you are careful with labor costs.
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
Old 07-28-2007, 12:21 PM
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