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The Terminator
Driveline
03 Cobra IRS + Mach 1 = a big mess
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<blockquote data-quote="Azure Mach1" data-source="post: 2747736" data-attributes="member: 7499"><p><strong>updated</strong></p><p></p><p>So, here is an update for those who are interested.</p><p>As I mentioned earlier I was able to remove the old broken cover with the axles & diff still in the car. I swapped out the rear rubber bushing with a M.M poly bushing. When I removed the bracket that holds the rear bushing I noticed two cracks opposite each other in the corners of the bracket. I ground the cracks and welded them back up. This is something to look out for.</p><p>I wasn’t able to install the new cover without removing the axles and diff. I suppose with the hole in the old cover there must have been enough room for it to clear everything but the new cover was never going to go back on. </p><p>Now the dumb a$$ part, although the gears looked good after assembling everything they howled terribly in that happy spot right between drive & coast. I installed a new set of 4.10 gears and inspected the bearings. The bearings were fine and the new gears quieted everything right up. The old gears don’t show signs of wear and were run less than a mile after the cover broke but apparently that was enough to trash them.</p><p>One last tip, fill the diff before you install it. Or if you can’t do that fill it before you put the exhaust on. What a pain in the neck it is to fill one of these, especially with a diff cover girdle installed.</p><p></p><p>All is well now and this past weekend my car mad 288hp and 306 ft-lb torque at DynoLab with very few mods on a hot & humid day. I’m happy with these numbers. :beer: :banana:</p></blockquote><p></p>
[QUOTE="Azure Mach1, post: 2747736, member: 7499"] [b]updated[/b] So, here is an update for those who are interested. As I mentioned earlier I was able to remove the old broken cover with the axles & diff still in the car. I swapped out the rear rubber bushing with a M.M poly bushing. When I removed the bracket that holds the rear bushing I noticed two cracks opposite each other in the corners of the bracket. I ground the cracks and welded them back up. This is something to look out for. I wasn’t able to install the new cover without removing the axles and diff. I suppose with the hole in the old cover there must have been enough room for it to clear everything but the new cover was never going to go back on. Now the dumb a$$ part, although the gears looked good after assembling everything they howled terribly in that happy spot right between drive & coast. I installed a new set of 4.10 gears and inspected the bearings. The bearings were fine and the new gears quieted everything right up. The old gears don’t show signs of wear and were run less than a mile after the cover broke but apparently that was enough to trash them. One last tip, fill the diff before you install it. Or if you can’t do that fill it before you put the exhaust on. What a pain in the neck it is to fill one of these, especially with a diff cover girdle installed. All is well now and this past weekend my car mad 288hp and 306 ft-lb torque at DynoLab with very few mods on a hot & humid day. I’m happy with these numbers. :beer: :banana: [/QUOTE]
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03 Cobra IRS + Mach 1 = a big mess
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