<VV> More HP Re: Gossip...

[FrankCB]

Bryan,
     You neglected to mention the THIRD alternative - BOOST!  Making more HP requires a greater WEIGHT of air being burned per unit of time.  We can get that from more RPM or a larger engine size or DENSER air being packed into the existing engine.
     Frank "boost equalizes cu.in." Burkhard  

x> In general terms, this is the way to make more power in any engine - 
> pump more air in and out.  That's why racers are always trying to turn 
> more RPM - more strokes of the pistons means more potential airflow. 
> Of course, that leads to more cam timing, bigger ports, etc.  Or, you 
> can go the bigger engine route - again, more air in and out.  Pick 
> your poison :-) 
> 
> --Bryan 
> 
> On Nov 10, 2009, at 12:38 AM, Mark Durham wrote: 
> 
>> I have read that the power output of the little corvair engine is 
>> really 
>> limited by how much air can move thru it, and significant 
>> improvement to 
>> stock heads via porting and adding larger exhaust helps alot.