John Shaffer is guessing a broken rocker arm.
So today I was running the engine to test a new tach and something
broke. Everything was normal and WAM BAM the right side AFR went off
scale lean. Now engine barely runs.
+
ok... assuming everything was good before JUST the tach install - and NOTHING
other than the tach was installed (please let us know if anything else was
done) - I am guessing electrical, where the coil is getting bad signal now.
Take the tach off and see if there is a change.
M.
__
Well in theory any intake leak will affect all cylinders since it disturbs the
amount of vacuum. Only a fuel injected engine would not notice very much.
The only noise I hear now is when I turn it over by hand there is a loud SNAP
every other rotation. If I dropped a valve seat that SNAP is
Thanks, a valve seat issue would make sense. I went and checked this am and #2
cyl is dead. Removed the valve cover and #2 is open about 1/8". Might make
for an interesting disassembly video. I'll be pulling the head later this week.
Craig
N886MJ
> On 12/12/2022 7:21 AM CST Mark Jones w
On 12/11/2022 11:52 PM, Phillip Matheson via KRnet wrote:
So today I was running the engine to test a new tach and something broke.
Everything was normal and WAM BAM the right side AFR went off scale lean. Now
engine barely runs.
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