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Old 06-30-2014, 05:49 PM
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Bentwheelbob Bentwheelbob is offline
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I'm traveling again this week and want to get the exhaust ordered, but don't have the benefit of being home to check some details. Are the standard log manifolds on the W72 a two or three bolt flange?

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Old 06-30-2014, 07:32 PM
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Alvin Alvin is offline
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Originally Posted by Bentwheelbob View Post
I'm traveling again this week and want to get the exhaust ordered, but don't have the benefit of being home to check some details. Are the standard log manifolds on the W72 a two or three bolt flange?
1978 Pontiac Service Manual shows manifold to exhaust pipe Fig. 6F-13 Exhaust Manifold Connections F Series Typical VIN Code Z:

L.H. Side 3 studs

R.H. Side 2 studs

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