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Standard pushrod length 1979/80 |
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NeilMcG 
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Joined: September-20-2021 Location: Pittsburgh, PA Status: Offline Points: 230 |
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 Topic: Standard pushrod length 1979/80Posted: July-23-2023 at 8:11pm |
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Does anyone know the factory pushrod length for PCMs 351 for years '79/'80?
Engine came out of an 80, but the casting has it as being a 79 |
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11221 |
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Posted: July-24-2023 at 6:32am |
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here's an old thread with some familiar names, your 79,80 pushrods are the same as the 85 pushrods
 link
You should have stamped steel rockers like in the picture below, so it's 8.185 for the standard pushrods  But with your engine at a machine shop and machining being done you may need shims or shorter pushrods. Let the machine shop tell you |
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NeilMcG
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Joined: September-20-2021 Location: Pittsburgh, PA Status: Offline Points: 230 |
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Posted: July-24-2023 at 8:49am |
Yeah I recall that thread:) but things have changed a tad. |
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KENO wrote: