<VV> Head studs, was: PG Turbos??

[Mark Corbin]

On that subject, I've always wondered what it would have been like had GM
designed the block so as to have head studs that went completely thru the
block and then been backed up with a jamb nut inside the crankcase. Just
food for thought.

-Mark


> [Original Message]
>
> TONY SAID (IN PART):
> but I've not seen heads blow off, ever.
>
> Now I will agree I have never seen a head 'blown off' but on 68 and 69
engines
> and a number of times on other year cars also.
>
> I have had several occasions to put 'heli-colis' in the block when the
threads
> started to fail.  It is easy to tell it has happened by the merry little
psst, psst, 
> psst coming from the engine compartment.  I believe most refer to that
situation 
> as a 'blown head gasket. They don't have to move very far for that to
happen but, 
> it is possible;e to see where the threads are pulling out of the
crankcase.  Perhaps, 
> after that there will not be enough cylinder pressure to harm anything :-{
>
> Ken 
>