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TOPIC: 1966 merc 500

1966 merc 500 13 years 1 month ago #46450

Well I took a little road trip last weekend and I pick up a 1966 merc 500 short shaft for my new project. Its a 1969 duo x15 I'm fixing up for my brother. I noticed on the side of the block it say "Full-jeweled super thunderbolt trademarks H" does that mean anything special or do they all say that? The serial number is 1963115 which I believe is a 1966. It has 110 psi on all 4 with spark should be a keeper :laugh:
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Re:1966 merc 500 13 years 1 month ago #46456

fully jeweled , nothing special means it fully bearing'd

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Re:1966 merc 500 13 years 1 month ago #46472

  • stashm2
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I love those older Merc 500's mine are all 1968 to 72 and lack the awsome chrome! Enjoy

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Re:1966 merc 500 13 years 1 month ago #46485

Congrats on the find. I have been running a 65 Merc 500 for the past three years and couldn't be more pleased. Awesome chrome indeed.

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1970 Glastron V-142 SkiFlite
1965 Merc 500
1968 Merc 500

Re:1966 merc 500 13 years 1 month ago #46488

i had one way back when and i did some internal work on it. got it to run 7200 rpm with a test wheel normal for a real good one was 6000 rpm.loved it.

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