Author Topic: 455 HO Exhaust Cross-Over Heat Shield Questions  (Read 1862 times)

MalteseFalcon

  • Active Forum Member
  • *
  • Posts: 731
455 HO Exhaust Cross-Over Heat Shield Questions
« on: April 03, 2021, 02:15:15 PM »
Howdy.

Would anyone happen to know what hardware is used to hold the heat shield onto the exhaust crossover on the 1971 - 72 455 HO aluminum intake manifold set up? I have an original manifold and cross-over, and ordered the heat shields from Ames, but they don't come with hardware.
Picture for reference:



Also, what is the correct finish for the heat shields? They come in a kind of grey paint, which could be primer. I would think that the originals would have been plated, but I'm not sure.

Steve

1978 WS6 - W72 4 Speed, Martinique Blue on Light Blue - Fire Am Restification Project
1972 Trans Am 455 HO 4 Speed (one of 458)

2000 WS6 6-Speed Trans Am, Black on Ebony (sold)
1976 455 4-Speed Trans Am, Goldenrod Yellow on Saddle (sold)
1976 455 4-Speed Trans Am, Firethorn Red on Firethorn Red (sold)

darrylta

  • Active Forum Member
  • *
  • Posts: 149
Re: 455 HO Exhaust Cross-Over Heat Shield Questions
« Reply #1 on: April 05, 2021, 12:14:34 PM »
I think the anchors were called rivets.
They look like cut nails.
Darryl

71455formula

  • Active Forum Member
  • *
  • Posts: 878
Re: 455 HO Exhaust Cross-Over Heat Shield Questions
« Reply #2 on: April 05, 2021, 12:46:56 PM »
Rivets.
1971 LS5 Formula. It's on the road finally!
2013 GMC Sierra 5.3l 6 speed Diamond White(sold)
2013 GMC Sierra Denali 6.2 6 speed AWD (sold)

MalteseFalcon

  • Active Forum Member
  • *
  • Posts: 731
Re: 455 HO Exhaust Cross-Over Heat Shield Questions
« Reply #3 on: April 05, 2021, 07:48:07 PM »
Perfect, thank you! That makes a lot of sense.

Do you happen to remember how the heat shield was finished? I would expect some kind of tin plating, like on the exhaust heat risers?
Steve

1978 WS6 - W72 4 Speed, Martinique Blue on Light Blue - Fire Am Restification Project
1972 Trans Am 455 HO 4 Speed (one of 458)

2000 WS6 6-Speed Trans Am, Black on Ebony (sold)
1976 455 4-Speed Trans Am, Goldenrod Yellow on Saddle (sold)
1976 455 4-Speed Trans Am, Firethorn Red on Firethorn Red (sold)

71455formula

  • Active Forum Member
  • *
  • Posts: 878
Re: 455 HO Exhaust Cross-Over Heat Shield Questions
« Reply #4 on: April 07, 2021, 09:42:20 AM »
Like the heat risers that cover the exhaust manifolds. Hope that helps.
1971 LS5 Formula. It's on the road finally!
2013 GMC Sierra 5.3l 6 speed Diamond White(sold)
2013 GMC Sierra Denali 6.2 6 speed AWD (sold)

Re: 455 HO Exhaust Cross-Over Heat Shield Questions
« Reply #4 on: April 07, 2021, 09:42:20 AM »

MalteseFalcon

  • Active Forum Member
  • *
  • Posts: 731
Re: 455 HO Exhaust Cross-Over Heat Shield Questions
« Reply #5 on: April 07, 2021, 01:20:45 PM »
Like the heat risers that cover the exhaust manifolds. Hope that helps.

Like this:



That does help! Thanks!
Steve

1978 WS6 - W72 4 Speed, Martinique Blue on Light Blue - Fire Am Restification Project
1972 Trans Am 455 HO 4 Speed (one of 458)

2000 WS6 6-Speed Trans Am, Black on Ebony (sold)
1976 455 4-Speed Trans Am, Goldenrod Yellow on Saddle (sold)
1976 455 4-Speed Trans Am, Firethorn Red on Firethorn Red (sold)

Re: 455 HO Exhaust Cross-Over Heat Shield Questions
« Reply #5 on: April 07, 2021, 01:20:45 PM »
You can help support TAC!