I need to find a plug to fit the hole on the front of the intake. What size is it? Also what is the hole for on the left side of the oil pan. There is a plastic cap there. This is on a 604. Thanks
plug for intake
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the hole in the front of the intake is 3/8NPT---we like to use a brass pipe plug
the hole you are refering to in the pan is a port for your oil temperature probe it is 1/2 npt if need the size
Brad
Race-1 offers competitive pricing on Chevrolet Performance 602, 604 & 525 sealed circle track racing engines. Race-1 specializes in the GM CTC engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Your source for Stealth Racing Carburetors! Learn from Brad's expertise in teaching, too!
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