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82 930
Join Date: Dec 2011
Location: Naples, fl
Posts: 22
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930 popping noise on de-acceleration
Hey guys, new member here. My father in law moved his 1982 930 down to Florida, so we get to play now... Anyway, it is making a popping noise when slowing down? Is this ok? Is this related to the fuel quality, because I believe their was dry gas dumped in the fuel tank several times over the years. Thanks.
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12-04-2011, 06:56 AM
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It seems fairly normal as many 930's with CIS do this. It is related to unburned fuel in the exhaust mixing with enough air to ignite on decel.
To be safe, though, chekc your timing and make sure the timing is advancing and retarding within spec's. Check out the turbo forum and do a search and you'll find lots of discussion around CIS and decel popping, etc. Have fun! They're wonderfully fun cars.
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Emery 1988 930 coupe - Silver Metallic TurboKraft 3.3L 8:1 CR, SuperSC Cams, GT35R, B&B Headers, TK intercooler, Tial WG, ARP, tecGT based phased sequential EFI & ignition, Wevo shifter/coupler, ... 
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12-04-2011, 08:27 AM
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Driver
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Ahhhh, the turbo burble. Love it.
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1987 Venetian Blue (looks like grey) 930 Coupe 1990 Black 964 C2 Targa |
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12-04-2011, 08:39 AM
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Registered
Join Date: Oct 2003
Location: Michigan
Posts: 14,093
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If the climate was ALOT different than Florida you should have the AFR checked out. You do not want to lean the engine out.
Does it shoot flames?
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1981 911SC ROW SOLD - JULY 2015 Pacific Blue Wayne |
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12-04-2011, 08:44 AM
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Wayah Road Warrior
Join Date: Jun 2002
Location: Greenville, SC
Posts: 1,536
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Completely normal. Embrace the burble.
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02 996tt White 87 930 GP White (Sold) 87 911 Targa Guards Red(Sold) |
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12-04-2011, 09:37 AM
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Wayah Road Warrior
Join Date: Jun 2002
Location: Greenville, SC
Posts: 1,536
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Quote:
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02 996tt White 87 930 GP White (Sold) 87 911 Targa Guards Red(Sold) |
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12-04-2011, 09:41 AM
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Registered
Join Date: Oct 2003
Location: Michigan
Posts: 14,093
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Oh yeah!! That is what I'm talking about!!
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1981 911SC ROW SOLD - JULY 2015 Pacific Blue Wayne |
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12-04-2011, 10:09 AM
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Wayah Road Warrior
Join Date: Jun 2002
Location: Greenville, SC
Posts: 1,536
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Here is classic burble for you ....
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02 996tt White 87 930 GP White (Sold) 87 911 Targa Guards Red(Sold) |
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12-04-2011, 10:35 AM
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82 930
Join Date: Dec 2011
Location: Naples, fl
Posts: 22
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Great, thanks for the advice. Man this thing is loud when it spools up, and ridiculously fast too. Not sure about the flames or not. Does anyone know how many 1982 930's were produced?
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12-04-2011, 11:20 AM
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Undocumented User
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Quote:
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12-04-2011, 11:55 AM
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Ducati
1987 Porsche 930 3.3T
1986 Porsche 911
