W211 Upgrades
Replacement air tube
BMC airfilters
Heat shielding for intake and airbox
Larger crank pulley
Replacement water pump pulley and replacement belt.
Longer supercharger drive belt.
less than $2000USD including shipping. Software would be an additional $1500USD.
My car saw a power increase of 35kw at the rear wheels without the pulley. I will have it re-dynoed ASAP on the original dyno all the other work was done on for a final answer, but seat of pants, the performance increase of the pulley is even greater than the original mods.
On a road outside a friends business in an industrial estate, I had the car spinning into fourth gear! I backed off only because there were cars on either side of the road, the car was still crossed up and I was moving at an extreme rate of knots. Bottom line, I chickened out!!
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Only for another month! The bike is in the shop at the moment having the engine blueprinted, crank lightened and balanced, heads gas flowed and 13.5 to 1 race pistons installed!
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