EUROfeature - Mercedes-Benz R129 SL280 Koenig
The M104 2.8-litre straight six engine, which generated 193 horsepower
in stock form, has been substantially beefed up with twin Greddy
turbochargers, each running on 1.8 bar of boost and controlled by the
HKS F-Con V Pro 3.3 ECU. Result: 614 horsepower!
thicker head gaskets, strengthened pistons,
1000cc Sard fuel injectors, Trust intercooler and
Monza intake manifold.
For power just as aggressive as this SL’s
exterior, Peter credited Por Motorsport for their
efforts, as well as for capably taking charge of
all aspects of the work, from the turbo piping to
tuning the HKS F-Con V.Pro 3.3 ECU.
However, Peter does not see his work on his
SL280 as ending at here yet! Future projects
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would see him tweaking the Koenig Wide
Bodykit to better in with that of the custom
bodykit, with some help from PTR Garage,
along with installing a motorised spoiler at
the rear, similar to that seen in some modern
super cars. Also in the pipeline is yet another
strengthened automatic transmission.
By far the most important thing Peter learnt from
this project though, was that contrary to popular
belief, Mercedes-Benzes and European cars in
general are tuner-friendly. While Peter admits