Exhaust Manifold Donut

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PeteG41

Well-known member
Joined
May 18, 2022
Messages
180
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57
Location
Tempe, AZ
My Car
351c 2v, FMX Transmission. Ordered from Sanderson Ford in Phoenix, 99k original miles.
Just was looking for some clarification. 73 Mach 1, completely stock. I have an exhaust leak at the connection between the manifold and the pipe. Looking at those donut type gaskets I am getting a couple different sizes that say they are for my engine. CJ pony parts has the inside diameter at 2 1/8 for a 351c. Orielly has one that fits my year and it shows an inside diameter of 1 7/8 for 351c. Which one of these is correct?
 
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