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Registered
Join Date: Jul 2005
Posts: 16
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Is 30 degrees total advance for 82SC safe?
US SC. Runs really well, I can't hear any pinging. Was only reaching 20 degrees BFTDC before I advanced. Idle mixture is set to the rich side using the Souk method. Idle is solid at 900. I do not want to risk engine damage for just a small gain in power.
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09-22-2007, 11:45 AM
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Wer bremst verliert
Join Date: Jan 2005
Location: Toronto, Ontario
Posts: 4,767
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I believe you are good up to around 32-33 degrees at around 4000.
Is your distributor original? Have you refurbed it and checked all the internals? I dont recall if 82 had mechanical advnace weights but ifyou werent getting total advance they could be sticking.
__________________
2007 911 Turbo - Not a toy 1985 911 Cab - Wife's toy 1982 911 3.2 Indiash Rot Track Supercharged track toy 1978 911 3.0 Lichtbau toy "Gretchen" 1971 911 Targa S backroad toy |
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09-22-2007, 01:17 PM
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Registered
Join Date: Jul 2005
Posts: 16
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I could see the timing advance as the RPM increased, so I think the dizzy is working properly. I can't say when it stopped advancing but it was right at 30 degrees BFTDC at 6k RPM.
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09-22-2007, 01:36 PM
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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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What octane fuel do you use??????
Thats what REALLY determines what values you will time your car to,... 
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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09-22-2007, 03:42 PM
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Registered
Join Date: Jun 2003
Location: Mineral, Va.
Posts: 171
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Steve,
For a stock 82SC what do you consider the max safe advance when using regular (87), mid-grade (91), and premium (93)? Might as well throw in 100 octane too. Thanks, Mac |
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09-22-2007, 04:32 PM
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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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Quote:
I never, ever use, nor recommend anything but (92 in OR) 93 in these cars for street use so I would time the car to factory specs. Mixing 100 is only for DE use in hot weather. You can read more on this at http://www.rennsportsystems.com/2a.html.
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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09-22-2007, 05:21 PM
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Registered
Join Date: Jul 2005
Posts: 16
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91 is the highest grade available in my area, I use it exclusively.
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09-22-2007, 06:07 PM
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