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#1
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77/78 rear bumper cover
Can anyone tell the specs or point me in the right direction on the rear cover. The 10 screws/bolts that connect the rear cover to the rear reinforcement bar? I'm cannot find anything at AMK products or any of the suppliers. I'm putting together a rear bumper assembly that was taken apart before my ownership. All I have is some broken screws left in the top and bottom of the bar with the heads removed. Does not have to be 100% correct but want to get close to org. appearance.
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#2
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1978 Rear Bumper Cover
If I remember correctly, my 1978 Trans Am rear bumper cover did not have screws or bolts. It used large diameter "pop rivets" to fasten to the bottom to the steel beam.
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#3
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They are riveted from the factory.
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
#4
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Yep I drilled and tapped them and used fender washers
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#5
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77 and earlier cars used a steel reinforcement bar and something like number 12 size coarse screws. Beginning in 78 steel rivets were used.
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#6
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My two 77s have rivets
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
The Following User Says Thank You to 72projectbird For This Useful Post: | ||
#7
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Another one for rivets, but certainly won't be going back that way. I tapped out the bumper, and got low-profile dome bolts with washers to spread the clamping force. Bumper can now be assembled and pulled apart as often as wanted and also allow room for adjustment somewhat.
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The Following User Says Thank You to Trevor78 For This Useful Post: | ||
#8
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Thanks all for responses. The rear bumper cover on my car (77), from new....has never looked right. As it has aged it has this pebbly cottage cheese look on the surface. I got a used one the has a small tear in it. Looking forward to repairing it, and installing it!!!
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1977 Black Trans Am 180 HP Auto, essentially base model T/A. I'm the original owner, purchased May 7, 1977. Shut it off Shut it off Buddy, I just shut your Prius down... |
#9
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Quote:
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"Those poor souls have made the fatal mistake of surrounding us. Now we can fire in any direction" 1970 Trans Am RAIII 4 speed 1971 Trans Am 5.3 LM7 1977 Trans Am W72 Y82 1987 Grand National |
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