I live in the USA and have a Euro 560 SEC.
I want to install Flowmasters and headers and anything else that can make my Benz sound better and run better. Can this be done and is it different to do on a Euro 560 SEC than a regular?
Stock Euro cams are as good as mild aftermarket ones. The exhaust isn't bad...but is still a bit restrictive.
On my computer models a headers (ie. tubular design) changeover and high flow cats/free flow (but pretty conservative in street/strip terms), exhaust system gave a 14hp jump over stock figures. The real bonus is in things like residual exhaust and overall burning efficiency though.
The big power bonus came with increased flow through the heads. Get these flow benched for a nice street polishing and you'll be looking at around a 65hp increase combined with the exhaust system, over stock outputs.
Torque curve goes from impressive to monstrous.
Remember these engines have the same capacity as a 340 Mopar and getting 400hp out of those is a breeze (basically just a couple of bolt on parts off the shelf), and they don't have fuel injection and SOHC's...
Thanks for the help. I believe it was imported from England because it is RHD and the original license plate was from England and is still on the front under my real license plate. This is my first car (I am 16) which was bought from my mother's boyfriend who is a car dealer. I will check with him to see what was changed. All I know is that it won't pass California's Smog test, but it will in Texas. I will also look for my digital camera so I can get some pics. Hopefully it is not in storage and in some box in my room (I moved in December and still haven't organized everything )
I believe everything is original. One thing I have noticed that I thought was irregular was some sort of extender or something that covered the outside of the left exhaust pipe.
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