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The Complete IDIOT'S Guide to 356 Lubrication and Maintenance

By Skeet Gifford

It is with some trepidation that I write on the subject of automobile maintenance. Being a member of an automobile club is evidence enough of your interest in--and respect for--your cars. With 135 members, I'm sure we have at least that many variations on how we care for our automobiles. Mine is only one opinion. If you have a better idea, I'd like to hear it. I'm always open to suggestions.

One of my earliest memories is of my father tinkering with his new 1939 Lincoln Zephyr. That lesson was continued when my grandmother gave me a subscription to Mechanics Illustrated, the magazine which featured road test pioneer, Tom McCahill.

In 1951, my first year of college, I purchased a Crosley Super Sport. I had the car for only about nine months and was forced to sell it after it threw a rod. Somehow, the Service Manual has survived, and in the back are my notes chronicling service and maintenance. In 6,200 miles, I lubricated it six times--not bad for a teenage driver.

My second car was a 1949 Mercury, purchased just a couple of months before I graduated from pilot training. I shipped it to Europe (dumb!) where I drove it for a year and a half, and sold it after I took delivery of my 356. Maintenance records, if any, are gone.

When I first acquired the Porsche, I maintained it in accordance with the scheduled lubrication and maintenance plan. For the first several years, I didn't keep records of routine service because (I suppose) I did the work strictly by the odometer. I did, however, keep receipts of major purchases such as the radio, tires and other work performed by a garage.

Along the way, I had the opportunity to learn how airplanes were maintained, both in the Air Force and later at United. In the Air Force, I performed many maintenance test flights.

In 1972, I purchased a 1941 Plymouth that had been parked in a Denver alley for eleven years. I intended to teach myself automobile restoration, and this was my project car. As I went through the car, I learned firsthand the deterioration that takes place when a car is simply parked and abandoned, rather than being properly prepared for storage. My interest engaged, I began collecting references on automobile preservation and long-term storage, and combined them with my own experience into a "check list." Parenthetically, I also learned that there are often substantial differences of opinion among "experts." Sorta like politics.

At United, I had the opportunity to tour the Maintenance Base in San Francisco several times, and in two fleets worked directly with their Engineering staff. It was a unique opportunity and one that was not wasted on this confirmed car nut.

I often checked gas mileage on trips, and in the early 1970s, began keeping complete records of all gas purchases and service in a small, spiral-bound notebook. About ten years ago my son Paul asked me if I kept records in my computer. "No," I answered, "but I should probably do that." And that's how my spreadsheet was born.

In its current version, there are four sheets for each car: 1) Gas purchases, 2) a line graph depicting miles per gallon, 3) maintenance required (which is automatically updated from the most recent gas purchase), and 4) the history of all maintenance performed. The file is not large and I'd be happy to share it with anyone who is interested.

About eight years ago, I sold one of my collector cars, a 1969 Plymouth GTX with a 426 Hemi. As a courtesy, I printed the maintenance records and included them with the car. A couple of years ago, I got a call from a guy in Kentucky who now owns the car. He commented on my records, which, incredibly, were still with the car, and asked about certain work that was done. It's a show car now and gets to ride in a trailer. When I owned it, it was a driver. Trivia: He was able to get the same license plate that I had, HEMI X.

Over the years, experience with the Porsche, other cars (with influence by aircraft maintenance) has caused me to modify the factory recommendations somewhat. The table lists lubrication and maintenance items as published in the 1957 Porsche 356A Owner's Manual. The last two columns are my modification to that

 

schedule. Note that some items have been added or modified due simply to the fact that my Porsche is no longer driven to work every day.

 

PORSCHE 356A LUBRICATION PLAN

FACTORY

SKEET'S REVISED

 

MILES

MONTHS

MILES

Front axle: lubricate torsion bar tubes

1,500

24

3,000 (1)

Lubricate king pins

1,500

24

3,000 (1)

Lubricate tie rod joints

1,500

24

3,000 (1)

Engine: change oil (2) (Note: with full-flow oil filter, extended oil change OK)

3,000

12

1,000

Transmission/Differential: check oil level

3,000

12

6,000

Check oil level in steering gear (SAE 140)

3,000

12

6,000

Lubricate parking brake cables (exposed links front of car)

3,000

24

3,000 (1)

Lubricate distributor cam

3,000

24

6,000

Lubricate door and hood locks and hinges

3,000

24

12,000

Lubricate carburetor linkage joints

3,000

24

12,000

Engine: clean oil strainer and magnetic filter

6,000

24

3,000

Engine: replace oil refining filter insert

6,000

24

3,000

Transmission/Differential: change oil

6,000

72

24,000

Repack front wheel bearings

6,000

72

24,000

Lubricate shift lever and linkage

6,000

24

12,000

Lubricate parking brake cable tubes (does not require frequent lubrication), carburetor linkage, clutch, heater and windshield wiper mechanism

Start cold season

24

3,000 (1)

 

 

 

 

(1) Lubricate after driving in moderate/heavy rain or snow

 

 

 

(2) In cold outside air temperature, for city driving and short distances, change engine oil every 1500 miles.

 

 

 

 

 

 

 

ITEMS NOT INCLUDED IN PORSCHE SCHEDULE

 

 

 

Check engine oil level (a curious factory omission--over full may be fuel)

---

1

500

Clutch cable remove and lubricate

---

72

24,000

 

 

 

 

 

 

 

 

PORSCHE 356A MAINTENANCE

MILES

MONTHS

MILES

Clean air filter

3,000

---

3,000

Check fan belt tension

3,000

1

1,000

Clean fuel system, check carburetor adjustment

3,000

12

6,000

Check contact breaker points and ignition timing

3,000

24

6,000

Check valve clearance

3,000

24

6,000

Check compression

3,000

24

6,000

Check spark plugs

3,000

24

6,000

Check battery (Optima 6v battery on trickle charger when parked)

3,000

12

6,000

Check generator, cables and connections of electrical system

3,000

24

6,000

Clean front wheel bearings, check torsion arm link pin, steering, and toe-in

3,000

24

12,000

Check tire pressure, check wheel nuts for proper fit (3)

3,000

1

1,000

Check foot and parking brake, check all tubes and hose connections for leaks, check brake oil level

3,000

12

6,000

Check shock absorbers for proper fit and effectiveness

3,000

12

12,000

Check clutch clearance

3,000

24

12,000

Check rear axle and engine for leaks (check under car every day driven)

6,000

 

12,000

Check screws and nuts for tightness: exhaust, intake manifold, carburetor, fuel pump, engine, transmission front and rear axle, steering

6,000

24

6,000

Remove brake drums and inspect brake linings

6,000

12

12,000

 

 

 

 

(3) Note: I've never had a properly-torqued lug nut come loose.
Lug nuts torqued 95 ft-lbs when brakes inspected or wheels rotated.

 

 

 

 

 

 

 

ITEMS NOT INCLUDED IN PORSCHE SCHEDULE

 

 

 

Move car to avoid tire flat spots

---

1

---

Check lights and turn signals

---

6

6,000

Check spare tire pressure

---

6

6,000

Wheels rotate (4 or 5 wheel rotation as desired)

---

---

6,000

Brake fluid flush (I prefer Silicon DOT 5--flush more frequently if cloudy)

---

36

36,000

Tires replace (Discount Tire will not warrantee tires past 10 years)

---

120

2/32 tread

   

 

Tech Tip
By Gary Moschetti

 

I recently needed some wheel spacers and longer lug bolts for my “other” car.  So I called Ralph Boothe, of Boothe Designs (www.boothedesign.com).  While we spoke he reminded me to use a soft socket to install the new wheel bolts, which are chrome.  Then he said, “If you really want to keep the bolts looking nice, use a grocery bag with the soft socket.”  I had never heard of that one, so I asked what he meant.  He said you simply grab one of those flimsy plastic bags, poke it into the soft socket with a finger and torque away!  When the bag wears you just move it to a fresh spot.  I followed his directions and it works beautifully!  Price is right, too!!

If you need a soft socket, wheel spacers or lug bolts, I highly recommend a call to Ralph (626-336-1396).  His products are very reasonably priced and you won’t believe how beautifully made they are.  And by the way, if your other car uses wheel bolts (instead of nuts) just go ahead and buy Ralph’s “wheel hanger”; you’ll thank yourself every time you use it!  

  

February 2008

 


 

Rocky Mountain 356 Porsche Club                                        OVERSTEER                                                     February 2008

 

 

 

8

Thanks to Gary Moschetti

 

 

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