Engine Differences??
Moderator: martauto
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Dunx
- E30 Zone Regular

- Posts: 323
- Joined: Fri Apr 29, 2005 11:00 pm
Its my understanding that early 325 sports had a higher compression engine than later models. What was actually changed when they did this? and does anyone know what the valve clearances are on the later spec engine?
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Templ8e30
- E30 Zone Addict

- Posts: 2801
- Joined: Mon Jan 10, 2005 11:00 pm
- Location: Ashton-under-Lyne, Lancashire
From what I've read over the years the early high compression engines use different pistons to give the higher compression.
All the M20 6 cylinder engines have valve clearances of 0.25mm cold and 0.3mm hot.
Cheers,
Iain T
All the M20 6 cylinder engines have valve clearances of 0.25mm cold and 0.3mm hot.
Cheers,
Iain T

2007 Mazda 6 2.0 estate
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