Early Intake manifolds 8v only

open hood, look up see USA Vacuum map 1990

Shows them all, every fitting 89to 95 for 8v TBI

these can leak too. if rusted through. the hose nipple on the left is for the small bypass hose thar runs to the water pump rear manifold front.

notice the leaking A/T fitting here, (idles too fast due to this) that is one huge air leak,,,,,

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