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RC
Joined: 25 Mar 2007
Posts: 2637
Location: Australia
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 Posted: Mon Jul 28, 2008 10:55 pm Post subject: Re: Another one of my dumb Q's |
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| 924er wrote: |
let me first tell you what i first done to the car:
-rebuilt engine head
-changed all belts
- plugs/wires, a basic tune up.
- fuel filter
- new cat
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Highly unlikely the new cat is blocked. 
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bought a haynes manual yesterday and im feeling more comfortable aready. i tells you everything A-Z about this car! |
Good. Reading it will answer a lot of your questions.
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i tried reving again on neutral and it hit 6.5 rpm(not going to try that again) so i guess its not a stuck weight, just my car with a lack of power!
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On the contrary, if you can rev it in N and not under load it actually supports the lack of advance theory. Not a good idea to dismiss possible causes unless you have a full understanding of how they work and/or they are accurately tested. Faulty weights or springs may cause no or little advance, or be locked at maximum. Then the initial advance is set at idle but will not increase at higher RPM, causing incomplete combustion (high CO) resulting in poor mileage and low power. Haynes ignition section will explain the operation and advance test according to the graphs.
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now if i purchase a CIS test kit, how would i test it and what will it tell me what wrong, vacuum leaks, fuel injectors? |
All this info is in the book. Would suggest just getting a comp gauge and timing light first.
Roger |
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924er
Joined: 10 Jan 2006
Posts: 339
Location: Los Angeles California
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| Posted: Tue Jul 29, 2008 2:59 am Post subject: |
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ok im going to start reading about the ignition timming and all today, and im going to purchase a comp gauge and timming light and let you know what happened,
thanks RC
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80' Porsche 924 NA - Slower then a S L O W
86' Porsche 951- New toy |
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Mike924
Joined: 12 Aug 2004
Posts: 2601
Location: IoW UK
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| Posted: Wed Jul 30, 2008 3:09 am Post subject: Re: Another one of my dumb Q's |
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| RC wrote: | | 924er wrote: | | bought a haynes manual yesterday and im feeling more comfortable aready. i tells you everything A-Z about this car! |
Good. Reading it will answer a lot of your questions. |
...but not all.
That's what this board's for! 
_________________
1985 Porsche 924 'Lux', Kalahari Beige (my ex)
1993 Porsche 968 Coupe, Midnight Blue, 6 spd
'There is no substitute for a little grease under your fingernails.' - Chrenan, 924board.org |
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