Originally Posted by
R4N S S
I snapped the chain on mine years ago when I launched it off a set of traffic lights and held it in third until I hit the limiter but the chain snapped
when the chain snaps you need a new engine as it'll cost more in bits than a complete mint sierra will
first job on any newly bought dohc sierra, change the fan temp switch
second job, change the timing chain (i did mine, in the rain, in less than 2 hours)