will the Z28 wing bolt right into the existing holes where the RS spoiler was,or are there more holes that need to be drilled and/or filled in when doing the conversion.thanks for any feedback!

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-1991 camaro rs,dark red metallic,t-tops,stock 15inch rims,Z28 bowtie grille insert with driving lights
-L03 305,TH700R4,2.73's,only mods for now are...Flowmaster 80 series replacement muffler,accel wires and coil,14x3 open element with K&N,lockup switch at the track,and a catco cat.
-best 1/4 mile times to date:15.89@86 with a 2.26 60 ft

 

the old wing will have to be removed, and all the existing holes filled, then u have to drill new holes for the z28 wing, as far as i know nothing will line up..

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87 IROC-z 305 TPI
Borg Warner T-5 fresh rebuild
10-bolt 3.73 Richmond gears rebuilt GM posi,
formerly BW 9-bolt w/3.45 gears(broke it)
Ported Plenum and Runners Homemade AFPR
ACCEL 8.8 wires, High output coil,and cap & rotor
Bosch platinum + 4 plugs
Ram Air w/ K&N filters,
MAF sensor screens removed, TB coolant bypass
Polyurethane tranny and torque arm mounts
Dynomax catback w/custom tips
K&N oil filter,Mobil 1 synth,Factory Oil Cooler, Futura GLS Super Sport tires 265/50/15 rear and 235/60/15 front mounted on 86 monte carlo SS rims ,

400 sbc and a 6 spd in the works

 

Dang thats too bad cuz that what i want to do eventually but hey i guess its for the best plus you wouldnt even see the holes.

 

I would just buy a complete Z-28 hatch with the wing attached from KMK's in Dallas (they'll ship parts) that way you will only have to fill the two holes on both sides of the rear quater panels.