A 4:1 compression ratio means something is definitely wrong. I'd check
compression on another known good engine before tearing into your B to
verify the problem is not your gauge.
-----Original Message-----
From: Jason B Lonon <j_lonon@lycos.com>
To: <mgs@autox.team.net>
Date: Tuesday, January 09, 2001 4:33 PM
Subject: engine not cranking
>---I know this is a very common thread, but I've not had too much success
>scanning the archives with the same kinds of symptonms/knowledge
>I've acquired about my pour B's problem. (It's a 72)
> To start with, it was running in good shape. Then one day I
>got caught in a rain storm, and the starter died on me. I eventually
>replaced the starter, and the engine will now crank, but it will not fire.
> I have re-checked the timing, it is good. I have cleaned out
>the carb to make sure no gas was gummed up in it. I have checked
>for spark, and I am getting spark from the plugs. The problem is,
>I'm a relative newbie with MG's, and I don't have the personal feeling
>for what constitues a strong sprak, or, something else I've been
>wondereing - is my starter motor turning over the engine fast enough?
>It 'sounds' slow ... but how can I really tell unless I know what
>it is supposed to sound like, and I only had the car a few days before this
happened.
> I bought a cylinder compression kit at the local parts store
>and tested the compression (in an effort to make sure I really was
>on TDC.) What kind of numbers should I get? I was only getting a reading
just over 60 psi...?
> And finally, I noticed when I flood the engine (to see if any
>reaches the plugs) I get gas leaking out from under the intake manifold ...
is that normal?
>Thanks ahead of time to anyone who might have a suggestion for my next
task.
>
>Jason B. Lonon
|