> -----Original Message-----
> From: Greg Schluge [mailto:gschluge@cstone.net]
>
> I have a 76 spit 1500 that leaks oil from behind the head. I
> have removed the
> rocker assy, re-torqued the head (went to 60 ft-lbs) and
> re-adjusted the
> valves, 7-8 had to be loosened. I thought that I had the
> problem fixed
> because it dried up significantly for a week or so. But it
> is back marking
> it's territory again, and a fairly significant leak. I am
> getting ready to
> pull the head, check the head and block for flatness and
> replace the head
> gasket. Any experience you can offer with this oil leak will
> be appreciated.
Hi Greg,
Oil leaking from the left hand rear corner of the block/head
interface is a noted weakness on the Triumph SC engine. This is where the
top end oil-feed passes throught the head gasket. The cure is simple, but
involves removal of the head and replacing the gasket. When fitting the new
gasket, apply a thin smear of good quality gasket sealant (I use Hylomar)
ONLY around the oil channel - torque down the head as normal with the usual
re-torqueing after 500 miles. Of the 35+ Triumphs I've owned with this
engine, nearly all have leaked at this point to some degree. Gasket
replacement in it's own right is rarely a complete cure, but using the
Hylomar does seal up the leak.
Cheers,
Bill.
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