Were the tires still round ?
Update by David S. Wallens to the
Porsche 911 Carrera project car
Jan 6, 2021
As we have learned over the past dozen years, living with an air-cooled Porsche hasn’t been too difficult. Maintenance, for the most part, revolves around routine oil changes–just like a regular car.
It was time for an oil change on our 1984 Porsche 911 Carrera, and this time we went with Driven Racing Oil’s GP-1 synthetic blend. Why this one? It’s made with Pennsylvania-grade crude, the same base that gave old-school Kendal its green tint and made it a favorite with Porsche owners for decades.
GP-1 is a high-zinc product designed for older, flat-tappet engines. It also came recommended by oil specialist Lake Speed Jr. of Speediagnostix–and formerly of Driven. One more thing to like: At $8.99 per quart, GP-1 retails for about half the price of the brand’s full-synthetic offering.
But something about the Porsche did concern us: a slight tapping from the engine. Time for a valve adjustment? So we asked our mechanic, Lou at Aero Dynamics in South Daytona, Florida, to take a look. Plus, as Porsche prices keep climbing, we enjoy the peace of mind of a regular inspection from a real pro.
The valves were in spec, he reported, although two lifter bushings were a bit noisy. His recommendation: drive car more.
He was right, the Porsche had been sitting a bit. So we put some miles on the car and–guess what?–the ticking went away.
Were the tires still round ?
300zxfreak said:Were the tires still round ?
Yes! I took it for a nice drive this weekend--maybe 200 miles total--and the car hums nicely. Look for more updates very soon.
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