Whatever you did to put that many miles on the car initially and the maintennace you did up to this point, keep doing what you did & you'll get to 300,000
Good Luck
Harryface
Timing chain at 200K, they stretch over time and get sloppy. About that time the cam shift can be wearing down as well.
My brother special order a new 1978 Chevy Pick-up with the last of the four-bolt main 350's. He has 300K on it. Cyl. pressure test is still in the factory range. But, has replaced the chain, cam-shift, AC, water pump, distributor, carborator, heater core, clutch. But, the heads never have left the block and the 4 speed manual trans and rear are still going strong. Yes, front suspension rebuilt twice.
Drive it nice. Take care.
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