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		|  03-31-2020, 10:10 PM | #1 |  
	| Damn Yankee 
				 
				Join Date: Mar 2013 Location: Dallas 
					Posts: 1,117
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	Quote: 
	
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					Originally Posted by ty_wheels  My mission is to know for certain that this car has a replacement engine.  |  
I've been down this same road before involving Porsche "replacement engines". As stated earlier, a Porsche "replacement engine" will display the characters "AT " in the engine number.
   
You stated that the Porsche dealership "claims not to have records going back that far" . Fine. I don't care what the Carfax says, to determine if the engine is indeed a Porsche "replacement engine" have the owner supply you with the engine number.
 
Just sayin'........
 
TO
		 
				 Last edited by TeamOxford; 03-31-2020 at 10:12 PM.
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		|  04-01-2020, 07:23 AM | #2 |  
	| Registered User 
				 
				Join Date: Mar 2020 Location: TX 
					Posts: 21
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			TeamOxford - can I see the engine number w/o raising the car ?
 Seller found an email with items done to the car at that time,
 there was a line there saying :
 
 NV Wty Intermediate Shaft
 
 Also managed to speak to a Porsche NA representative that confirmed that the
 engine was pulled out and either they put in a reconditioned engine or reconditioned
 the original engine and put it back - not sure what that means - maybe means they
 replaced ims with the LNE ims ?
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		|  04-01-2020, 02:17 PM | #3 |  
	| Damn Yankee 
				 
				Join Date: Mar 2013 Location: Dallas 
					Posts: 1,117
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	Quote: 
	
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					Originally Posted by ty_wheels  TeamOxford - can I see the engine number w/o raising the car ? |  
Doubtful. Unless you are REALLY  thin. You could always drive the car to an oil change joint and check it from the grease pit.
 
	Quote: 
	
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					Originally Posted by ty_wheels  there was a line there saying :NV Wty Intermediate Shaft
 
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I don't know what this means, but I assume that "Wty"  stands for "warranty". 
Just sayin'...........
 
TO
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		|  04-01-2020, 02:56 PM | #4 |  
	| On the slippery slope 
				 
				Join Date: Mar 2014 Location: Austin and Palm Springs 
					Posts: 3,799
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	Quote: 
	
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					Originally Posted by ty_wheels  TeamOxford - can I see the engine number w/o raising the car ?
 Seller found an email with items done to the car at that time,
 there was a line there saying :
 
 NV Wty Intermediate Shaft
 
 Also managed to speak to a Porsche NA representative that confirmed that the
 engine was pulled out and either they put in a reconditioned engine or reconditioned
 the original engine and put it back - not sure what that means - maybe means they
 replaced ims with the LNE ims ?
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the chance of a LNE replacement is between slim and none and slim left town last week
		 
				__________________2004 Boxster S 6 speed  - DRL relay hack, Polaris AutoTop DIY
 2004 996 Targa Tip
 Instructor - San Diego region
 2014 Porsche Performance Driving School
 2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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		|  04-02-2020, 11:50 PM | #5 |  
	| Registered User 
				 
				Join Date: Jul 2013 Location: Bastrop, Tx 
					Posts: 2,644
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	Quote: 
	
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					Originally Posted by TeamOxford   |  
I forget what style bolt head it's called, but if you see those type of bolts used throughout the motor. Then it's probably a replacement motor. it will also be free from any under body corrosion coating on the bottom. Every replacement motor I've seen was a lot cleaner than the transmission it was attached to.
		 
				__________________Woody
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		|  04-06-2020, 02:51 PM | #6 |  
	| Registered User 
				 
				Join Date: Mar 2020 Location: TX 
					Posts: 21
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			So I got under the car and verified this is a replacement engine   
M96/23AT65466219
 
M96/23 = what is the 23 ?
 
6 = 6 Cylinder
 
5 = Engine Version
 
4 = what is that
 
66219 = Engine Serial Number
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		|  04-06-2020, 03:08 PM | #7 |  
	| 2003 S, Arctic Silver, M6 
				 
				Join Date: Oct 2014 Location: Winnipeg, MB, Canada 
					Posts: 1,346
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			From Wikipedia, I did simple search
 986
 
 1997–1999 2.5 L (2,480 cc) 204 PS (150 kW; 201 bhp) 245 N⋅m (181 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 "M96.20"
 2000–2002 2.7 L (2,687 cc) 220 PS (162 kW; 217 bhp) 260 N⋅m (190 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 "M96.22"
 2003–2004 2.7 L (2,687 cc) 228 PS (168 kW; 225 bhp) 260 N⋅m (190 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 (VarioCam) "M96.23"
 2000–2002 3.2 L (3,179 cc) 252 PS (185 kW; 249 bhp) 305 N⋅m (225 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 "M96.21" (Boxster S)
 2003–2004 3.2 L (3,179 cc) 260 PS (191 kW; 256 bhp) 310 N⋅m (230 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 (VarioCam) "M96.24" (Boxster S)
 2004 3.2 L (3,179 cc) 265 PS (195 kW; 261 bhp) 310 N⋅m (230 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 (VarioCam) "M96.24" (Boxster S "50 Jahre 550 Spyder")
 VEHICLE                   ENGINE TYPE    MY            ENGINE NO.           TECHNICAL DATA [2]
 
 BOXSTER                   M96.20         97 V          65V 00501>60000      6ZYL/2,5L /150 KW
 BOXSTER                   M96.20         98 W          65W 00501>60000      6ZYL/2,5L /150 KW
 BOXSTER                   M96.20         99 X          65X 00501>60000      6ZYL/2,5L /150 KW
 
 BOXSTER                   M96.22         00 Y          65Y 00501>60000      6ZYL/2,7L /160 KW
 BOXSTER                   M96.22         01 1          651 00501>60000      6ZYL/2,7L /162 KW
 BOXSTER                   M96.22         02 2          652 00501>60000      6ZYL/2,7L /162 KW
 BOXSTER                   M96.23         03 3          653 00501>60000      6ZYL/2,7L /168 KW
 BOXSTER                   M96.23         04 4          654 00501>60000      6ZYL/2,7L /168 KW
 
 BOXSTER "S"               M96.21         00 Y          67Y 00501>60000      6ZYL/3,2L /185 KW
 BOXSTER "S"               M96.21         01 1          671 00501>60000      6ZYL/3,2L /185 KW
 BOXSTER "S"               M96.21         02 2          672 00501>60000      6ZYL/3,2L /185 KW
 BOXSTER "S"               M96.24         03 3          673 00501>60000      6ZYL/3,2L /191 KW
 BOXSTER "S"               M96.24         04 4          674 00501>60000      6ZYL/3,2L /191 KW
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		|  04-06-2020, 03:47 PM | #8 |  
	| Registered User 
				 
				Join Date: Jan 2019 Location: PA 
					Posts: 1,726
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	Quote: 
	
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					Originally Posted by paulofto  From Wikipedia, I did simple search
 986
 
 1997–1999 2.5 L (2,480 cc) 204 PS (150 kW; 201 bhp) 245 N⋅m (181 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 "M96.20"
 2000–2002 2.7 L (2,687 cc) 220 PS (162 kW; 217 bhp) 260 N⋅m (190 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 "M96.22"
 2003–2004 2.7 L (2,687 cc) 228 PS (168 kW; 225 bhp) 260 N⋅m (190 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 (VarioCam) "M96.23"
 2000–2002 3.2 L (3,179 cc) 252 PS (185 kW; 249 bhp) 305 N⋅m (225 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 "M96.21" (Boxster S)
 2003–2004 3.2 L (3,179 cc) 260 PS (191 kW; 256 bhp) 310 N⋅m (230 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 (VarioCam) "M96.24" (Boxster S)
 2004 3.2 L (3,179 cc) 265 PS (195 kW; 261 bhp) 310 N⋅m (230 lbf⋅ft) water-cooled DOHC 24-valve Boxer flat-6 (VarioCam) "M96.24" (Boxster S "50 Jahre 550 Spyder")
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I don't know how accurate this is, because it specs "VarioCam" on 2003 and up MY, when in reality the earlier motors have it too.
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		|  04-06-2020, 06:41 PM | #9 |  
	| Damn Yankee 
				 
				Join Date: Mar 2013 Location: Dallas 
					Posts: 1,117
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	Quote: 
	
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					Originally Posted by ty_wheels  4 = what is that
 
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It means it's a 2004 engine.
 
TO
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		|  04-06-2020, 08:37 PM | #10 |  
	| Registered User 
				 
				Join Date: Mar 2020 Location: TX 
					Posts: 21
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			Thanks TeamOxford,
 Does this means that they replaced the original 2004 engine that failed because of the ims bearing
 with another 2004 engine with the same ims bearing that could also fail ?
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		|  04-06-2020, 09:10 PM | #11 |  
	| Damn Yankee 
				 
				Join Date: Mar 2013 Location: Dallas 
					Posts: 1,117
				      | 
			It means that the original 2004 engine was replaced with a 2004 factory replacement engine. It does not mean that the original engine failed because of the IMS bearing.
 But since you mentioned that "there was a line there saying :NV Wty Intermediate Shaft", then it may be safe to assume that the IMS bearing was the cause of the failure.
 
 The replacement engine has the same IMS bearing as the original - single row.
 
 TO
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		|  04-07-2020, 04:13 AM | #12 |  
	| Registered User 
				 
				Join Date: Jan 2019 Location: PA 
					Posts: 1,726
				      | 
			
	Quote: 
	
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					Originally Posted by TeamOxford  The replacement engine has the same IMS bearing as the original - single row.
 
 TO
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Forgive me for digressing for a moment.   So, 2000-2002 engines are designated M96.22 and 2003-2004 engines are M96.23.  If both versions have single-row IMS bearings, what's the difference?  
 
Number of chains?  
 
Can an M96.23 engine replace an M96.22?
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