How much power does my coupe have?

[LX XLR8R]

need to drop the 2 1/2" h-pipe and WTF is stock headers doing on it..are you sure it is even a 351?is that the need for the custom h-pipe???i dont get it..they are using what year 5.0 heads..is this motor a roller or not..the only roller 351 came after '94???he could of retofitted an older block but..something doesnt sound right..why would someone do all the hasle to drop in a 351 and leave all that stock crap and put a cobra intake on it..and i never heard of a 5.7 capri???

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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..