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Old 10-24-2011, 11:27 AM   #2
Not Yet Wild
Join Date: May 2008
Location: USA
Posts: 14
Default Re: MCI 350 engine has gas & spark but will not run

Both cyls are low on compression.

140-160 is good compression.

Time to replace your valves. It's likely your rockers are hitting the valve spring retainers, and the valves cannot close.
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