pht9 Posted April 22, 2011 Share Posted April 22, 2011 Over the coming months, I intend to document our build of a tarmac rally car that will be presented for FIA/HTP papers, as a 3062 homologation 911SC A bit of background to start. My Company, Tech 9 Motorsport has been actively involved in Motorsport since 1993, solely circuit racing, and primarily with Porsche, although we have had a few different championships and marques prepared over the years, our experience was generally with Porsche models from 964 all varaiants, through to 993 Cup/RSR/GT2, 996 GT3 and turbo and latterly 997 in all its racing forms. The downturn in the economic climate was a factor in my decision to halt circuit racing, and concentrate on our core business which is tuning, modifying and servicing Porsche from our workshops in Liverpool. I stopped racing personally at a competitive level in 2005, and concentrated on the running of what became a rather large race team, we would quite often run 4 cars at an FIAGT meeting, and the staff and logistics involved in this were quite something !, anyway, as the race team is not operating, I feel that this is a chance for me to get back behind the wheel, as the roots of Tech 9 were based around my racing activities, and here was the chance to return. I thought long and hard about what to prepare and what to enter, I wanted to build a car, and considered all forms of 964 or 993, but didn’t feel that there was a championship that I felt motivated to enter, I then considered ‘historic’ events, and pondered over a ’74 3.0 RS, or even a 2.0 ’65 car for a brief moment, but I did not like the idea of being mid-field in events, or a class winner, so my attention turned to historic tarmac rallying. Here is a discipline where a well driven Porsche can win outright, and I feel it would be a good environment to showcase our technical ability and the standards that we operate to build a ‘new’ historic 911. The car will also act as a showcase for products and services that we will be able to offer to our clients, especially some of the ‘period remanufacture’ parts that will be used. So, having decided upon the discipline, a suitable car and specification had to be finalised. I really like the look of a ’74 3.0RS or RSR, but felt that a wide body car would not be as agile or nimble as a narrow body. I had in my mind the mechanical specification that I wanted to build, a 3.0 MFI engine was at the heart, so decided upon the 3062 homologation pre ’81 911 SC Next step, find a car !. I looked at a few cars, needed to be an SC, I wanted LHD wasn’t really bothered about the mechanical state, but wanted a good standard chassis with very little rust. This is helped I suppose by the fact that post ’76 the chassis became galvanized, so as long as the car had been generally looked after, then my search should not have been to difficult. Anyway, after a couple of months searching, The perfect donor was presented, courtesy of the classified section of this site ! – A 1978 911 SC, that was converted by RUF in the eighties to ‘SCR’ specification. RUF SCR I did ponder about the fact that this car was relatively rare, and that should I be stripping such a car. Taking a view on the actual car, it was very tired mechanically, the engine had serious cylinder leakage, the gearbox needed rebuilding, the bodywork was rather scruffy, in that it had been painted badly during its life, and had lots of areas of corrosion in the bolt-on panels, but structurally (must have been all the engine oil sprayed on the underside !) the chassis looked fine, and some period parts could be re-used in the build, such as 930 brakes, ZF LSD and I was quite surprised to find OE spec manual window operation !. To restore this car to its former glory, would not have been economically viable, so the bullet was bitten, and the build began – or rather the strip began ! Here is a picture of the SCR A few more pictures Link to comment Share on other sites More sharing options...
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