I blew a head gasket in my '71 last year racing. Compression went to
hell, and there was antifreeze/oil all over the side of engine. As it
turned out the gasket had let go between #2 (I think) and the passenger
side of the motor. No clonking noises ever though.
James Nazarian
'71 B roadster
'71 BGT rust free and burnt orange
'74 BGT going by-by soon
'63 Buick 215
On Fri, 3 Mar 2000, Alex Baroiant wrote:
> First, thanks to all those who replied. The help and the insight is
> invaluable...
>
> I checked the Timing, it's OK
>
> The valves are not stuck.. they move freely, and the clearances are OK
> (except on Cylinder #1, they were a bit too tight. Peculiar since I had
> hardened seats put in 2 years ago...)
>
> As for the bearings: there is no noise from the bottom end of the motor. In
> fact, no odd sounds from the engine when it is operating in neutral.
>
> Oil pressure is good.
>
> Compression is 140 psi @ #4, 144 psi @ #3, but only about 30 psi on
> cylinders #2 and #1. Which leads me to believe that it's either the
> cylinder head gasket, or the head itself. With the Air filters off, the
> front (#1) carburetor tends to spit gasoline OUT. This tells me that there
> is some kind of lead between cylinders # 1 and # 2.
>
> Of course my reasoning could be completely wrong!
>
> Any ideas? how can I tell if it's the gasket vs. the head? (without taking
> the head off...if possible)
>
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