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Old 10-20-2021, 09:21 PM
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SS427 SS427 is offline
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Default 70 L89 engine

I am restoring a 70 L89 and am hoping someone can tell me what;
type of head bolt design was used
Type of exhaust manifold bolts were used (such as all washer head or no washers for example or were they like the cast iron heads)
Type of head bolt design on the intake

I know exactly what was used on a normal BB with aluminum intake but not sure on an L89 with aluminum heads. Since this is the only 70 L89 known to exist, if any of you 69 owners can share close up photos of your survivor or perfectly restored L89 cars bolts look like it would be much appreciated.
Rick
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Rick Nelson
Musclecar Restoration and Design, Inc
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specializing in (only real) LS6 Chevelle restorations
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