Hello I bought my 1991 240 in march of 2001 , since then I have put alot of money and repairs and my own tender loving care into it .When I bought the vechile the owner told me it had 54,000 not actual on the odometer because of the broken gear which is common. So to this day I dont really know how much miledge is on the engine. Since that time I changed the cluster with a newer one from the junkard and also changed the odometer .I also replaced the gear ,from jeff kaplan at odometer gears .I have a full working cluster. I turned back the miledge to 85,000 on the odometer . I know your not supposed to do that but I never plan on selling the car , never.I am always fixing my 240 and it runs great .I love this car; however it does bother that I will never know the true miledge . Is this a problem ? or just something that I'm letting bother me . I know the 240's with the B230F engine can go for several 100,000 miles . I change the oil regularly , do tune ups and keep an eye on everything .. How long can this car really last me .I'm so attached to it ,at this point it is a part of me , but that damm gear , and the unknown miledge is still a thorn in my side . should I be concerned ?or just enjoy my volvo that I have put my time effort and money to make it the good running car that it is now . ALl replies are appreciated, Thanks rf64