Hi Jim,
The tank vent will probably be enough unless you hole a
piston......then......??????
We run rocker cover vents.....open to the atmosphere. Might be on the safe
side and use both?
Skip H
At 12:17 PM 1/15/01 , you wrote:
>Hi all, another poll,
> On the modified (blown/fuel), because of past experience with torching
>pistons, we run two number 12 lines direct to atmosphere from the valve
>covers. I know this isn't the most environmentally friendly thing to do but
>we have ballooned oil pans and catch tanks before and they are expensive to
>replace.
> On unblown gas dry sump engine, will a two scavenge stage pump pull
>enough vacuum to allow venting the tank only? If additional vents are
>required is the rocker can or the tappet chamber a better place to vent?
>Jim in Palmdale where it has actually rained an inch this month
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