Is ti possible they put in bronze valve guides and didn't ream them
properly?
Jack
----- Original Message -----
From: "Lawrence Brown" <larryandrobin@charter.net>
To: <6pack@autox.team.net>
Sent: Sunday, May 04, 2003 6:36 PM
Subject: broken rockers,bent pushrods
> Hello Listers,
> I have a '74 TR6 that I've been trying to wake from a 10 year stalled
> restoration. The previous owner said the engine had been rebuilt, and it
> appears so. After cleaning out the entire fuel system and carbs of
jellied
> gasoline I got it running, not great, with a few backfires. Oil pressure
100
> lbs., which came down to about 60 in 10 minutes. When I went to start it
> again today, there was valve clatter immediately, and I shut it down. I
have
> 2 broken rocker arms and at least 4 severly bent pushrods. Can anybody
tell
> me what happened? Can 3 or 4 backfires damage the valve gear so badly?
Do
> you suspect the oil feed to the rocker shaft? Can carburation or timing
> errors cause this?
> Any ideas would be greatly appreciated. I've done over 100 separate
jobs
> to this car, and have yet to ride one block. Its getting depressing.
>
> Larry Brown
> Asheville,NC
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