dbackg Posted May 7, 2010 Report Share Posted May 7, 2010 Was your 2008 GT500 built before October 2007? If you own a 2008 GT500 and it was built prior to October 2007 .... then your GT500 was built with the "2007" CRANKSHAFT DAMPNER. If you upgraded your GT500 Supercharger, you may want to SERIOUSLY consider changing out to: 2008 MUSTANG SVT CRANKSHAFT DAMPER - M-6312-SVT http://www.shelbystore.com/product-p/m-6312-svt.htm http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=10127 Innovators West website: http://www.innovatorswest.com/store/index.php?act=viewCat&catId=33 Link to comment Share on other sites More sharing options...
Craigo Posted May 7, 2010 Report Share Posted May 7, 2010 Why? did you have a problem or cuz of the weight? Link to comment Share on other sites More sharing options...
Bloomy63 Posted May 7, 2010 Report Share Posted May 7, 2010 Mine was built in 10/07. Anybody have pics of the 2007 dampner so I can confirm that I have the '08? Link to comment Share on other sites More sharing options...
dbackg Posted May 7, 2010 Author Report Share Posted May 7, 2010 According to my local Ford dealer and other sources, the cutoff date for 2008 model is October 2007. If your 2008 was built before October 2007 then, most likely, your GT500 was equipped with the heavier 22LB 2007 crankshaft dampner. Ford Warranty clearly states: If you install the 2007-2009 MUSTANG SVT 605 HP SUPERCHARGER UPGRADE KIT: M-6066-SGT, then, you must use the upgraded lighter damper M-6312-SVT to be eligible for the FORD limited warranty. Why would the Super Snake mod shops NOT know this. Why would the Super Snake mod shops install the 2.3L Twin Vortices Series (TVS) supercharger FRPP - M-6066-TVS http://www.fordracin...tKeyField=10846 without installing the upgraded damper M-6312-SVT? Ford Racing clearly states the lighter dampner must be installed to prevent crankshaft failure. Does this mean our Ford Factory Warranty is VOID? Regardless of the warranty, what damage has been done to the engine due to the correct dampner NOT being installed? Link to comment Share on other sites More sharing options...
jasonport Posted May 8, 2010 Report Share Posted May 8, 2010 My car was built on 11/07 as its on the door. Mine is a 2008 . Also my SVT paperwork says 11/21/07 so im ok? or no . Does anyone have pictures of the old and new style ? Thanks Link to comment Share on other sites More sharing options...
blkGT500nCA Posted May 8, 2010 Report Share Posted May 8, 2010 Pheww! My '08 was built 3/4/08. This picture that shows the different pulleys was taken from VMPtuning.com Link to comment Share on other sites More sharing options...
DDT Posted May 8, 2010 Report Share Posted May 8, 2010 Well I guess my car is an exception?????? Build date 8/17/07 and it has the lighter 08 balancer........... Link to comment Share on other sites More sharing options...
SteelTownStang Posted May 8, 2010 Report Share Posted May 8, 2010 ...built 10/24/07 and has the updated balancer. I thought that I read somewhere that all 2008s, regardless of the build dates, had the lighter balancer. Link to comment Share on other sites More sharing options...
Bloomy63 Posted May 8, 2010 Report Share Posted May 8, 2010 I have the '08 dampner. :happy feet: :happy feet: :happy feet: Part # 8R3V-6316-AB Link to comment Share on other sites More sharing options...
Willie Posted May 8, 2010 Report Share Posted May 8, 2010 Well I guess my car is an exception?????? Build date 8/17/07 and it has the lighter 08 balancer........... Nope. Mine was built 08/08/07 and it also has the 08 balancer. Link to comment Share on other sites More sharing options...
blueovalkid Posted May 8, 2010 Report Share Posted May 8, 2010 My car was built on 10-18-07 and it had the updated/lighter balancer Link to comment Share on other sites More sharing options...
dbackg Posted May 8, 2010 Author Report Share Posted May 8, 2010 This picture that shows the different pulleys was taken from VMPtuning.com Part # 8R3V-6316-AB Thank you for posts. In this case, picture speaks a thousand words. Link to comment Share on other sites More sharing options...
FIAMike Posted May 8, 2010 Report Share Posted May 8, 2010 Mine was built 9/07 has new lighter 08 balancer. FIA Mike Link to comment Share on other sites More sharing options...
car dude Posted May 9, 2010 Report Share Posted May 9, 2010 please don't laugh but were do i find my built date?And were can i find my production #? Thanks Link to comment Share on other sites More sharing options...
dbackg Posted May 9, 2010 Author Report Share Posted May 9, 2010 White sticker, inside driver door jam. RE: Production # Contact Ford Performance Group. 800-367-3788 www.fordperformancegroup.com http://www.fordperfo...olStuff/?var2=0 http://www.fordperfo....rtificates.pdf http://www.fordshowp....cfm?store_id=1 http://www.svtregistry.com/ http://www.shelbyautos.com/GT500Registry/ Link to comment Share on other sites More sharing options...
car dude Posted May 9, 2010 Report Share Posted May 9, 2010 White sticker, inside driver door jam. RE: Production # Contact Ford Performance Group. 800-367-3788 www.fordperformancegroup.com http://www.fordperformancegroup.com/coolStuff/?var2=6 http://www.fordperformancegroup.com/...rtificates.pdf http://www.fordshowparts.com/store.cfm?store_id=1 http://www.svtregistry.com/ford-gt/index.html Thanks looks like 4/08 was the built date Link to comment Share on other sites More sharing options...
Cali_KR Posted May 9, 2010 Report Share Posted May 9, 2010 Mine was built Sept 12, 2007 and has the newer version as well... Link to comment Share on other sites More sharing options...
Secondo Posted May 13, 2010 Report Share Posted May 13, 2010 I switched mine, the 07 weighs 21 lbs vs your 08- 9 lbs! Man that sucker is heavy, its no wonder Ford switched them. Link to comment Share on other sites More sharing options...
Alloy Snake Posted May 14, 2010 Report Share Posted May 14, 2010 This has been brought up before and the dealer that said the early 08s have the 07 dampner is F.O.S. I bought mine 7-28-07 and it has/had the 08 dampner as all 08 models do-If someone has actually seen something different please post it up.So far it has been the same old "I heard".When I installed the IW 10% it was actually a little heavier than the one I pulled off. Link to comment Share on other sites More sharing options...
blacksmoke Posted June 28, 2013 Report Share Posted June 28, 2013 So what is the part number to the old 07 damper? Is 8R3V-6316-AB the new 08 part number or the old 07 part number? Mine was built in 09 of 2007 and need to know this asap! I looked at mine with the hood open and it read the number above.... Thanks Link to comment Share on other sites More sharing options...
SteelSteeds Posted June 29, 2013 Report Share Posted June 29, 2013 I think you're safe, my car was built before yours and has the newer balancer. I thought the part number for the new one was 8R3V-6316-AC. Not sure about the '07 part number. Link to comment Share on other sites More sharing options...
blacksmoke Posted July 1, 2013 Report Share Posted July 1, 2013 Actually i heard the new number was 8R3V-6316-AB and the old one started with a 7. I also heard these are NOT the part numbers.. they are the ENGINEERING numbers. The part number is 8R3Z-6312-B, and CURRENTLY comes up as 8R3Z-6312-D. Not sure if the B is the 07 part.. or if it was just changed to D because of a different reason. I've heard both. Regardless, Mine has three spokes in the middle of it and is not solid like most people say the 07 part is. However.... now someone is telling me that some 07's have a three spoke design and not a solid. And that even if they have a three spoke... it is a different three spoke than the 08 so you still have to change it. Im CONFUSED. The ENGINEERING number on mine is 8R3V-6316-AB But I dunno if they change the engineering number when they change parts. Or if its just the actual part number they change. Link to comment Share on other sites More sharing options...
blacksmoke Posted July 1, 2013 Report Share Posted July 1, 2013 I have the '08 dampner. :happy feet: :happy feet: :happy feet: Part # 8R3V-6316-AB See what I mean? Although this matches my number... this is NOT a part number. It is an engineering number. Link to comment Share on other sites More sharing options...
blacksmoke Posted July 1, 2013 Report Share Posted July 1, 2013 This picture that shows the different pulleys was taken from VMPtuning.com Part # 8R3V-6316-AB Thank you for posts. In this case, picture speaks a thousand words. Would have helped if this person said the part he listed here is the NEW one or OLD one. He put two pics showing the difference but and listed a part but again didnt say which it was.. and again listed the Engineering Number and not the Part Number. Link to comment Share on other sites More sharing options...
Secondo Posted July 1, 2013 Report Share Posted July 1, 2013 The heavy '07 balancer has no spokes. The lighter '08-up version has 3 spokes. I changed 2 of them. Link to comment Share on other sites More sharing options...
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