Mike has a belt drive timing set-up and it is not currently vented. I
put a 1/2" vent of the fuel pump boss that terminates with a small
K&N filter to atmosphere. Mike say's there are no oil leaks under the
car (not even from the rear seal). I pride myself in building no-leak
engines, but it hasn't been run much yet and so we'll see. It has
new Deves rings in a .060 over bore and the tolerances in the ring
gaps were on the minimal side, so blow-by should be at a minimum.
Gerard
At 1:21 PM -0500 9/3/04, Rick Lindsay wrote:
> > Gerard also mentioned that I am probably
>> building up pressure in the valve cover (not
>> vented) because the oil is not draining back
>> into the motor, forcing oil to go the only
>> place it can, down the intake valve stem on the
>> intake stroke.
>
>If you have any blow-by at all, you are probably pressurizing the crankcase.
> I don't let
>that stuff get back into the intake but rather, I
>vent it via a hose, down below the car. Oily
>blow-by gasses reduce the effective octane of the
>charge promoting preignition.
>
>rick
--
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