Posted by MarkB_MI on October 21, 2016 at 11:27:51 from (198.208.251.22):
In Reply to: Re: 4020 turbo posted by Tim S on October 21, 2016 at 07:50:58:
> a turbo added to a 4020 will add about 20hp on a dyno test, this is not enough extra to hurt any thing
The Nebraska test of the 4020 in 1963 indicated 84 PTO hp. Another 20 hp on top of that would require a 24 percent increase in torque. Sorry, but you can't expect to increase the stress on parts by 24 percent above what they were designed for without affecting engine life and reliability. Even a conservative design like the 4020.
> a 4020 will live a long life working at the 130 or so horse power range
Now you're talking about a whopping 55 percent increase in power and torque. There is a 130 hp 4020; it's called a "5020".
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