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Old 02-08-2015, 01:49 PM
leathermang leathermang is offline
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Join Date: Sep 2001
Location: central Texas
Posts: 17,281
You clearly do not know the answers to the numbers which would be necessary to evaluate the potential cost benefit and risks of this kind of project....

I have been asking for you to provide those numbers so there might be a discussion based on those... as compared to me estimating them and then you arguing that I was not fair in choosing the base of comparison....

I have made my best case for this not being an economically rational way to get those few more HP available with the 616 and it stay reasonably reliable.

If you put the oil cooled pistons and squirters in... along with the turbo exhaust valves..
and oil cooler....
you have a good chance of having a reliable long lasting engine...

but the idea that the 616 is so overbuilt that it can take the turbo... set high enough to make any real difference....
without basically making it into a turbo 617 with only four cylinders impugns the entire MB R and D program.

For very near the same HP the use of a stock NA 617 does make sense.

So this is my last post in this thread.
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