there are two one between the #1 and #3 cyls on the head the other between the #6 and #8 cyls on the head the one between #6 and #8 is usually used for an idiot light or blocked off-joe
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1992 Jeep Cherokee 4.0 AUTO
1972 C10 350/350
1971 C1500 350/350
1970 C20 396/400
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