Anyone know where these plugs go?

ttwinsupra

Not-quite-so-new-guy
Oct 28, 2024
15
12
3
36
Sorry for the noob question but i had to take apart half this engine bay and now that im putting everything back together i have 2 plugs i cant seem to find where they go or if they even go to anything i did take pics before disassembly but not of these apparently... anyone know what these are? they are on passenger side near wheel well halfway up.
Car is a 87 el camino with all the california emissions intact, was a 305v8 but was replaced at the Chevrolet dealership in the early 1990s with a factory 350
 

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Last edited:
The oval black plug in pictures 3 and 4 are for the knock sensor. Its located low on the passenger side of the block under the exhaust manifold.
 
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