[Spridgets] To vent or not to vent

[Glen Byrns]

If you don't want oil out the rear seal, think "suction" rather than just 
venting.  Collecting the restricted vents to a PCV to the intake manifold 
will dry it up best.

Glen

> I've been advised about crankcase venting on my 1970 vintage 1275
> (12/DA/H29827) . I believe this year was before the air pump emissions 
> junk
> cluttered everything up. My plan is to run a vented oil cap (Oil cap has a 
> 1/4
> inch hole on the inside and air passes freely so I think this is an oem 
> vented
> cap?. I will connect the carb "Y" pipe to the Timing cover canister vent 
> on
> the front of the engine. Is this sufficient crankcase ventilation? My 
> biggest
> concern is crankcase pressure pushing oil through the rear main seal.This 
> is a
> freshly rebuilt engine. I've toyed with the idea of drilling out a non 
> vented
> oil fill cap and installing a rubber grommet and pcv valve for increased
> venting. Are my concerns unfounded? Thanks.
>
>
> 1960 Bugeye