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SVT Shelby GT500
Thinking of rebuilding my rear axle. What to use for parts?
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<blockquote data-quote="Robert M" data-source="post: 16542916" data-attributes="member: 9628"><p>There have been some, I think I can even say many, who have a True-Trac and drag race their car on this forum. If you get into the high HP world and slicks, it may not be the best choice, but for recreational drag racing and street use, I have heard good comments from the guys who do drag race their car. Me personally, I am a street car guy with occasional sprints, so I do not test the True-Trac limits in my usage.</p><p></p><p>When I took the cover off of my 8.8 during the de-rust and restoration I found an amount of "black muck" in the very bottom of my center housing, this would be fluid that would not be emptied in a normal cover removal because it is lower in the housing, it required sucking it out and using a rag to clean out the residue. I found that the "black muck" seemed to be the heavier debris from the CF clutch pack in the posi unit........<<This was at 600 original miles, so I can imagine the amount of "black muck" in the bottom/sump of a higher mile GT500. I decided from that point that I did not want a "clutched" posi unit and instead a posi unit that did not have friction plates to wear and put debris in the bottom of my 8.8, that fine debris also somewhat circulates through all of the fluid, carrier bearings, axle bearings, pinion bearings, pinion and ring contact, etc. So by eliminating the wear factor of clutch discs, I should keep cleaner fluid in my 8.8.</p><p></p><p>BTW - That "black muck"..........it was like a liquid graphite in the very bottom of my 8.8 which indicates to me that yes, at least some of it was CF wear from that oem posi unit.</p><p></p><p>The Shelby cover/girdle is like the FRPP G1 cover and does require a panhard relocation brkt. and the FRPP G2 does not and is a nice piece, but I kind of like the "Shelby American" engraving....so I went that direction.</p><p></p><p>The Moser Street Axles.....they are C-clip design just like oem, so if C-clips are an issue for your usage, the Moser Street Axles would not be the best choice. I saw a post with the picture below on this forum a few years ago.......</p><p></p><p>[ATTACH=full]1678291[/ATTACH]</p><p></p><p>The oem axles "neck down" toward the spline end, that is where they will break it sufficient traction is achieved. I decided, while I was there and my 8.8 was apart, to upgrade the axles. The Moser Streets do not reduce diameter but instead are the same larger size the full length.</p><p></p><p>The rear Baer Extremes....I added them to match the front that Shelby had installed. It was a visual thing for me when the car is viewed from the side.</p><p></p><p>R</p></blockquote><p></p>
[QUOTE="Robert M, post: 16542916, member: 9628"] There have been some, I think I can even say many, who have a True-Trac and drag race their car on this forum. If you get into the high HP world and slicks, it may not be the best choice, but for recreational drag racing and street use, I have heard good comments from the guys who do drag race their car. Me personally, I am a street car guy with occasional sprints, so I do not test the True-Trac limits in my usage. When I took the cover off of my 8.8 during the de-rust and restoration I found an amount of "black muck" in the very bottom of my center housing, this would be fluid that would not be emptied in a normal cover removal because it is lower in the housing, it required sucking it out and using a rag to clean out the residue. I found that the "black muck" seemed to be the heavier debris from the CF clutch pack in the posi unit........<<This was at 600 original miles, so I can imagine the amount of "black muck" in the bottom/sump of a higher mile GT500. I decided from that point that I did not want a "clutched" posi unit and instead a posi unit that did not have friction plates to wear and put debris in the bottom of my 8.8, that fine debris also somewhat circulates through all of the fluid, carrier bearings, axle bearings, pinion bearings, pinion and ring contact, etc. So by eliminating the wear factor of clutch discs, I should keep cleaner fluid in my 8.8. BTW - That "black muck"..........it was like a liquid graphite in the very bottom of my 8.8 which indicates to me that yes, at least some of it was CF wear from that oem posi unit. The Shelby cover/girdle is like the FRPP G1 cover and does require a panhard relocation brkt. and the FRPP G2 does not and is a nice piece, but I kind of like the "Shelby American" engraving....so I went that direction. The Moser Street Axles.....they are C-clip design just like oem, so if C-clips are an issue for your usage, the Moser Street Axles would not be the best choice. I saw a post with the picture below on this forum a few years ago....... [ATTACH=full]1678291[/ATTACH] The oem axles "neck down" toward the spline end, that is where they will break it sufficient traction is achieved. I decided, while I was there and my 8.8 was apart, to upgrade the axles. The Moser Streets do not reduce diameter but instead are the same larger size the full length. The rear Baer Extremes....I added them to match the front that Shelby had installed. It was a visual thing for me when the car is viewed from the side. R [/QUOTE]
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Thinking of rebuilding my rear axle. What to use for parts?
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