You really don't have the option. If your tag or axle cover states it uses synthetic, you must use synthetic. Most if not all dealers stock the motorcraft friction modifier. One of our wrenches has a 03 MM and is going to see DAVE in the next couple of weeks. He has 4.10's coming and I can guarantee he will add synthetic and friction modifier.
Yes, if you go to long without it, you clutch packs will stick together and become one solid POS...
Sorry, ment to post as reply not new thread
Last edited by 01True BlueGT; 11-27-2003 at 08:02 AM.
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01 - Any way welcome to the MM site.
2003 Marauder 300B,
6468 out of 7839 - Thanks Brian
Heated Seats
35% Tint
Mercury All Weather Mats
Trunk Organizer - Thanks MartyO
Sold 4/3/2009 Now resides in AL.
1961 Pontiac Bonneville Convertible
1973 Oldsmobile Toronado
2012 Kia Sedona Van
2008 Corvette Convertible
2003 Marauder 300 A Thanks Larry O 6/14/17
2021 Prius Prime Limited
2023 Chevrolet Silverado High Country
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----- John
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