Whats this sound ? (vid inside)

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Stevin
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Post Mon Aug 14, 2006 10:42 am

I can't figure it out...

That sound that comes and goes... sounds like a camshaft 2 me... but I'm buggered if I know.

Click here to watch Engine-noise-16
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Stevin
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Post Tue Aug 15, 2006 7:26 am

Anyone know ?
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Turbo-Brown
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Post Tue Aug 15, 2006 8:09 am

The light rhythmic ticking sounds like the tappets to me, the heavy knocking sounds like something much more sinister :(

Mine made a sound like that when one of the big ends gave up the ghost.
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Stevin
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Post Tue Aug 15, 2006 8:13 am

The car has only done 700km ... and it's been making that sound since I fired it up... I dunno.
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Turbo-Brown
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Post Tue Aug 15, 2006 8:30 am

Oh dear.

Has the engine had a rebuild or something?

Might be an idea to not run it untill the source of that noise is traced and rectified!
325i Twin Turbo (until 10am 01/12/07 :( )

www.air-in.co.uk free M20 exhaust and inlet flange
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mikey-t
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Post Tue Aug 15, 2006 8:35 am

rhythmic possibly manifold leak. as for the knocking! i dunno but sounds expensive, possibly spun a shell
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Stevin
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Post Tue Aug 15, 2006 9:07 am

That noise the knocking... has been there since we fired it up, I can't really figure out what it is... it get softer when u rev up the engine...
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Stevin
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Post Tue Aug 15, 2006 3:54 pm

Sorry, the motor is a 2.9lt stroker, 328i crank, M20 325i rods, E36 M3 pistons.

Head is stock except for Gasflow, and 288 Schrick.
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