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Big Chief Exhaust Manifold

Old 02-01-2014, 01:33 PM
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aex
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Default Big Chief Exhaust Manifold

Does anyone make a cast exhaust manifold for Big Chief heads?
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Old 02-01-2014, 02:54 PM
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Big chief uses bbc exhaust pattern. Only difference is its higher for obvious reasons...
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Old 02-01-2014, 08:02 PM
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The bolt pattern is the same but the ports are a bit bigger, round 2.13 inch http://www.offshoreonly.com/classifi...19&f=54519.jpg

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Old 02-02-2014, 12:23 PM
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Originally Posted by GPM
The bolt pattern is the same but the ports are a bit bigger, round 2.13 inch http://www.offshoreonly.com/classifi...19&f=54519.jpg
Exactly, however we had to run spacers to clear valve covers. I want to eliminate the port matching and spacers if possible. Definitely want cast aluminum also.

Last edited by aex; 02-02-2014 at 12:58 PM.
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