#1  
Old 01-25-2025, 12:19 PM
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70 Rick 70 Rick is offline
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Default Do I need a new air horn?

Hi guys,

Decided rebuilding my quadrajet would be a good winter project. Upon disassembly, discovered a crack in the air horn behind the choke secondary flaps. Is this a deal breaker? If I need a replacement, which part numbers would interchange? pn is 7035572, for 70 GTO.
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  #2  
Old 01-25-2025, 01:32 PM
gto4ben gto4ben is offline
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Default

I've successfully used Muggy Weld Super Alloy 1 to repair Quadrajet cracks.

  #3  
Old 01-26-2025, 10:45 AM
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Kenth Kenth is offline
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The crack will not degrade performance in any way, but air horn is from a 1967-68 Pontiac Quadrajet.

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  #4  
Old 01-26-2025, 12:58 PM
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70 Rick 70 Rick is offline
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Thanks guys, much appreciated

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