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Registered
Join Date: Aug 1999
Location: Hickory NC USA
Posts: 2,502
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Winter 3.2 Engine Project
Not sure what to do with my 3.2 motor.
Been reading BA's book, but still have a couple of questions. Thinking about 3.4 P/C using mass air flow with DME, headers etc. Another route is to install carbs. How much am I going to gain (if any) by going to carbs vs DME FI. Thanks in advance. I would like to get close to 300HP, I know, but I can dream.
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'75 914-6 3.2 (Track Car) '81 SC 3.6 (Beast) '993 Cab (Almost Done Restoring) |
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12-12-2002, 07:16 PM
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Join Date: Nov 2001
Location: a few miles east of USA
Posts: 3,393
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i think it was todd at promototive (sp?) who told me he once did a n/a 3.2 for a customer and hit a brick wall at 250hp. he got around it by using a "high butterfly manifold" (?) and got 275 straight away.
when i enquired some time later about the manifold the cost was about $4k!!! i have ba's book - i would follow the mods he suggests - including i think he twin plugged??
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Rich  '86 coupe "there you are" |
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12-13-2002, 12:43 AM
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Registered
Join Date: Dec 2002
Location: Finland
Posts: 5
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Hi,
BTW, My first post!  IŽll install single turbocharger for my 3.4 during this winter. Moderate 0.2 boost for 10.3:1 compression engine seems to work. No other mods, only Motronic chip needs "some" tuning. Result should be at least 30hp more. Reliability? Yes, I know one with 20 000km (12Kmiles) since modification (289hp)...and no problems! If you can do it by yourself, (except tuning, you need Motronic specialist with dyno etc.) total cost/hp is very competitive! |
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12-13-2002, 01:54 AM
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Jim Smolka,
Jim just walk to the Dark Side and Joint us you will never go back,the Dark side gets even Darker as you go theres only one solution T U R B O  
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10.76@139-1/4 mile 0-1 mile 193MPH I Love to Shine Cars
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12-13-2002, 04:14 AM
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Metal Guru
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Jim,
I read about the 3.2 mod's in B.A.'s book too. Seems like you can get 30 additional HP with intake and exhaust changes for relatively cheap. If I had a 3.2 I'd do that stuff first, drive it a while and them decide if I needed 300 HP. You might come to the conclusion that 250 HP is good enough.
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Paul B. '91 964 3.3 Turbo Port matched, SC cams, K27/K29 turbo, Roush Performance custom headers w/Tial MV-S dual wastegates, Rarlyl8 muffler, LWFW, GT2 clutch & PP, BL wur, factory RS shifter, RS mounts, FVD timing mod, Big Reds, H&R Coilovers, ESB spring plates- 210 lb |
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12-13-2002, 05:39 AM
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Join Date: Apr 2002
Location: Omaha, NE
Posts: 3,522
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I've read gearing changes are good for another 50hp equivalent in speed increase.
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1980 911SC Targa 3.6L |
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12-13-2002, 06:09 AM
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HP is NOT as easy as everyone Dreams off,must of the claims and numbers are wayyyyyyyyy of in the real world.
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10.76@139-1/4 mile 0-1 mile 193MPH I Love to Shine Cars
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12-13-2002, 07:32 AM
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Re: Winter 3.2 Engine Project
Quote:
Dyno sheet TT
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Tom Tweed Early S Registry #257 R Gruppe #232 Rennlist Founding Member #990416-1164 Driving Porsches since 1964 |
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12-13-2002, 08:27 AM
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Jim,
You could give your 3.2 to me to replace my 2.0 E and go for the ultimate 914-6 - a 3.6. Rich |
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12-13-2002, 09:17 AM
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You can get 320hp/277rwhp just with adding a turbo,no internal modifications ,no intercooler,.5bar non adjustable boost
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10.76@139-1/4 mile 0-1 mile 193MPH I Love to Shine Cars
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12-13-2002, 09:42 AM
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1988 Porsche Carrera 3.2 Turbo
1991 Porsche 964 Turbo
911
Ultima GTR
LeGrand DSR
GT3
1969 Porsche 911 Targa 2.0 E
