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The EGR spacer plate you have there uses the vacuum to pull open the EGR valve, which allows exhaust gasses to flow from that 'carboned' side to the other one that feeds both carburetor bores under certain engine operation conditions. Note that those exhaust gasses are hot, so a special high-temperature gasket is used on the manifold side. A thick-ish (~1/4" thick) 'regular' gasket is used on the carburetor side.
The EGR spacer plate you have there uses the vacuum to pull open the EGR valve, which allows exhaust gasses to flow from that 'carboned' side to the other one that feeds both carburetor bores under certain engine operation conditions. Note that those exhaust gasses are hot, so a special high-temperature gasket is used on the manifold side. A thick-ish (~1/4" thick) 'regular' gasket is used on the carburetor side.
so I decided to replace gaskets cuz when running it’s “bubbling” at the seems and couldn’t tell what the fluid was.
Originally Posted by cougrrcj
The EGR spacer plate you have there uses the vacuum to pull open the EGR valve, which allows exhaust gasses to flow from that 'carboned' side to the other one that feeds both carburetor bores under certain engine operation conditions. Note that those exhaust gasses are hot, so a special high-temperature gasket is used on the manifold side. A thick-ish (~1/4" thick) 'regular' gasket is used on the carburetor side.
so I decided to replace gaskets cuz when running it’s “bubbling” at the seems and couldn’t tell what the fluid was.
Were the bubbles more prevalent when the engine was still cold? I’m wondering if that was moisture in the exhaust. Sometimes you’ll see a car pull away from a stop and water dribbles out of the tailpipe.
yes it was. Never thought the 2 could coincide with one another
Originally Posted by kr98664
Were the bubbles more prevalent when the engine was still cold? I’m wondering if that was moisture in the exhaust. Sometimes you’ll see a car pull away from a stop and water dribbles out of the tailpipe.
Keep the part your hand is holding, the actual spacer. See the two bolts holding the gold thing at the top? Take those two bolts loose, take the gold thing off (the EGR valve itself) and make a metal plate to block the holes where the EGR bolted on, you can use the original EGR bolts to hold your block-off plate.
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