well on a speed desity car thier is a vacuum hose going to the map sensor witch is the black box to the immediate left of the vacuum tree..on mass air cars thier is no hose going to it..some people have luck plugging off thier old map sensors but me and most people just get a sensor out of a 89+..hope this clears it up
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1987 black notch(ex 4 banger)
DSS 306 w/ main support...Elderbrock 6028 heads..gt-40 intake..24# injectors...70 mm tb..77 pro-m...accel 300+..mac full legnth..tremec w/ pro5oh...full MAC exhaust,off road h-pipe,long tubes, catback...ron davis radiator..subframes, control arms...CFDF II..o yea holley FPR sucks..dont buy one..
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