Limited slip groan - to those who have fixed yourself....
3/23/07, 05:56 AM
#41
Join Date: April 12, 2005
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No one told me about the carbon fiber clutches 2 years ago, so I inadvertently purchased the M-4700-B clutches for my 00 Crown Vic t-lok install. Had I known about M-4700-C, I would have bought that and tested it out in my Vic. The "B" clutches are a weird beast. They can last as short as 5,000-10,000 miles or as long as 100,000 miles depending on how you drive. The more J-turns and burnouts that are done, the shorter the life (obviously) but normal driving won't kill it as quickly. They always slip when you make a turn.
The 4 Tru-Trac failures have goten me worried.
3/23/07, 06:41 AM
#42
Mine was quiet until I put in the 410's and used redline fluid 75W90 which was supposed to have the friction modifier in it. It started this groaning in turns so I drained the fluid and put in royal purple 75W140 and no more groan. I'm not sure if the difference in the weight of the iol is to blame or the lack of friction modifier. I had the gears installed by a master ford technician on his own time at the dealership and they seem to be set up correctly.
3/23/07, 06:57 AM
#43
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Mine was quiet until I put in the 410's and used redline fluid 75W90 which was supposed to have the friction modifier in it. It started this groaning in turns so I drained the fluid and put in royal purple 75W140 and no more groan. I'm not sure if the difference in the weight of the iol is to blame or the lack of friction modifier. I had the gears installed by a master ford technician on his own time at the dealership and they seem to be set up correctly.
11/18/07, 10:18 PM
#48
Team Mustang Source
It's only about $6 for a bottle of XL3 friction modifier at your local dealership. Takes about 5-10 minutes to put it in. The only hard thing I found was it was tough getting that darn plug out from the differential. I didn't have the right size tool either, so that sucked. I managed though.
11/26/07, 05:47 PM
#51
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Join Date: January 15, 2005
Location: So. FL
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I don't have to worry about the same happening to mine. I now have an Eaton/Detroit TrueTrac. Had it installed with my FRPP 4.10s a couple weeks ago.
11/26/07, 07:44 PM
#52
Big Falken Tires
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PM me with details on that sucker, install, where'd you have it done, etc.... ya bastid.... you just might make me spend some more $$$$
I just did some research and that sounds like a darn good idea for my ride (maybe not right NOW but maybe in a bit)
eliminates the clutch packs - and I was considering new gears.....
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