Thread: Kind of a Drag

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My post about holes in the cap are for visual confirmation of the phasing of the rotor lug to the terminals in the distributor cap.

Originally Posted by jerry clayton

we want compression of 1 and 3 plus the other side also while your at it---

the intake leak I'm talking about is the under side in the valley-exposed to oil which can be easily pulled into clylinders

And will never be found by spraying a combustible product onto the outside of the motor.

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Internal (underside) intake manifold vacuum leaks can usually be verified by sealing the valve cover breather port (tape) on one valve cover and feeling for vacuum at the other valve cover port (usually where the PCV is located), lightly place finger over the open hole while the motor is idling. Any pull or vacuum felt is usually from the leak on the underside of the manifold.

Originally Posted by Good Wrench

Hiya,


Is 20-50 oil still too thick?

Unless you're in the frozen north 20-50 is never too thick i.m.h.o.