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74 gto vacuum diagram

Jimmyjohn212
in Pontiac Performance Discussion/Questions

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Hey guys

I got a 69 catalina with 74 455 gto engine in it but can't seem to find the vacuum diagrams anywhere it seems like they decided to skip that year, any help or suggestions would help thank you!

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We happen to have the ‘69 Pontiac service manual on this site, free for you to download. You should be able to find the diagrams in the engine section.

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