Indiana Open Wheel - Venting a sprint car engine

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Peyton

1/20/19 2:23 PM

Venting a sprint car engine

If I run a vent hose from valley tray to oil tank do I need to run valve covers with crossover tubes?

Tony74

1/20/19 4:29 PM

Wouldn't have too, but either the oil tank or engine needs to be vented to atmosphere.Alot of moisture and alky will be evaporating off the oil at temperature.

Rhody

1/21/19 12:26 PM

Re: Venting a sprint car engine

Out of three engines I have, the only one with a hose between the tank and valley is the one with the crossover breathers. The other 2 have a gooseneck vent and an internally vented oil tank.

ACP	1/21/19 3:29 PM

Re: Venting a sprint car engine

Peyton, is your oil tank internally vented?

Midget98

1/21/19 4:48 PM

Some horsepower gains have been seen in higher vacuum pressures from next generation oil pumps and only the dry sump tank is vented as the engine itself is running in a vacuum pressure condition.

Radicle

1/22/19 1:05 AM

I use a breather with a pop off valve. Peterson Fluid Systtems sells these # 08-1440 (-12 AN ) Closed system that breaths when needed.

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