Ok, but remember the MG "B" series engines are NF threads.
XPAG is metric 10 x 1.5 mm head stud.
In my experience, there is nothing wrong with original head studs with nuts
torqued to 50 ft-lbs for a cast iron head.
My TC race engine has an aluminum Lucas Laystall head and the nuts are
torqued to 42 Ft-lbs.
I doubt stronger head studs are necessary or even desireable, you might just
bust something else??
So far, I have never had a head gasket failure with either cast iron or
aluminum heads. I think there is something else wrong.
Good luck sorting it out. .
Bob Grunau
Check with Advanced Performance Technology, Riverside CA, 951-686-0260.
They carry 190,000 psi studs for the B series engine, and might have for
XPAG also.
Bob
On Sun, 30 Sep 2007 22:00:38 -0400 "KRISLYN COMPANY"
<KRISLYNCO.LLC@roadrunner.com> writes:
> hello again
> was talking with a gent from new england area that rebuilds TD's etc
> and he
> indicated that there was a higher tensil set of head bolts made that
> allow
> higher torquing of the head bolts thus perhaps better head to block
> fittment... both surfaces have been machined by a qualififed
> machinist as
> flat,, yet I have had trouble (4 gaskets to date fit and failed)
> ...does
> anyone know of these "stronger" bolts availability?
> thanks again
> rocky
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