Post #12 by Dr Jay » Sun Sep 30, 2018 5:36 pm
Last thought, these studs, big 1” domed washers, nuts line up the ports better than you think. I convinced myself using a cheap gasket and a whittled chunk of pine. I used the pine to make some slugs that approximated the ports and tapped them in. Laying in manifolds on the head with the slugs holding the mani in places just marked the gasket along the top line.
Torqued the manifolds down to dent the gasket for exam.
After disassembly, I was convinced that sliding all three manifolds (2 fuel injection exhausts, and my trusty Clifford) as low as they could go on the clips in this pic lined it up perfect. 1 clip bottom row last stud on each exhaust manifold. 2 clips total.
Last tip, I mark the top edge of the manifolds on to the gasket surface. If the line disappears, they are drifting and need help. They have never drifted with those clips.
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Blessings,
Dr Jay
1978 F100 Shortie, Lowered front and rear, 300 .030 over, 300 carb head, Clifford, Holley 390
268 Comp Cam, Cloyes, Fuel Inj. exhaust manifolds, MSD 6A, TOD, 9"