Re: 300HP 2.0l 16Vs?

[TheDude511@aol.com]

In a message dated 97-10-02 00:39:45 EDT, you write:   the reason for the
stock cam is that there is less overlap which kills a turbo    normally
aspirated motors benifit because the velocity of air is slower inside the
combustion chamber and a high overlapping cam allows for more complete
exhaust scavenging (spent gasses out of the combustion chambers! )   on a
turbo  the key to it's operation is "pressure" inside the combustion chambers
  and the stock cam seals the chamber quicker and for longer duration than a
high lift cam   a turbo forces air into the chamber    this is also why there
is no great advantage to port and polish anything on a turbo    the turbo is
"forcing air"  smooth flow and high lift are'nt as critical     so when you
start out to build your engine   decide in the beginning "turbo" or "normally
aspirated"   the build processes are totally different  

<< scirocco-l@privateI.com >>

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