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**MidLifer** · 07-01-2014, 10:00 PM

Thanks guys. I guess the key is knowing that the engine was taken care of, and with engines on CL you are just taking chances.

Think I will stick with my Gen1 350 for now and just drop in the 700r4 I have to replace the SM465, and run that for a while. That will improve highway driving and gas mileage.

If I stumble across a screaming deal on a LS engine with verifiable history, I will jump on it.

07-01-2014, 10:00 PM	#7
MidLifer Senior Member Join Date: Apr 2011 Location: South NJ Posts: 1,268	Re: how many miles is too much? Thanks guys. I guess the key is knowing that the engine was taken care of, and with engines on CL you are just taking chances. Think I will stick with my Gen1 350 for now and just drop in the 700r4 I have to replace the SM465, and run that for a while. That will improve highway driving and gas mileage. If I stumble across a screaming deal on a LS engine with verifiable history, I will jump on it.