if it aint broke don't fix it
seriously if you only have 100k on the motor it will be fine for another 100k
if you take care of it we had a member in the NE-CEG that just had the engine let go in his 95 at 200k, and he wasn't easy on the car
keep the mantinence up and the engine will last a long time, my father has 105k on his 95 and it runs as strong as the day we got it
at 100k the engine is just broken in, enjoy it