Quote:
Originally Posted by duxthe1
Man I gotta disagree. .... . .
The top end is a weak point in the 116 /117.(discounting the chain and rails) The way they are designed the valve is pushed sideways slightly every actuation and it wears the valve guides. Fresh heads last about 150K miles before they wear the guides. New seals can buy a little more time but the guide wear is inevitable.
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Yea, I'm used to other brands where the entire engine is starting to wear out at that point and just a valve grind leads to problems.
It also makes a difference what climate the car is used in. Sub zero temps and hills are way harder on a car than sunny sky's and level ground.