I changed the belt and seals. Everything lined up as should be. The '92 240 starts fine, idles as it did before (very low) and drives quietly, meaning no valve noise most of the time.
But even though it accelerates smoothly, it seems to have less 'oomph', plus this...
Today I made an extended trip (50 miles on the interstate battling a strong headwind), exited off into some heavy traffic up a hill. Accelerating to merge, the valve train starts making racket, and I look behind and it is belching smoke. It stops pretty quickly and quietens down... does it no more the rest of the day.
It has done this one other time, but a shorter trip. I just stopped and started back right away... up a slight rise, and the valves did the same. I did not at that time notice any smoke.
This after the belt change, and it never did this before. Should I pull it back down and recheck, even though it is generally good running?
Can the timing belt be off just a little and give these results?
Thanks.
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"Do you think that's air you're breathing now'? (The Matrix 1999) '94 940T (400K+), 92 245 (250K+K)
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