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How smooth is your v8 tickover? - Engine/Ancilliaries - The Lotus Forums Jump to content
dclare

How smooth is your v8 tickover?

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At tickover it has a general shake which  is enough to make the mirrors vibrate. It idoes it evenly enough and is smooth mechanically (if you can have such a thing as a smooth vibration). It's not like something is touching the chassis - not a mechanical vibration, it just feels like a rough 4 cylinder at tickover. 

Its had new engine and gearbox mounts fitted by PNM but no difference.

As a V8 I would have thought tickover would be supersmooth. 

What tickover speed to others run at? Mines around 1000rpm.

Thanks.

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https://en.wikipedia.org/wiki/Flat-plane_crank

Quote

The flat-plane crankshaft is a design that is no longer used in most mass production road cars as it carries more vibrations and is inherently much louder than a crossplane crankshaft. However, its inherent higher rev limit means it remains useful in sports and racing cars.

 

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Tickover is usually a little lower at 900rpm.  Should be nice and smooth and stable.  At the slightly higher tickover rpm, it should definitely not feel rough.  Are you sure that you do not have a vacuum leak somewhere on the plenum?

 

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