When 17 - 18 years old some friends of mine and I went through a phase when oil pressure was bragging rights for our cars.
When I rebuilt the 327 in my 64 Impala SS, I installed a high volume oil pump. In the day, the pumps came with both OEM and high pressure relief springs. I stretched the high pressure spring an inch or two and installed it. With 40W oil (Don't ask) the engine held 80+ PSI at just about any RPM above idle and pegged the SW gage.
A close friend had a 409/425 in a 57 BelAir. In order to out do me, he simply removed the relief spring in the high volume oil pump in his 409 and replaced it with a nail, cut to fit. Though he drove it around for several weeks without incident (Who knows what the oil pressure was), I well remember things starting to go bad when cold weather set in. (He too used 40W oil. Don't ask.)
One evening while cruising around, I heard a "pink" (It was hard to hear anything in his 409/427 57. The radio was useless.) and the SW oil pressure gage filled up with oil. I pointed this out to my driver friend and asked to get out. (I was in the front seat.) Rather than stopping the car, he down shifted and nailed it. As expected, the glass in the gage broke and oil sprayed out inside the car. He thought this was great fun.
Later, after replacing the gage, he installed a high capacity (longer) oil filter for a 409 truck engine. He had the proper truck filter canister but did not have the proper, longer canister bolt so he welded two automotive bolts together to make a canister bolt of the proper length. Apparently, his welding was not so good.
One winter morning when the temperature was near 0 (Still 40W oil. Don't ask.), he started the engine to allow it to warm up before leaving for school. He had removed the automatic choke from the rear AFB and installed a hand choke (Don't ask.) and a hand throttle for warm up, etc. (Again, don't ask.) After starting the engine, he adjusted the choke, set the throttle for somewhere around 1,200 RPM, turned on the heater and headed for the house for breakfast. Before reaching the house, he heard a muffled "explosion" and the engine speeded up noticably. His welded canister bolt had failed at the weld and the pressure had blown the filter canister off of the engine, impaling it into the ground beneath the car.
He shut things down before more serious damage.
To this day, he remains the honorary oil pressure champion.
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Today's Featured Article - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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