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philmag

Cobra irs axle girdle cover - ford racing

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philmag
, 04-27-2015 at 12:39 PM (2808 Views)
Hello All -- I have recently received my FF MK4 on April 14th and am making some headway. I have seen some info on the forum with regards to fitting the Cobra IRS Axle Girdle Cover by Ford Racing. I have an 8.8 differential from a Lincoln MK VIII, installed a Eaton Truetrac differential with 3:55 gears. The differential is all painted with the new rear cover installed. As I research, I am finding that it wont fit unless I remove the cover. Please tell me it isn't so. I have seen a video where someone installed the pumpkin (did not have the dressed up Axle Cover) thru the rear suspension bars but the did not remove the rear cover.

I attended the build school in the beginning of February and so far am moving right along on removing the panels. Any help in this matter would be greatly appreciated. Thanks
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  1. Jacob McCrea's Avatar
    "As I research, I am finding that it wont fit unless I remove the [Motorsport] cover. Please tell me it isn't so."

    The only way to make it fit without removing the cover is to grind a small amount of metal from either the top or the bottom of the differential (or both). Don't do that. I did and it was a massive waste of time. You are better off (although perhaps not by much) separating the diff and cover, installing them in the frame, then bolting them together in the frame. I would strongly suggest making 2 or 3 studs to line up the cover, which will likely save some aggravation. I could see myself with blood and RTV on my hands without a few studs to line up the cover.
  2. philmag's Avatar
    Quote Originally Posted by Jacob McCrea
    "As I research, I am finding that it wont fit unless I remove the [Motorsport] cover. Please tell me it isn't so."

    The only way to make it fit without removing the cover is to grind a small amount of metal from either the top or the bottom of the differential (or both). Don't do that. I did and it was a massive waste of time. You are better off (although perhaps not by much) separating the diff and cover, installing them in the frame, then bolting them together in the frame. I would strongly suggest making 2 or 3 studs to line up the cover, which will likely save some aggravation. I could see myself with blood and RTV on my hands without a few studs to line up the cover.

    Jacob - You were correct. The damn thing does not fit with the cover on. I had to remove it and wrestle it into place, block it with wood and reseal the cover. It does not fit the way FF suggests the install.

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