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Car 340 intake manifold for my boat?

stevemiller333

Contributing Member
Sorry if this had been asked before. I came across a clean intake manifold for a 340, looks the same as the one in my boat, came from a 68'.

I have a 74 340. Would these manifolds swap? They appear to be the same.
 
Yes, thers no diff btwn car or marine .... I bought a '73 for my '71 340 instead of an Edelbrock performer.
Although I would have liked the weight savings I've read more than once there actually
better

jack
 
Last edited:
By looking at the pictures, the 915 appears to be taller and the runners are shaped differently. You might check to make sure the carb flanges have the same angle front to back and verify the port sizes match the heads.
Other than that, it's the same thing only it's different.
 
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