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#1
03-27-2024, 07:22 PM
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66 GTO Exhaust manifold question
Can someone tell me if there is supposed to be some sort of a donut where the exhaust pipe connects to the exhaust manifold on a 66 GTO?
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#2
03-27-2024, 08:10 PM
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No donut or any kind of seal.
The tapered opening on the manifold seals directly to the flared end of the head pipe. 1963 was the last year Pontiac exhaust manifolds used a seal at the head pipe, the opening wasn’t tapered like 1964 and later manifolds.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
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