I purchased a new ford Aluminum IRS differential from Forte thus week, the instructions that came from the factory says to use a casket sealer when installing the cover but it came with a paper casket, do I use both or just the paper casket that came with it?
Thanks everyone for the help
Opinion will differ on this subject but I like to use both. Start with the small bead on the diff housing then the gasket. Lastly use the RTV again on the gasket, another small bead and remember to let it to start to just skin over. Place the cover on and torque down the bolts in a chris crossed pattern.
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Frank
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Bill D
FFR 3378 - 503 BB, $old and missed
RCR GT40 - 1051P clone, $old
FFR 7991 - becoming a 289 FIA with a Mr. Bruce body, 331, dual quads, T-5, IRS, Trigo pin drive wheels, and Goodyear billboards http://www.bills289fia.com
There is 'specific' differential gear oil RTV at NAPA. When I went to ford and asked about a gasket they said because of the molded in valley in the cover you dont need a gasked, just a good RTV bead?!?
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FFR 7819, MARK IV, 408 Engine, TKO 600 mid shift, Holley 750 DP, IRS, FFR Halibrand wheels , Dual chrome roll bars / bumpers / Polished exhaust, Heater, Cobra seats, 245/45 & 315/35
Received 8 JUN 2012
Roller 20 JUL 2012
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No right or wrong answer here but the chances of a seep or a leak is much less with RTV. Just be aware that there are many types of RTV and you need to use one that specifies that it is formulated to use with differential lubes. The plus side of a gasket is that it is MUCH easier to get the cover off should you need to do so in the future.
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FFR 6055, 351W engine in 5/09, TKO 500, Pin Drive IRS, Non-donor build, Trigo 15's, Inspected and street legal 12 Oct 2011
I used Permatex black magic silicone sealer. That was 9 years ago.
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.boB
Dart 427W, Momar 8 Stack EFI, 600'ish hp, TKO, 3.55 TruTrac, Red with Ghost Flames. More fun than should legally be allowed. http://home.comcast.net/~bobcowan035/site/
I am a gasket fan silicone a pain if you have to go back in . From a cost stand point itys about equal . Bob
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FFR5020 MK III Whitby body +paint, sai mod, Tremec,408, Cobra/Oben brakes , Halibrands, mass flo , gas n pipes, levy rad team3 spinners.Fortes driveshaft, pulleys ,and quick release steering
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