morris marina?

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jean philippe 84320
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morris marina?

Post by jean philippe 84320 » Thu Sep 19, 2024 2:49 pm

Hello
I have a Marlin with a morris marina 1300 engine with the engine number12V 639 EH 259084. Can you tell me which marina it is from?

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MarinaCoupe
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Re: morris marina?

Post by MarinaCoupe » Fri Sep 20, 2024 6:35 pm

It’s from a late Mk1 1.3 Marina.

jean philippe 84320
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Re : Morris Marina ?

Post by jean philippe 84320 » Sat Sep 28, 2024 11:57 am

Hello, is my 12V259084. 639 engine a van or a pick-up truck?
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MarinaCoupe
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Re: morris marina?

Post by MarinaCoupe » Sat Sep 28, 2024 2:13 pm

Your engine is more likely to have come from a saloon/coupe than a commercial. The letter ‘H’ in the code indicates high compression pistons 8.8:1, an ‘L’ would indicate low compression pistons 8.0:1. If your engine has been rebuilt previously, then there’s no guarantee that high compression pistons were used if they were replaced.

A compression check on a good low compression engine should show about 150psi.

A compression check on a good high compression engine should show about 170psi.

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