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Originally Posted by daw_two
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A.) My car is a 1990 350SDL, My goal is to replace the 3.5 liter short block (244,000 miles still runs fine) with the heaver/stronger built 3.0 liter short block (187,000 miles). I want to build the 3.0 short block to go another 150,000+ miles.
Help me understand something about your car. You say at 244,000 miles the 3.5 liter still runs fine. So, why do you want to change it now? I understand about swapping to a 3.0 liter, but I would not want to be without my SDL while the work was being done ......I'd wait until the 3.5 liter was NOT running fine.
Is your 350SDL bored with the 3.5 liter and wants to become a 300SDL?  |
Yeah, this is what puzzled me...sounds like he has a lot of free time on his hands...I'd say keep driving the 3.5L and you may never have to replace it. There have been some that go forever just fine without bending a rod. It's even possible that your car has had the engine replaced once already (unless you are the original owner and know the complete service history). Why in the world would you contemplate replacing an engine that shows no symptoms of having a problem?