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Re: [Healeys] no compression 100

To: "kaynmike.bham@juno.com" <kaynmike.bham@juno.com>
Subject: Re: [Healeys] no compression 100
From: Alan Seigrist <healey.nut@gmail.com>
Date: Tue, 3 Feb 2009 08:57:17 +0800
Mike -

Taking a head off the 100 is a really easy job.  I could probably have the
head off in an hour.  5 min drain the radiator, 10 min remove the carbs (4
nuts, 1 cable), 5 min remove the manifolds, and about 15 min to remove the
head, and another 25 minutes for puttering about.  It's not a difficult job
and can be done in a morning or afternoon, your choice.

Take the head off, and check the gasket.  If it's fried, get a new one,  If
not, then take the head to a machine shop and have them crack test the head.
If it's not cracked, check the valves and make sure their aren't sticking
open (did you install bronze valve guides possibly - if so these have a
nasty tendency to stick open?).

Any way you cut it the head needs to come off.

Alan

'52 A90
'53 BN1
'64 BJ8


On Tue, Feb 3, 2009 at 8:14 AM, kaynmike.bham@juno.com <
kaynmike.bham@juno.com> wrote:

> I was in here a few weeks ago on this ("blown head gasket") and got great
> suggestions. Have tried most all of them.ignition, fuel delivery, timing,
> etc.
> On a whim I tested the compression. 132, 128, 24 and 22. so 3 and 4 have
> suffered some With the cover off, the valve train appears to be ok. Also
> checked torque (cold) all ok. I'm hoping (now) for the gasket to be
> actually
> blown. Any ideas?
> Mike Gougeon   56 BN2
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