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Join Date: Nov 2005
Location: Moore, OKlahoma
Posts: 563
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Found horsepower!
ok so this is weird. Ive been fighting this car for 2 weeks now since I installed a MSD ignition kit. Well I finally got it running good and had plenty of horsepower.
Well get this! I drove through one of those drive through car washes today. The one that you sit in the car and try to catch all the water coming through the windows while the rollors push your car through the bay. ( I have a convertible) Well, as it was being washed, the fan belt started sqeeling and the car didnt want to keep idle, so I just kept my foot on the gas a little and made it through the car wash. Typical since the engine top is open to air from the whale tail. happens all the time right? Well now the car has more freaking power than I have ever had since I bought it 3 years ago! incredible scary power! SO what the heck happened? Did the wash job free up my emergency brake? who knows? This is weird but fun!
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Certified Southern Dumbass! 83 911SC with 993 conversion, 98 Ford Expedition 4WD lifted beast, 98 Jeep Grand Cherokee, 01 Ford Taurus, 99 Nitro Bass boat, and a riding lawn mower 
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01-13-2009, 02:53 PM
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you see Arthur...
Join Date: Jul 2005
Location: West Vancouver BC & San Juan Capistrano CA
Posts: 672
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clean cars are faster
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J 82 911 SC, Cat bypass, Flowmaster 1 in 2 out lightweight flywheel and backdated heat 06 Cayenne S 00 ML 55 AMG Santa Cruz Bullit |
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01-13-2009, 02:55 PM
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Join Date: Aug 2008
Location: Wasaga Beach Ontario
Posts: 407
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Not sure what advice I can give ya but I am off to wash my car
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Whiskyb 69 911 Wasaga Beach |
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01-13-2009, 02:56 PM
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Just before ...
Quote:
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1982 911SC 1987 924S |
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01-13-2009, 03:10 PM
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Keepin' it Simple...
Join Date: Sep 2007
Location: MO, 63141
Posts: 1,663
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A clean car is a happy car!
(Aren't we all helpful this evening???)
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-Doug 1968 911R Clone; 11/07-?? (forever the project car  )1978 911SC Midnight Blue Metallic Coupe; 7/05-11/09 (so long impact bumpers) 1973.5 911T Sepia Brown Coupe; 9/98-8/99 (went to a great home) 1973.5 911T Gulf Orange Targa; 5/97-11/02 (went back to Germany) |
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01-13-2009, 03:25 PM
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Monkey Butt Forespin
Join Date: Jul 2007
Location: Cumberland, RI
Posts: 474
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Belt let go, so there is no parasitic drag from the alternator / cooling fan / AC.
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Fred Hurder Jr For Tech Questions: '84 911 Carrera Cabriolet (US) Weltmeister Chip, Fabspeed Euro Pre-Muffler, M&K 1-in / 1-out Muffler 22 ERP /29 Sander Hollow T-Bars, Bilstein HD Struts / Sport Shocks ERP Poly-Bronze Bearings (A-Arms & Spring Plates), Stock Swaybars Turbo Tie Rods, '92 C2 5-Spoke wheels w/ 1" adapters, Drilled Zimmermans Yes, I drive mine as much as possible. If it's >32° & sunny, I've got the top down.
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01-13-2009, 03:51 PM
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It probably thought you were trying to drown it so it decided to act right!
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Scott '78 SC mit Sportomatic - Sold |
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01-13-2009, 04:02 PM
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Join Date: Nov 2008
Location: Flathead Lake Montana
Posts: 139
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Quote:
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01-13-2009, 04:15 PM
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AutoBahned
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I wanna run my girl friend thru that car wash -- where is it???
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01-13-2009, 04:16 PM
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Czar of C.R.A.P.
Join Date: Jul 2003
Posts: 2,323
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+1 on the belt slipping or gone...
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66 912 Coupe 84 Carrera Cab Hardtop HC3.4 Hyper Carrera 2005 Dodge Magnum 5.7 HEMI Cabriolet Racing And Performance C.R.A.P. Gruppe #1 Put on some C.R.A.P. and drive.... |
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01-13-2009, 04:22 PM
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Join Date: Oct 2005
Location: Magnolia State
Posts: 7,548
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You had excess carbon build-up...the water in the intake coupled with revving it broke up the carbon deposits.
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01-13-2009, 04:24 PM
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Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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engine sucked water and cleaned the spark plugs, valves, and pistons????
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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01-13-2009, 04:28 PM
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Join Date: Jul 2002
Location: Canberra Australia
Posts: 440
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I'm with Dueller on that. The water mist was sucked into the engine became steam in the combustion chamber and super cleaned the carbon.....better ignition of the gasses and gas flow.
Mark.... |
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01-13-2009, 04:30 PM
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maby the water soaked air filter wouldnt let air in and leaned it out
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82 SC , 72 914 |
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01-13-2009, 04:30 PM
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Join Date: Oct 2005
Location: Magnolia State
Posts: 7,548
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Quote:
I believe a lack of air would result in a rich condition. 
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01-13-2009, 04:39 PM
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just testing you
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82 SC , 72 914 |
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01-13-2009, 04:55 PM
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Nothing is for free!!!
Its been discussed here on pelican that the standard fan/alt combo along with the frictional losses of a V belt design will sap 15-25 hp (dyno tested many times) depending on which ratio fan pulley you are running. Get yourself an early pulley with the correct belt and your increased power will remain.
Its also a known power adder to buy one size larger belt and remove all spacers between the pulleys and put them under the retainer cap. This closes the gap in the V and results with a larger overall pulley diameter effectively lowering your fan/alt speed. I'm fairly certain either your alternator took a crap or your belt is now glazed from the heat build up while it was slipping upon leaving the wash. Kurt
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Never drive faster than your gaurdian angel can fly. 82 SC w/965S eng and G50 6:1 hp/w ratio 72 911t 2.6 twin plug and 72' 911t 57k orig 1 own miles 65/66 912 1 owner 76k orig 01' Aston Martin DB7 V12 Vantage Coupe 6spd |
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01-13-2009, 05:05 PM
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Join Date: Aug 2005
Posts: 151
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911 to a drive through car wash?? Aaaaaaaaaarrrrrggg-- Noooooooooooooo!
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01-13-2009, 05:33 PM
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Join Date: Jul 2005
Location: Spokane, WA
Posts: 490
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I'm with Blackie on this one. My SC coupe is only worth $12K (maybe?) but no way in hell I would put it through one of those 'pull through' car washes, free HP or otherwise.
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1982 SC...Guards Red + Linen |
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01-13-2009, 05:49 PM
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Glad to hear you got it running right. Also glad to hear that you seem to have found some type of tear in the horsepower continuum. If you chose to disclose the location of this "Car-wash" IE the "Fountain of Horsepower" in VA I would be interested in investing.
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78’ SC 911 Targa - 3.2SS, PMO 46, M&K 2/2 1 5/8” HEADERS, 123 DIST, PORTERFIELD R4-S PADS, KR75 CAMS, REBEL RACING BUSHINGS, KONI CLASSICS |
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01-13-2009, 05:56 PM
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911 SC
924S
My former car
Porsche
1972 porsche 914
1969 Porsche 911 2.7 
Stella
