WebMay 20, 2024 · Absolutely nothing wrong with cruising the highways at 3000 RPM or even more it hurts nothing and it actually is quite easy on the bearings. You let an engine lug around at 1700rpm it is hard on bearings and does not oil near as well. "splash oil" I have driven hundreds of thousands of miles at 3000 to 4500rpm in many cars. Look at boats. WebInstead, we’ll throttle up to what sounds and feels like a fun, comfortable cruising speed. If it’s a nice day, that sweet spot in this boat will likely be about 4,500 rpm — the boat is solidly on plane and can take a lot of trim, and we are going fast enough to have fun and cover some distance without leaving passengers windblown or beat up.

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WebI am curious what the stock car cruising rpms are at 65 mph. I know it is fairly low. One reason for the LS swap is I am after not only performance but milage too. Worked out OK when I went with a 4.3L V6 at the time over a 350, but now that engine is … WebMar 22, 2011 · 3.73: 1666/1343rpm You're really going to need to look at the entire ratios however, as you can easily put a combo together that cruises at that "perfect" rpm you're looking for, but 1st gear is way too low or way too high, and … hallowell vision appraisal

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WebFeb 4, 2016 · 5th gear, 33" tires, 3.73 ratio and it turns 2200 RPM at 70 mph. Personally i think 2500 RPM at 65-70 is a bit much. I think in my rig 2200 RPM at 65 would be perfect. Yours is under-geared. It takes higher rpms to keep larger tires turning effectively. As Big Cole mentioned for 32"/33" tires, 2500rpm at highway speed in 5th gear is about perfect. WebOct 14, 2010 · Your dealer may mean that normal cruising rpm should be about 3200, which is just about right. Too many people under rev their engine thinking they are … WebMar 6, 2010 · The most economical cruise is just solidly on plane (usually 3k - 3.5K RPM, depending on the boat and powerplant). The fastest speed with the best fuel economy is when you advance the throttle until the timing is advanced fully, and not any further (likely 3/4-7/8 throttle). hallowsville