replied to the thread M157 heat soak problem? Weistec has the solution - Weistec Engineering M157 Twin Turbo AMG V8 cooling/intercooling system upgrade released - $1999.99
" Hello guys thank you all for the compliments. It is very appreciated.
The factory water pump and in tank pump is extremely powerful. With the water flowing we have a hard time opening the rear lid because water is flowing at such a high rate! It is actually cool to see how well it works. The factory system is pulse width modulated and the factory pump runs based on duty cycle percentage. Combined with our tune this modification becomes even better.
We are sure our hot climate customers (Middle East for example) see considerable temperature decreases which in turn creates more power, consistently. "
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