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gavinc69's Avatar
 
Join Date: Jul 2008
Location: Bournemouth UK
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Guess dyno result & your own 3.0SC boosted build results

I've been on this forum for many years now and in that time seen quite a few 3.0SC engines get boosted. Results have varied from 300hp to over 400hp.

I have just had the results from my final dyno tune and would really appreciate those that have boosted there 3.0SC engines your input as to what dyno figures you achieved and with what mods as I feel my results are a bit on the low side for the mods I have done

Also have a guess at my final dyno figure based on the engine spec below :

1980 3.0SC euro engine (rebuilt to standard spec apart from following)
993 headstuds
993 cam
Port and polished heads
RS cut valves
With tweaked CIS and no turbo was making 230hp crank.

Added later :
3.2 intake manifold
Full bay IC (specialist custom built, light weight, high flow)
Tial 46mm WG with 0.5bar spring
OBX headers
K27-7200
BOV to atmosphere
Omex 710 ECU with coil packs
Going Super Fast trigger wheel kit
Siemens Deka 80lb injectors
Zork tube

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1980 SC Flatnose, Euro 3.0, LW Flywheel, 993 Cams, Port & Polish Heads, RS Cut Valves, Magnacor Leads, Boxster Brakes, WEVO Mounts, TRG Roll Bars, Rollcage, RSR rear fenders, WEVO Shifter, K27 7200 Turbo, OBX Headers, Tial Wastegate, Omex 710 ECU, 3.2 Intake, Full Bay Intercooler.....400HP
Old 06-20-2018, 01:05 PM
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Chain fence eating turbo
 
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A 3.2 AFAIK stock is supposed to make 350 flywheel hp at 0.5 bar, so I'm going to guess 310-320 or 270-280 whp???
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR P & C's, soon to be 993SS cams and GSXR 750 ITB's fed by 964 intake, Borg-Warner S366 turbo @ 1.4 bar, Treadstone full bay IC, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MegaSquirt 2 (v3.57 board) w/EDIS, Tramont wheels (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
Old 06-20-2018, 01:10 PM
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Chain fence eating turbo
 
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Just turn up the boost and fahgetaboudit!!!
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR P & C's, soon to be 993SS cams and GSXR 750 ITB's fed by 964 intake, Borg-Warner S366 turbo @ 1.4 bar, Treadstone full bay IC, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MegaSquirt 2 (v3.57 board) w/EDIS, Tramont wheels (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
Old 06-20-2018, 01:11 PM
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Interesting. Would your smaller displacement be affecting things a bit?
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Cheers, Chris
1986 951

SOLD: 1975 Carrera / 965 tribute w/ 1989 3.3 turbo 8.5:1, custom Evergreen K27 7200, 964 cams, euro CIS, TEC1 dual plug, rarlyL8 headers & hooligan pipe.
Old 06-21-2018, 05:05 AM
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370whp
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-Kyle
* 1980 911SC - Widebody, turbo conversion, 930 LSD gearbox, Bitz MS-II EFI, Carerra intake, <2400lbs, 360whp @9psi.
Old 06-21-2018, 07:15 PM
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I made just over 400hp in my old car at .8 bar. Ran e85 and a large intercooler. K27-7200 hi flow turbo
Old 06-23-2018, 05:56 AM
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So what were the results, Gavin?
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-Kyle
* 1980 911SC - Widebody, turbo conversion, 930 LSD gearbox, Bitz MS-II EFI, Carerra intake, <2400lbs, 360whp @9psi.
Old 06-26-2018, 02:24 PM
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How fresh are the engines you guys are slapping turbos on? I am soooo tempted to add boost.
Old 09-22-2018, 05:00 PM
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I added mine 2 years ago with 180k.
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-Kyle
* 1980 911SC - Widebody, turbo conversion, 930 LSD gearbox, Bitz MS-II EFI, Carerra intake, <2400lbs, 360whp @9psi.
Old 09-25-2018, 02:54 PM
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I dunno if I’d read too much into numbers. I’ve seen a fair disparity between U.S dyno and Australian dyno results for example.
If the motor is doing the right thing and AFR's etc are all good then I be happy.
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Ex Porsche Cup car with some boost and stuff.
Old 09-25-2018, 03:42 PM
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Dyno result was 320 crank. After gearbox rebuild may try 0.7bar
Old 09-26-2018, 01:39 PM
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Do I win a prize?

Old 09-26-2018, 02:21 PM
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