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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Aug 2000 Posts: 248 'Bolter | | 'Bolter Joined: Aug 2000 Posts: 248 | After a long run at 2000rpm
(32-35 mph) my engine keeps trying to run after the ignition is turned off. This is a military truck with 6.5 rear axle...top speed around 45 mph.
261 engine is rebuilt stock...less than 500 miles on the clock. Using NOS R44 sparkplugs fired with Pertronix.
Temp. stays at 170 degree with a 165 thermostat.
Is it indicative that it needs tweaking on the ignition timing? Advance or retard??
Thanks for your help.
Bob C.
Bob C.
CMP Heaven
The Hammond Barn
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