Quote:
Originally Posted by Wagons4Ever
Thank you from Scottsdale, Arizona! I've heard plenty of stories regarding dropped valve seats and numerous corresponding solutions to the problem ranging from 180 degree thermostats, adjusting fan temps turn on thresholds (need a tuner for this adjustment?), employing hot-engine shutdown routines (idle for 60 seconds before shutting down, to replacing heads/valve seats in heads, swapping to SRT heads, etc. Sounds like you have some personal experience with this catastrophe. Do you know what, if any, of these fixes work?
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I don't know for sure if any of these fixes definatively work. All of them make since as "prevenitives"
I had my Magnum for more than a year & driven it in a variety of conditions (Ga. summer; Atlanta Metro rush-hour; occasional blasts down the 1/4 mile) with no problems.
I stopped at Tires Plus one day for an oil & filter change. When I got ready to leave, the car refused to start. The motor spun over, but it wouldn't fire. After about 15 minutes of repeatly trying to start the motor, it finally fired up...and rattled rear bad and wouldn't stay running without at least 50% throttle. And, it smoked real bad.
Did a compression check, found 3 cylinders w/0 compression. Dropped 3 intake valve seats with the motor not running.
Ended up replacing the motor w/a reman from Pro Engines in Elon, NC. 3rd- Gen Hemis is all they do.