Quote:
Originally Posted by Number 10 GI
I have a 2017 Nissan Murano with the 3.5 liter V6 engine rated at 265 HP. If I drive the speed limit on the interstate I can get 30 MPG. Even when I run at 80 MPH on the interstate I get 26 MPG.
I had a Dodge conversion van back in the days when they were popular that had a 318 engine with a pretty wild cam, high rise manifold, 4 barrel Holley carb and headers that gave me 11 MPG at 55 MPH. Granted that wasn't a standard engine but I don't believe it generated 265 HP. My friend had a van also with a regular 318 engine and he only got around 16 MPG. The new engines get excellent milage.
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There was no shortage of cars put together with parts from places like HC Whitney that were miscombined and not mated properly to the transmission or the brakes.
I had a Triumph GT6 that was beat to hell and had been raced. Basically a Trump spitfire with a TR6 engine. The car would keep the speedometer bouncing off the end. If, I recall the speedometer went to 160. The car would drive 350 miles at average speed of 100 mph and get over 30 miles per gallon.
Someone who could properly tune a four barrel carb, including the linkages and jets is, was rare. Aside my GT6 had two over sized down draft carbs. Typical garage-I refuse to work on that thing.