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Re: [T3] Diagnostic help: Loud popping...Àvalve p roblems?


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If the heads were done by a competent rebuilder the valve seats should never
come loose, even on a big motor... this was a T4 problem and even then there
was a good fix.  Ive had the keeper grooves fail... cracked valve spring??
loose head?

Keith

> My next guess is...I $ hate $ to $ even $ think $ it $...compression check
> the cylinders to find the side with the burned valve/dropped valve seat.
> Suggestions?  Remember, bored and stroked 2007cc w/8:1 compression, 40mm
> Dells.  More info at http://www.icbm.org/erkson/personal/VWSTATS.HTM
> This is a fairly new engine, just broken in last year (dino oil, no
> synthetics) and not driven much.  Help!--
>      Toby Erkson
>      air_cooled_nut@pobox.com
>      '72 VW Squareback, '95 VW Jetta, '81 Gold Wing
>      http://www.icbm.org/
>
>
>
>
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