Tis the difference between light duty and heavy duty applications.
My truck in round numbers has 160,000 miles and 4,600hrs. Doesn't burn oil and no discernible power loss when towing. It has spent most of it's life making an average of 45HP out of it's potential 300HP.
150hrs sounds awful short even at redline and full throttle. Those engines must have been souped up and maybe even ran on regular gas when they should have had premium.
You can take a GM marine crate engine and wail the tar out of them at full throttle racing around and towing. As long as they don't knock, have clean air and some oil in them. They will run for thousands of hours.
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Today's Featured Article - A Question for Dads This recent topic from the Tractor Talk discussion board is being highlighted because it is an awesome display of the caliber of individuals that have made this site their own. The young person asking questions received positive feedback and advice from total strangers who "told it like it is" with the care many reserve for their own kids. The advice is timeless... so although it isn't necessarily antique tractor related, it will be prominently displayed in our archives to honor those who have the courage to ask and those who have the courage to respond in an honest, positive manner.
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