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HP Block & Yellow Terra Head holden 6
Rank: Newbie
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Joined: 20/07/2025(UTC) Posts: 1 ![Australia]( "Australia") Location: Forster
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I just purchased a 6-cylinder holden engine with HP on the side the engine number starts with M 87559, I have never come across this before. I have been told it is a 173 HP did they ever make this? The yellow terra head has 7437395 H308. could anyone tell anything about these plz
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Rank: Member
Groups: Registered
Joined: 11/09/2016(UTC) Posts: 213 ![Australia]( "Australia") Location: OZ Was thanked: 24 time(s) in 23 post(s)
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HP = 179ci EH Holden 1963 - 1964.
7437395 is a HK Holden large chamber cylinder head used on low compression 161ci and high & low compression 186ci engines.
Cast date code H308 = August 30 1968
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Rank: Veteran
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Joined: 1/03/2005(UTC)
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As above, HP just signifies the larger engine in the family. At the start of HT, 253 and 308 were the same, 308 had HP on the side. |
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HP Block & Yellow Terra Head holden 6
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