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AIR COOLED MEMORIES

Franck, I have no issue with the use of my pics for the purposes of the club. I am very happy to share those which I have but do not wish to overload the forum or upset anyone..?
Here is another of my attempts to remove the issue which caused the micro blisters.. I think I can only post one pic per post which seems a tad clunky..? NOT that I am in any way up to speed with digital media operation..Duh..!
BTW it seems the old SC made a reasonable impression on the journo at the time of the 993 Launch, though he seemed less than impressed with my tyre mix choices... (-:
 
Alistair, as you guessed Geedee is not my name but fine as a Forum ID, in that I am no self publicist, and seek no advantage from any time I spend in Porsche related circles. I am pleased that anyone might enjoy my chat, and I am well rooted around the Glasgow area it seems.. (-:
I sense a degree of synergy Alistair given I have been on an epic self-build home improvement strategy building an extension then an extension on to the extension and then an extension on to that, the last stage being a linking patio all of which has taken FAR too long, and some years back caused me to sell my 911 to fund some of the many issues. I had hoped to return to 911 ownership perhaps a couple of years back, but have not quite got there yet for a number of reasons, Covid lockdowns being but one.. Sigh!
Here is another pic of my GR SC having resprayed it at the time. The taken on the Island of Ghia at the wedding I posted pics of in the R1 section of the forum after I had resprayed it. Strange place to have all those Porsches gathering on an Island with little more than one road...(-:
 
Sorry, Geedee, it's my sense of humour .. If you're fine, it's fine ! .. [:)]

cheerio
 
Yeah Alistair GR on a 911 takes some beating. When I was young if it was not red it was not a REAL sports car... (-:
Maurice, apologies if you thought I was in any way miffed by your post which I am not in the least. I will attach a pic of the new 993 alongside my old SC taken the day after the actual launch when I revisited Cameron House to grab a few pics of my own. I have some more if there is any interest..
 
geedee said:
>>> I will attach a pic of the new 993 alongside my old SC taken the day after the actual launch when I revisited Cameron House to grab a few pics of my own. I have some more if there is any interest..


Yes, we love a good pic .. [:D]

Think it was a Guards Red SC that joined our 993 exclusive area at Shelsley 2 years ago .. looked great alongside a GR 993, which is indeed quite rare .. colour is one of these things that go in cycles of fashion.

cheers, Maurice
 
Thanks for taking the time to reply Maurice, I agree that colour can come and go in terms of popularity with the passage of time. While I do like red, I am not sure it suits the 993 as well as it does the earlier air cooled, 964 included..however my favourite 993 colours are the metallics in light blue or red.
Being a stalwart of the 993 register Maurice, I would have thought you would have simple access to the PP issued at the time of the 993 launch, but as that seems not to be the case I will attempt to provide a rough resume of that which I typed at the time in the hope you or anyone else might find some interest in it.
November in my part of the world can be a tad damp and grey, perhaps not thought to be associated with the imagined normal glitz and glamour of a new Porsche model launch, but I sure was not complaining. The early hours of the morning of the launch day was indeed misty and damp, fortunately the sun broke through to dry things up a tad, which helped with the photography and hopefully improving grip on the roads.
As I drove down the drive into Cameron house and into the car park I was greeted with a row of the new 993`s, the registrations of which seemed very familiar, almost like old friends, 911 HUL and A 911, the latter of those two I became very friendly with during the rest of the day. On parking up and heading into the hotel I was introduced to Kevin Gaskill, MD of Porsche Cars GB, a very pleasant and welcoming chap and who thanked me for bringing my old SC to the event, additionally informing me that I would be the first private individual to drive the new 993 in the UK..!!! A couple of Porsche GB staff in suits equipped with cleaning materials turned to, giving my old SC a rub down before the photographer got to work, all of which was a tad embarrassing as my 911`s paintwork was less than perfect in places.
Static photography completed we took to the road, initially using the SC as the camera car under the instruction for positioning from the photographer as we drove along the more open stages of the A 82 loch-side road. At one of our stops the journo asked if I could suggest another road that might be suitable for him to compare the differences between old and new.... I think the photographer was a tad disappointed in my choice as I suspect he was looking for more open and faster roads for his shots, whereas I thought quite the best road for a challenging driver experience was waiting a stones throw from Cameron house in the rising and falling twists and turns of that great streatch of Tarmac, the Journo seemed to enjoy it greatly, providing him him with the opportunity to fall into the unavoidable trap of mentioning Porsche rear end break away in his article, and to refer to my cheap tyre choice of funny Fulda`s on the rear of my SC.. (-: By comparison when I initially saw what seemed like ultra low profile tyres on the 993 compared to the tall sidewalls of my considerably higher aspect ratio tyred SC, it triggering memories of the SC sport which had felt a harsher ride than my SC, and caused me to expected the 993 to bump and thump a bit over the road surface of The Dukes pass.... Boy was I wrong...!!!
Now behind the wheel of the 993 and leading the way I headed into the first of many tight bends on my favourite local road, the low down torque caught me by surprise on exiting the apex, causing the rear end to marginally step out on the lose surface and creating just a hint of wheelspin, there was no fuss, no bother, the revs rose marginally out of proportion to road speed, the 993 twitched, I smiled, and we carried on "together," this new Porsche became part of me very quickly, or was it the other way round..? I don`t know, but on climbing back into my SC it felt a tad cumbersome and strangely it took some time to get used to the "feel" of it again after spending time sampling the advantages the new 993.
At the end of the day the journo asked of my impression of A 911 and he told me of his thinking on my old SC. He was unhappy with the tail twitch which he put down to the tyres, the gearbox had little or no syncro on second but none the less felt good, no problems with the clutch, but I think he liked the engine performance most, at circa 100k miles with marginally sloppy timing chains, a leak in the crossover pipe and a small hole in the silencer, it appeared to him to be a tad noisy but ran without power loss. I think he was most impressed to find that the heads had never been off, thus no major work done to date other than the replacement clutch along with a couple of broken outer valve springs which I replaced (only just possible with the heads in place- but that is another story).
My thoughts when asked by the journo to make comparisons...? I used an analogy of one of the Wright Brothers being let loose on a Supermarine Spitfire. The day passed all too quickly, we said our goodbyes, walking away from A911 towards my old SC as darkness fell, I felt as if I had been a tad unfaithful to it, on climbing back in and turning the key I was welcomed by the usual instant fire up and familiar wail in the tail, having spent much of the latter part in the day in A911, things still felt a little awkward for the first few yards along the hotel driveway until we hit the main road, the speed rose, familiar roundabout ahead, dropped three gears- braked then-throttle up on exit, speed rising fast on to the dual carriageway - were back together, 993 affair over but never to be forgotten.. (-:
I closed the PP article by typing that I wished Porsche every success with their wonderful new 993, and I hoped theywould sell many of them in order that perhaps in ten years or so further on, there may be quite a few available on the second hand market for me to choose from. (-:
Unfortunately much more than ten years have passed since that memorable day, and as yet I have not managed to get my hands on another 993. )-:
 
Were it not for my membership of PCGB I would not have been afforded the opportunity to be part of the 993 launch process
 
Back to SC chat, the SC having played it`s little part in the launch of the 993.
If you read the blurb, the funny Fulda`s were actually a pair of second hand tyres that another PCGB pal, Graham from Edinburgh organised for me. How good were they, good enough was my thinking. I suspect it might be best to drive within a tyres limits, as opposed to pushing to find their limits on the road, and they worked well enough for me on track days.. shrug.
Having discovered broken outer valve springs on my black SC, I had bought a stethoscope to improve on my usual long screwdriver to the ear method of listening to an engines internals, and as mentioned in the 993 blurb, I had listened to the timing chains and they seemed quiet enough but as the 3.2 Carrera oil fed tensioner was quite THE upgrade for an SC at the time, I had already decided that was the way to go and while doing so it seemed logical to fit new ramps and chains, which I did.
With the engine and box out of the car I stripped off the engine tinware replacing the real rusty bits and having the rest powder coated black, I also had the fan,it`s housing and the all rocker covers powder coated too, the fan in white and the rest of the kit in red...As part of that "upgrading" process, I also replaced the silencers with aftermarket SS items. All of which seemed a good idea at the time, but these days I much prefer Porsches to be as they left the factory.
Having spent many years fiddling with old m/cycles, I had learned that one way of checking chain wear was to lay it flat and see how much of a curve could be made by bending it into an arc , the tighter the arc the more worn it is, wear taking place within each link and between links the wear becoming obvious when comparing an old to a new replacement chain.
For the pedants.. another way to compare chain wear is to push all the links tightly together as if trying to compress the chain along it`s length. Measure the length, then stretch the chain to it`s max length by pulling on both ends and check the difference between the two measurements... Of course there may be other and better methods I do not know of.
While typing timing chains, I do remember at the inaugural meeting of PCGB Scottish section at The Country Club Hotel near Milngavie, there was a white 911 which turned up owned by a chap who had driven through from Edinburgh on which the timing chains sounded if they were trying to escape from their confinement within the engine... When I commented on the din and possible consequences, he replied that it only rattles like that at slow speed, once on the m/way it quietens down...!!!!
 
Using a straight edge allows measurement of the wear, the chain initially laid along the straight edge, one end held against the straight edge while the other curved away from the straight edge. Both old and new chains shown together for illustrative purposes... I only carried this out as a matter of interest.

Pic of replacement silencers.



 
Having grown up drooling over engine bays such as early Jags with their enamelled exhaust manifolds and highly polished cam covers, and Lotus likewise with their name emblazoned on top of the Twin Cams and their wonderful pair of twin side-draught Weber bell mouths, by the time I finally thought to investigate the souped up Beetle so many seemed to be raving about, when I lifted the lid to observe the engine of what was to become my first Porsche, a 69 912, to say I was a tad underwhelmed does not quite cover it, but then all the reports I had read in the motoring press surely could net be THAT wide of the mark...?
I guess the above may be me just trying to get my excuses in early for that which I subjected my GR SC`s engine to by way of making it look more...interesting..! Got to admit that I do cringe somewhat when I look at the pic today... Ouch! Yeah the flat sixes under lid appearance grew on me over the years to become an acquired taste. Apologies if any subsequent owner of my RED SC spent time and energy removing all the ..err..bling, though the guy I sold it to thought it looked the business, but then that was at least a couple of decades ago, I suspect SC purchasers/owners today may be a tad more .. err .. sophisticated...?
I helped my pal Ronnie to remove his engine and box who then ably assisted by his good lady and being as keen as he, polished every part of his SC`s engine to perfection, it was indeed a wonder to see and far better than my attempts to "improve" on what to me had looked more akin to the innards of a washing machine.
Some time later at a car show I asked to see Ronnie`s engine and to my disappointment it had lost it`s all of it`s shine, though still immaculately clean, pity. As a yoof it was so much simpler to keep my old Brit m/cycle engines alloy engine aspects shining like chrome, Solvol Autosol assisted in that process.
Just thought of another SC tec issue, remembering Ronnie had fired up his car, drove it out of the garage to give it a wash, did the deed and when finished the task, turned the ign key and BANG, after which the engine would not start. Ronnie discovered that the air box had split, suspecting it had been caused by excess fuel and in the intake igniting when he tried a restart of the engine, a problem area for K-Jetronic 911`s that no doubt most owners may be aware of these days..? At the time Ronnie fitted a pop off valve, which would release pressure in the air box if any such backfire occurred and thus save the box from damage. I guess it might be best to NOT fire a SC up for no more than a yard or two driving leave it a short while as did Ronnie, then fire it up again... Perhaps best to drive it till the engine warms and the sensor cuts out the enrichment processes required for cold start. OR leave the SC sitting longer than it takes to wash it, to allow the excess fuel to evaporate...? Any thoughts...?
 
Is that a Hoover or Indisit Alistair....? (-: Yeah, for sure they can get a tad grubby, as I was typing this you posted the "After" pic... Looking great. Showing the fan running is a bit of a cheat as we do not get to see the finish on the all important blades... (-:
Did you remove the air pump or was it not fitted to your SC. The gubbins associated with that system did not appeal, the pump it`s self did not look out of place but the corrosion potential of the pipes feeding air into awkward areas just seemed bound to cause issues over the years. I think the idea was to provide air into early stages of the exhaust tract to assist burning of any unburned fuel after the combustion process, which I suspect was a bid to clean up emissions for the Californian market..? These days I guess MOT testers have no idea as to what was originally fitted and hopefully emissions testing to cars of the SC`s age are of no concern, unless it is really obviously smokey..?
Like many an enthusiast I was neither mechanic, panel beater or paint sprayer, but I just gave it my best shot. My working conditions at the time were less than clinical, as in this pic where I am having a look at the timing chains, ramps etc.etc. I had previously spent time cleaning the engine as best I could. and was yet to respray the whole car. Paint spraying was a simpler process back then using cellulose none of the two pack poison or worse still water based stuff.... Yeah, just exhibiting my grumpy old man tendencies... (-:
 
The original air injection pump was gone when I got the car, although the bracket was still in place.
The metal air injection pipework was still in place under the engine, but it had the ends crudely butchered closed.
All subsequently removed and replaced with neat threaded grub screw plugs.
Car came with stainless steel SSI exhaust and also the later Carrera-type finned oil cooler in the front RHD wheel arch which was all a nice bonus.
I have done a heater backdate to eliminate the electric fan and ductwork running over the top of the engine - looks much neater in my opinion and still provides effective heating as required.
Upon engine disassembly a number of head studs were held together by little more than a hair strand of metal and the original chain tensioners collapsed when removed.



 

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