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How do I tell what exact year my engine is?
I have a 1978-1979 911 3.0 engine in my 911. When I first registered to this forum, I asked what year my engine # was from, and someone said it is a 1978-1979 3.0. Is there any way to tell if the engine is either a 1978 or 1979, or were the engines built exactly the same in the two years where you cannot tell the difference at all? Is the only solution carbon dating?
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Matt '76 Porsche 911 with '78 3.0 SC engine '71 VW Bus '14 VW Passat (toddler hauler & wife approved ride) '03 Subaru Baja original yellow & silver |
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05-30-2005, 08:27 PM
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whats the engine number?
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Damo 83SC 'Guards Red' - Sold 1994 993 C4 |
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05-30-2005, 10:01 PM
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If its 6280001+ then its a 78 engine
If its 6290001+ then its a 79 engine This assumes its a from a US car.
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Damo 83SC 'Guards Red' - Sold 1994 993 C4 |
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05-30-2005, 10:05 PM
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Warren Hall Student
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Both 78' and 79' were the same engine type. So the type number i.e. 930/03 or whatever won't tell you. The serial number however will. A 78' motor will have a serial number like 6x8xxxx. A 79' motor will have a serial number like. 6x9xxxx.
So basically the serial number 6180129 stands for. 6 = 6 cyl 1 = eng type (Japan 930/05) 9 = year (1979) 0129= sequential no.
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Bobby _____In memoriam_____ Warren Hall 1950 - 2008 _____"Early_S_Man"_____ |
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05-30-2005, 10:14 PM
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Thanks you for the information. My engine type is 930/04. Where on the engine would I find the serial number???
Thanks.
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Matt '76 Porsche 911 with '78 3.0 SC engine '71 VW Bus '14 VW Passat (toddler hauler & wife approved ride) '03 Subaru Baja original yellow & silver |
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05-31-2005, 02:14 PM
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Warren Hall Student
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It's located vertically on the right side of the engine fan support.
930/04 = 78' to 79' US 49-state 3.0
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Bobby _____In memoriam_____ Warren Hall 1950 - 2008 _____"Early_S_Man"_____ |
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05-31-2005, 03:48 PM
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Join Date: Feb 2005
Location: Bahrain
Posts: 370
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One thing to keep in mind is that the model years don't run from Jan to Dec.
If I'm not mistaken it is from Sep to Aug, so a '79 engine could have been produced in late '78 (Sep, Oct, Nov and Dec). That may have been the reason someone said it is a 78-79 model.
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'94 964 - Celebration 30 Jahre edition '06 997 - arctic silver with cocoa interior - sold '77 RoW 911 - black and still sexy - sold and I miss her '05 Audi A3 Sportback 1.9TDI (not a bad daily driver) - gone |
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05-31-2005, 04:07 PM
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Bobboloo and Navaros,
Thanks for the replies. The engine # on the fan support reads: 6381340. Would this be correct then?
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Matt '76 Porsche 911 with '78 3.0 SC engine '71 VW Bus '14 VW Passat (toddler hauler & wife approved ride) '03 Subaru Baja original yellow & silver |
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05-31-2005, 04:17 PM
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Update:
Just went into the garage and double checked both numbers. The engine type is really 930/03, and not 04. Now it makes sense. According to this webpage I get more torque than the U.S. model! SWEET!!!! This made my day!: http://www.adelgigs.com/911scproductiondata.shtml I get 28 more NM than the U.S. model! 
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Matt '76 Porsche 911 with '78 3.0 SC engine '71 VW Bus '14 VW Passat (toddler hauler & wife approved ride) '03 Subaru Baja original yellow & silver |
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05-31-2005, 04:37 PM
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One more question, while I'm at it. My serial number is 91516630R on my transmission. What year would mytransmission be?
Thanks! edit: I found the location of the transmission s/n.
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Matt '76 Porsche 911 with '78 3.0 SC engine '71 VW Bus '14 VW Passat (toddler hauler & wife approved ride) '03 Subaru Baja original yellow & silver Last edited by 86 911; 05-31-2005 at 07:39 PM.. |
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05-31-2005, 06:32 PM
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1976 Porsche 911 3.0
73' Porsche Targa
