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Join Date: Feb 2006
Location: Dallas, TX
Posts: 359
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performance ideas
All,
I just purchased a relatively stock 85 carrera. Of course I'm looking to get the most performance out of the engine. (rebuilt about 60-80K ago.) I'm new to the 911s...so I'm wondering what the best HP for my buck is? I'm willing to spend up to $500 on engine performance. Also...I've finally posted a pic... 
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02-20-2006, 04:24 PM
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Steve W chip & a Fabspeed cat bypass = $500
John
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1985.5 944 GTS |
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02-20-2006, 04:32 PM
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Doesn't want/need a 3.6L
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Ditto John's recommendation of a Steve Wong chip.
www.911chips.com for information. Pelican sells them. I would suggest a Dansk pre-muffler in place of the Fabspeed unit but either way you should be okay. Don't expect miracles though, the motor still won't do much below 3,500 rpm but will be much more fun above that. Welcome to 911 ownership!  Ralph |
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02-20-2006, 04:35 PM
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durn for'ner
Join Date: Feb 2005
Location: South of Sweden
Posts: 17,090
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Welcome - great looking Carrera. Year of my choice.
Chipping and exhaust upgrading. Edit: John beat me to it. Oh and Ralph too.
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Markus Resident Fluffer Carrera '85 |
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02-20-2006, 04:36 PM
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And you can cut your Intake lid or swiss cheese it....wont gain much power but it sure sounds good....and its free....
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Don Booth 87 Carrera Coupe (Current) 70 911 T Coupe 74 914 |
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02-20-2006, 04:36 PM
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Location: Dallas, TX
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wow...thanks for the quick replies!!!
so...just outta curiousity the exhaust upgrades...are they CA emissions legal? Yah...speaking of swiss cheesing the intake box...what about replacing it with a K&N? does it just sound good? I know on my Dodge 440, a K&N helped give that heavy breather a little more air... David |
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02-20-2006, 04:41 PM
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Join Date: Jul 2005
Location: San Jose
Posts: 4,623
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Nice ride! That picture looks like it was taken up near the Lexington Reservoir in Los Gatos. (?)
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Dan 2002 996 C4 Cab w/ Jake Raby 4.0 2024 Tacoma TRD Offroad 4x4 2003 Range Rover HSE |
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02-20-2006, 04:47 PM
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I run a K&N Filter in the stock box with the lid cut open...from what I have read this filter gives more filter area than a cone filter....and it is cheaper...
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Don Booth 87 Carrera Coupe (Current) 70 911 T Coupe 74 914 |
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02-20-2006, 04:51 PM
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Registered
Join Date: Apr 2003
Location: Terre Haute, IN
Posts: 2,949
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80k miles: maintenance and chip
wires, rotor, cap and valve adjustment & plugs if necessary all should be verified if $500 is a rigid budget.
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Luke S. 72 RS spirit 2.7mfi, 73 3.2 Hotrod on steelies, 76 993 3.3efi TT, 86 trackrat, 91 C4s widebody,02 OLA winning 6GT2, 07 997TT, 72 914 v8,03 900 rwhp 996TT |
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02-20-2006, 05:06 PM
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85 Carrera
Very nice ride!!! And yes 85 was a great year :-)
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02-20-2006, 05:15 PM
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Doesn't want/need a 3.6L
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Quote:
You can however simply swap out the pre-muffler for the catalyst every 2 years for the smog inspection, it's not difficult to do, especially if use high quality bolts, nuts & washers and liberal amounts of anti-seize on the threads. Make sure whatever pre-muffler you decide on has the bung in place so you can reattach the oxygen sensor. If you do decide later not to use it for whatever reason, the connecting plug is easily disconnected on the top left side of the motor. The plug should be near where the coil & fuel filter mount.Ralph |
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02-20-2006, 05:21 PM
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Join Date: Aug 2002
Location: Galivants Ferry, SC
Posts: 10,550
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You can even dispense with the "liberal amounts of anti-seize" if you use the stainless bolts and Silicon/Bronze nuts I advise in one of my posts.
-Wil ( 85 Carrera)
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Wil Ferch 85 Carrera ( gone, but not forgotten ) |
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02-20-2006, 06:42 PM
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Join Date: Nov 2004
Location: Greater Metropolitan Nimrod, Oregun
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This is why they are putting sniffers on the entrance ramps...
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"A man with his priorities so far out of whack doesn't deserve such a fine automobile." - Ferris Bueller's Day Off |
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02-20-2006, 06:42 PM
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MBruns for President
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Thank god I don't live there anymore! and I'll ditto the other recommendations. You need to know - Porsche HP is expensive...
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Current Whip: - 2003 996 Twin Turbo - 39K miles - Lapis Blue/Grey Past: 1974 IROC (3.6) , 1987 Cabriolet (3.4) , 1990 C2 Targa, 1989 S2 |
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02-20-2006, 06:52 PM
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 56,226
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The best hp improvement that you can make is to rev the thing to at least 6000. You may already, but I mention it because lots of first time owners are shifting at 4, 4.5, or 5000 and they are missing out.
The K&N won't give a performance improvement, and it's considered by many to actually not be as good a filter which increases engine wear. The air filter in a 3.2L car is not the power bottleneck. I'd just stick with the regular filter. Your best hp upgrade is to put the car on a diet.
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa  SOLD 2004 - gone but not forgotten
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02-20-2006, 07:18 PM
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MBruns for President
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Not exactly a broad curve - under 500rpms you have the power to weight ratio of a honda accord...
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Current Whip: - 2003 996 Twin Turbo - 39K miles - Lapis Blue/Grey Past: 1974 IROC (3.6) , 1987 Cabriolet (3.4) , 1990 C2 Targa, 1989 S2 |
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02-21-2006, 03:59 AM
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Join Date: Sep 2005
Location: Blue Grass State
Posts: 226
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Very lovely car.....welcome! As stated .5K dont go far towards performance on a P-car. Save your money for some SSI heat exchangers.
Don't hack your box....no performance increases IMO.
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Deutsche Fahrzeuge 78' 911SC 03' 325I BMW 03' KTM 450sx 05' S2000 (daughters) Last edited by emcdan; 02-21-2006 at 07:38 AM.. |
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02-21-2006, 07:34 AM
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Non Compos Mentis
Join Date: May 2001
Location: Off the grid- Almost
Posts: 10,598
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If the car has no deferred maintenance issues, use the improvement budget on you, the driver, at a good track driving school.
Not only will it vastly improve what your 911 will do, it will improve every car you drive for the rest of your life. |
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02-21-2006, 07:44 AM
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MBruns for President
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Probably the biggest seat of the pants improvements you would see - and assuming those are cast turbo twist wheels - chromed - you would probably notice the biggest gain by going to a light weight bbs or fuchs wheel. I bet those are over heavy wheels.
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Current Whip: - 2003 996 Twin Turbo - 39K miles - Lapis Blue/Grey Past: 1974 IROC (3.6) , 1987 Cabriolet (3.4) , 1990 C2 Targa, 1989 S2 |
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02-21-2006, 07:52 AM
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Registered
Join Date: Feb 2006
Location: Dallas, TX
Posts: 359
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so 5000-6000 RPM has the most power huh? Is there a REV limiter around 6 grand?
david |
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02-21-2006, 08:05 AM
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1984 Porsche 911 3.2
1988 Porsche 911 3.5L Motronic Twin-Plug
1987 Porsche 3.2 Carrera Coupe 3.2
1985 Porsche 911 Carrera 3.2
Gone to California
Turbo
